Question1: What is the purpose of a trunk link?
Question2: You have been asked to define a default gateway for traffic leaving a router. This route should use interface so-0/0/0 as its next-hop. Which type of route would be suited for this scenario?
Question3: What are two valid IPv6 addresses? (Choose two.)
Question4: You are asked to configure a GRE tunnel between two remote sites to support the exchange of IPv6 traffic.
The two sites are separated by an IPv4 network.
Which two configuration elements are required? (Choose two.)
Question5: Which two statements are correct regarding BGP-signaled Layer 2 VPNs? (Choose two.)
Question6: Which three statements are true about tunneling IPv6 traffic over IPv4 networks? (Choose three.)
Question7: Which operational mode command would you use to verify the presence of VPN routes on a PE device?
Question8: You have configured an IP-IP tunnel between Router A and Router B
Which Junos operational mode command is used to verify that the tunnel interface is up and operational?
Question9: Which configuration correctly enables an IRB interface on an MX Series device?
Question10: Which OSPF state indicates that the router has finished transmitting its database but is still receiving database information?
Question11: Which two statements about GRE tunnels are true? (Choose two.)
Question12: In a Junos device functioning as an MPLS transit router, which routing table is used when performing a forwarding lookup for an incoming packet?
Question13: You are adding IPv6 to an existing IPv4 network running OSPF. Your plan is to use OSPFv3 to route both IPv4 and IPv6 prefixes.
Which configuration will enable OSPFv3 to advertise prefixes for both IPv4 and IPv6?
Question14: For two switches to participate in the same Multiple Spanning Tree Protocol (MSTP) region, which three values must match? (Choose three.)
Question15: 
Referring to the network illustrated in the exhibit, how does R1 reach destinations in Area 49.2222?
Question16: Which protocol do multichassis link aggregation group (MC-LAG) devices use to exchange the control information between two MC-LAG network devices?
Question17: By default, how often does a designated intermediate system (DIS) send IS-IS hello messages on a LAN?
Question18: A customer configures a bridge domain using a VLAN ID of 222.
Which configuration will allow for the switch to potentially look at the IP header of incoming frames tagged with a VLAN ID of 222?
Question19: A IS-IS TLV includes which two attributes? (Choose two.)
Question20: Click the Exhibit button
An interface is configured as shown in the exhibit.
What must also be configured for this interface to participate in VLAN 100 and 200?
Question21: You are troubleshooting the status of an RSVP LSP and the output of the "show mpls interface" command is blank.
Which statements describes the reason for the blank output?
Question22: An Ethernet bridge is configured such that all interfaces are in a single broadcast domain. Which two tasks does the bridge perform in response to receiving a frame with an unknown unicast destination MAC address? (Choose two.)
Question23: Which fields are added to an Ethernet frame when using Q-in-Q?
Question24: Which configuration parameter allows a Junos device to include an interface route into OSPF while prohibiting adjacencies from forming?
Question25: Which two statements are correct regarding LDP-signaled Layer 2 circuits? (Choose two.)
Question26: Which three statements are true regarding the show system switchover operational mode command?
(Choose three.)
Question27: What is the maximum number of MSTIs supported in an MST region?
Question28: -- Exhibit --
interfaces {
ge-1/0/3 {
unit 0 {
family inet {
address 192.168.1.1/30;
}
}
}
ge-1/1/0 {
unit 0 {
family inet {
address 10.100.10.1/30;
}
}
}
fxp0 {
unit 0 {
family inet {
address 10.2.1.13/28;
}
}
}
lo0 {
unit 0 {
family inet {
address 10.100.1.1/32;
address 127.0.0.1/32;
}
}
}
}
protocols {
ospf {
area 0.0.0.0 {
interface ge-1/0/3.0;
interface ge-1/1/0.0;
}
}
}
-- Exhibit --
Click the Exhibit button.
The router was just powered on.
Referring to the exhibit, what is the OSPF RID?
Question29: How can you control the selection of the designated intermediate system (DIS) on a specific link in an IS-IS network?
Question30: -- Exhibit --
user@r1> show interfaces terse ge-1/0/0
Interface Admin Link Proto Local Remote
ge-1/0/0 up up
ge-1/0/0.0 up up inet6 fe80::226:88ff:fe02:7481/64
fec0:0:0:2003::1/64
-- Exhibit --
Click the Exhibit button.
You run the command show interfaces terse ge-1/0/0 and see the output shown in the exhibit.
Why are two addresses being shown for this interface?
Question31: Which two statements are true about MPLS VPNs? (Choose two.)
Question32: You want to configure support for an IPv6 environment In which hierarchy would you configure an OSPF area?
Question33: Which statement is true when a VRRP master owns the VIP address?
Question34: Using industry best practices, what is true regarding an external BGP session?
Question35: R3 is an OSPF router connect to both Area 0 and Area 1. Area 1 has been configured as a stub area.
Which two LSA types does R3 suppress from Area 1? (Choose two.)
Question36: In your network, you have two LDP routers connected across four physical interfaces. You have also enabled LDP to operate on all four of those interfaces.
What is the resulting outcome of your configuration between those two routers?
Question37: You have multiple Layer 3 VPNs supporting your various customers. Some of the customers use overlapping IP address space.
What is used to ensure each customer's prefixes are unique?
Question38: Click the Exhibit button.
Referring to the exhibit, which two statements are correct? (Choose two.)
Question39: You want to ensure that your RSVP LSPs are following a particular path across the network.
Which RSVP object ensures that your desire will be met?
Question40: An RSVP enabled router receives an RSVP reservation message for a new RSVP path. The router is unable to accommodate the reservation request.
Which action does the router take?
Question41: Click the Exhibit button
policy-options {
policy-statement load-balance {
then {
load-balance per-packet;
}
}
}
When the configuration shown in the exhibit is applied, which routes in the forwarding table will begin load- balancing packet flows?
Question42: Click the Exhibit button.
Referring to the exhibit, all interswitch links are configured as trunks supporting all VLANs. Host A sends a frame with an unknown destination MAC address to S2.
Which switches will receive this frame?
Question43: Click the Exhibit button.
In the exhibit, which configuration is required to establish a single adjacency between the two IS- IS routers?
Question44: -- Exhibit -
-- Exhibit --
Click the Exhibit button.
Referring to the exhibit, you have an established RSVP LSP between R1 and R5 when you experience a link failure between R2 and R4.
Which two statements are correct? (Choose two.)
Question45: Click the Exhibit button
You have two routers connected over a Gigabit Ethernet link as shown in the exhibit It is required that an IS-IS adjacency be established without the need for a designated intermediate system (DIS) Which configuration statement entered on both routers will achieve this goal?
Question46: -- Exhibit --
user@R2> show
protocols {
isis {
export leak;
interface ge-1/1/0.0;
interface ge-1/1/1.0 {
level 1 disable;
}
interface lo0.0;
}
}
policy-options {
policy-statement leak {
term 1 {
from level 1;
to level 2;
then accept;
}
}
}
-- Exhibit --
Click the Exhibit button.
R1 and R2 have a Level 1 IS-IS adjacency. R2 participates in both Level 1 and Level 2, and is receiving routes from a Level 2 neighbor. A policy on R2 has been created to leak routes to Level 1, but R1 is not receiving the routes.
Referring to the exhibit, what is the solution on R2?
Question47: Which new field is added to the IPv6 header when compared to IPv4?
Question48: Which two OSPF areas allow external routes? (Choose two.)
Question49: What are two characteristics of an interface that has been placed in the blocking state by STP? (Choose two.)
Question50: Click the Exhibit button.
In the exhibit, three IPv6 addresses are listed. Which two statements are true? (Choose two.)
Question51: What are two benefits of using MVRP? (Choose two.)
Question52: You have been asked to configure an IPv6 address for a group of interfaces that could belong on different routers. If a packet is sent to that address, it should be received by all routers in the group.
Which address type would be suited for these requirements?
Question53: You have been asked to deploy a Layer 2 VPN for a new customer. What information will be present in the PE's associated VPN forwarding table? (Choose three.)
Question54: Click the Exhibit button.
Which two topologies shown in the exhibit could be implemented without a spanning-tree protocol?
(Choose two.)
Question55: What are two ways to assign an IPv6 to an interface? (Choose two.)
Question56: Under which Junos configuration hierarchy is a load-balancing policy applied?
Question57: Which role does the router ID (RID) have in the BGP route selection process?
Question58: Your RSVP network is being designed to support end-to-end class of service (CoS) using best practices.
Which MPLS label should be advertised by the egress router in this situation?
Question59: Router B is an OSPF router connected to both Area 0 and Area 2. Area 2 has been configured as a totally stubby area. Which three LSA types does Router B suppress from Area 2? (Choose four.)
Question60: Which statement is true regarding IS-IS?
Question61: Which IS-IS packet is used to carry routing updates?
Question62: What are two port modes for a Layer 2 interface? (Choose two.)
Question63: Click the Exhibit button.
In the exhibit, R1 is sending the 172.16.100.0/24 route to R2 through EBGP. R2 has IBGP sessions to R3 and R4, but they are not installing the route. All BGP sessions are established.
Which two actions would enable R3 and R4 to install the route from R2? (Choose 2.)
Question64: -- Exhibit -
-- Exhibit --
Click the Exhibit button.
In the exhibit, A1 sends a broadcast frame with destination MAC address FFFF.FFFF.FFFF, and all other stations have sent a response .
What would be the correct MAC address table on the MX240?
ge-0/0/0 0140.5501.1111
Question65: Which two statements are true about IP-IP tunnels on Junos devices? (Choose two.)
Question66: Which IS-IS PDU is used to request a retransmission of a missing link-state packet?
Question67: By default, which three criteria are used by the Junos load-balancing algorithm to determine a traffic flow?
(Choose three.)
Question68: You are asked to establish an MPLS LSP between two sites. You are required to ensure the LSP traverses specific routers within your network. Which solution is correct?
Question69: -- Exhibit --
user@router> show route 0/0 exact detail
inet.0: 14 destinations, 14 routes (14 active, 0 holddown, 0 hidden)
0.0.0.0/0 (1 entry, 1 announced)
*Aggregate PreferencE. 130
Next hop typE. Router, Next hop index:
Next-hop reference count: 4
Next hop: 172.30.25.1 via ge-0/0/1.100, selected
StatE.
Local AS: 65400
AgE. 1:03:46
Task: Aggregate
Announcement bits (2): 0-KRT 2-OSPF
AS path: I
Flags: Generate Depth: 0 Active
Contributing Routes (1):
10.0.0.0/16 proto BGP
-- Exhibit --
Click the Exhibit button.
You are advertising the route in the exhibit to your OSPF neighbors.
What happens if the 10.0.0.0/16 route is unavailable?
Question70: You want to verify the frequency and type of SPF calculations on your Junos device.
Which command displays this information?
Question71: You have configured MPLS and RSVP in your network using all of the Junos defaults. You have established an LSP in your network, which is reporting a status of "Up", but no traffic is using it. Which two statements reflect potential causes for this issue? (Choose two)
Question72: What are two ways that nonstop routing works? (Choose two.)
Question73: Which three statements are true regarding the show system switchover operational mode command?
(Choose three.)
Question74: You are configuring OSPF on a Junos device; however, you have not configured a router ID.
What is the default behavior in this situation?
Question75: Which IS-IS packet is used to determine the level of an IS-IS neighbor?
Question76: Once the initial route exchange has been completed, how frequently does BGP automatically sent route updates?
Question77: What are two types of BPDUs in the Spanning Tree Protocol? (Choose two.)
Question78: -- Exhibit --
[edit protocols bgp]
user@router# show
group internal {
neighbor 10.0.16.2;
}
The exhibit shows a partial configuration fo an internal BGP session.
Which two statements must be added to complete the configuration? (Choose two.)
Question79: What are two valid protocols used to signal VPLS in a network? (Choose two.)
Question80: Click the Exhibit button
In the exhibit, how many full OSPF adjacencies will R3 have?
Question81: -- Exhibit --
user@R1> show
interfaces {
ge-1/1/0 {
unit 0 {
family inet {
address 10.100.1.1/30;
}
family iso;
}
}
lo0 {
unit 0 {
family inet {
address 10.100.10.1/32;
}
family iso {
address 49.1001.0010.0100.00;
}
}
}
}
protocols {
isis {
interface ge-1/1/0.0 {
level 2 disable;
}
interface lo0.0;
}
}
user@R2> show
interfaces {
ge-1/1/0 {
unit 0 {
family inet {
address 10.100.1.2/30;
}
}
}
lo0 {
unit 0 {
family inet {
address 10.100.10.2/32;
}
family iso {
address 49.1001.0010.0200.00;
}
}
}
}
protocols {
isis {
interface ge-1/1/0.0;
interface lo0.0;
}
}
-- Exhibit --
Click the Exhibit button.
Referring to the exhibit, R1 and R2 are directly connected using interface ge-1/1/0.
What happens as a result of the configurations?
Question82: What are three circumstances under which a router sends link-state PDUs (LSPs)?
(Choose three)
Question83: Which BGP state denotes a fully operational session?
Question84: On an MX Series device, which parameter is used to configure the timeout interval fo entries in the MAC table?
Question85: Which statement is true about VSTP?
Question86: Which command verifies that graceful Routing Engine Switchover (GRES) is operational?
Question87: An established RSVP-signaled LSP suffers a link failure.
What is one action taken by the local RSVP-enabled router?
Question88: Which statement correctly describes the difference between a generated and an aggregate route?
Question89: Which three reasons would account for this issue? (Choose three.)
Question90: What is the size of the unique address used to identify each node on an Ethernet LAN?
Question91: Which protocol is used by wired Ethernet to manage frame collisions?
Question92: Your area boarder router (ABR) receives type 1, 2, and 5 link-state advertisements (LSAs) from a nonbackbone area. What would the ABR do with the information learned from the nonbackbone area?
Question93: Which two statements about BGP are accurate? (Choose two.)
Question94: You have configured multiple IP-IP tunnels across your network to provide connectivity to remote sites.
Which technique is used to help the IP endpoints in your network determine the optimal packet size to send across your tunnels?
Question95: Which two statements correctly describe IS-IS adjacencies? (Choose two.)
Question96: The gr-0/0/0.0 interface on your Junos device has a link state of up/up and you have correctly added static routes to reach the remote subnets. However, you are not seeing traffic pass over the tunnel. What might be causing the issue?
Question97: You have been asked to identify the contributing prefixes for aggregate route 181.77.5/24. Which command will display this information?
Question98: Click the Exhibit button
In the exhibit, OSPF routers R1, R2, R3, and R4 come up, in order, at 1-minute intervals Which router will be the designated router?.
Question99: Which three functions are performed by an OSPF area border router (ABR)? (Choose three)
Question100: -- Exhibit --
user@R1> show
interfaces {
ge-1/1/0 {
unit 0 {
family inet {
address 10.100.1.1/30;
}
family iso;
}
}
lo0 {
unit 0 {
family inet {
address 10.100.10.1/32;
}
family iso {
address 49.1001.0010.0100.00;
}
}
}
}
protocols {
isis {
level 1 disable;
interface ge-1/1/0.0 {
level 2 disable;
}
interface lo0.0;
}
}
user@R2> show
interfaces {
ge-1/1/0 {
unit 0 {
family inet {
address 10.100.1.2/30;
}
family iso {
mtu 1496;
}
}
}
lo0 {
unit 0 {
family inet {
address 10.100.10.2/32;
}
family iso {
address 49.1002.0010.0200.00;
}
}
}
}
protocols {
isis {
interface ge-1/1/0.0 {
level 2 disable;
}
interface lo0.0;
}
}
-- Exhibit --
Click the Exhibit button.
Referring to the exhibit, R1 and R2 are directly connected using interface ge-1/1/0.
What is the reason the IS-IS adjacency fails?
Question101: Which two statements are true about virtual switches? (Choose two.)
Question102: Click the Exhibit button.
Based on the designated values show in the exhibit, which three statements are true? (Choose three.)
Question103: What is contained in an IS-IS CSNP message?
Question104: What are two benefits of using an OSPF designated router (DR)? (Choose two.)
Question105: Which two events could cause the BGP Active state to appear? (Choose two.)
Question106: -- Exhibit --
user@R1> show route protocol bgp
inet.0: 6 destinations, 6 routes (6 active, 0 holddown, 0 hidden)
+ = Active Route, - = Last Active, * = Both
200.200.0.0/24 *[BGP/170] 00:00:47, localpref 100
AS path: 65001 I
> to 192.168.100.1 via ge-1/1/5.435
200.200.1.0/24 *[BGP/170] 00:00:47, localpref 100
AS path: 65001 I
> to 192.168.100.1 via ge-1/1/5.435
200.200.2.0/24 *[BGP/170] 00:00:47, localpref 100
AS path: 65001 I
> to 192.168.100.1 via ge-1/1/5.435
200.200.3.0/24 *[BGP/170] 00:00:47, localpref 100
AS path: 65001 I
> to 192.168.100.1 via ge-1/1/5.435
user@R2> show route 200.200/16
inet.0: 36 destinations, 36 routes (36 active, 0 holddown, 0 hidden)
Restart Complete
+ = Active Route, - = Last Active, * = Both
200.200.0.0/24 *[Static/5] 00:09:12
Reject
200.200.1.0/24 *[Static/5] 00:09:12
Reject
200.200.2.0/24 *[Static/5] 00:09:12
Reject
200.200.3.0/24 *[Static/5] 00:09:12
Reject
200.200.4.0/24 *[Static/5] 00:09:12
Reject
user@R2> show configuration protocols bgp
export export-200;
group c5 {
neighbor 192.168.100.2 {
export export-200.200;
peer-as 65002;
}
}
user@R2> show configuration policy-options policy-statement export-200.200 term 1 { from {
route-filter 200.200.0.0/22 longer;
}
then accept;
}
user@R2> show configuration policy-options policy-statement export-200
term 1 {
from {
route-filter 200.200.0.0/21 longer;
}
then accept;
}
-- Exhibit --
Click the Exhibit button.
R2 is exporting static routes to R1 using BGP. R1 is not receiving one of the five static routes that is configured on R2.
Referring to the exhibit, what should be changed under the BGP configuration to resolve this issue?
Question107: Which two statements are true about the BGP MED attribute? (Choose two.)
Question108: Your customer would like to forward traffic using DLCI 600 and maintain Layer 2 information across a VPN.
Which solution will meet these requirements?
Question109: -- Exhibit --
[edit]
user@router# run show isis interface
IS-IS interface database:
Interface L CirID Level 1 DR Level 2 DR L1/L2 Metric
ge-1/0/2.0 3 0x1 router.00 router.00 10/10
lo0.0 0 0x1 Passive Passive 0/0
-- Exhibit --
Click the Exhibit button.
Referring to the exhibit, which two statements are true regarding the GE interface? (Choose two.)
Question110: Which high availability feature allows uninterrupted packet forwarding and temporary suppression of all routing protocol updates?
Question111: Which two routing-instance types are used for non-VPN-related applications? (Choose two.)
Question112: Where would you configure MVRP in a multiswitch environment?
Question113: Which statement is correct about the inet.3 routing table?
Question114: -- Exhibit --
{master}[edit]
user@router-RE0# run show task replication
Stateful Replication: Enabled
RE modE. Master
Protocol Synchronization Status
OSPF Complete
RIP Complete
BGP Complete
MPLS Complete
LDP Complete
{master}[edit]
user@router-RE0# run show bgp summary | match 192.168.1.1
192.168.1.1 65056 288 327 1:05 Establ 0 2
{backup}[edit]
user@router-RE1# run show system switchover
Graceful switchover: On
Configuration databasE. Ready
Kernel databasE. Ready
Peer statE. Steady State
{backup}[edit]
user@router-RE1# run show bgp summary | find 192.168.1.1
192.168.1.1 65056 592 737 3778 1:33 Establ 2
{backup}[edit]
user@router-RE1# run show bgp replication
Synchronization master:
Session statE. Up, SincE. 6d 20:42:51
Flaps: 1, Last flap reason: Commit-sync error
Protocol statE. Idle, SincE. 5d 19:41:52
Synchronization statE. Complete
Number of peers waitinG. AckWait: 0, SoWait: 0, ScheduleD. 0
rsync walk at: inet.0 - , queued 0
Messages sent: Open 1, Establish 7415, Update 17, Error , Complete 48
Messages receiveD. Open 1, Request 1 wildcard 47 targeted, EstablishAck 2827, CompleteAck 4
-- Exhibit --
Click the Exhibit button.
Referring to the exhibit, which statement is correct?
Question115: In an RSVP-based MPLS network, which ERO type specifies the exact order of routers through which an LSP must travel, without consulting the IGP?
Question116: What are two differences between RSTP and VSTP? (Choose two.)
Question117: You have been asked to provision a service provider's network to accommodate Layer 3 VPNs as defined in RFC 4364. Which three tasks must be performed before the provider network is ready to carry VPN traffic? (Choose three.)
Question118: Which two statements describe differences between IPv4 and IPv6? (Choose two)
Question119: Your OSPF network design uses stub areas extensively due to 5000 external routes within the backbone and resource constraints in the nonbackbone areas. You now have a device in Area 2 that must perform as an ASBR. Which OSPF area types should you use for Area 2?
Question120: Click the Exhibit button
Given the network topology shown in the exhibit, you are configuring a GRE tunnel from Router A to Router C Which interface configuration on Router A will successfully allow the tunnel to pass IPv4 traffic to Router C?
Question121: What are two valid actions that can be applied to a frame by a Layer 2 firewall filter?
(Choose two)
Question122: Click the exhibit button.
In the exhibit, which configuration is correct when setting up LDP for R1?
Question123: Which role does the router ID (RID) have in the BGP route selection process?
Question124: Which three BGP attributes are used for loop prevention? (Choose three.)
Question125: In which environment would you run BGP?
Question126: Which Operational mode command displays the root bridge ID for a Junos device?
Question127: -- Exhibit --
user@router> show bgp summary
Groups: 2 Peers: 2 Down peers: 2
Table Tot Paths Act Paths Suppressed History Damp State Pending
inet.0
0 0 0 0 0 0
Peer AS InPkt OutPkt OutQ Flaps Last Up/Dwn State...
5.1.1.1 100 1 0 0 14:06 OpenConfirm
10.1.1.1 200 0 1 14:06 Active
-- Exhibit --
Click the Exhibit button.
Two newly configured BGP peers have remained in the states shown in the exhibit for several hours.
Which two statements are true? (Choose two.)
Question128: In an IS-IS network, Router A is the current DIS with a priority of 64. Router B comes online with a priority of 100.
In this scenario, which statement is correct?
Question129: Your customer requests that you provide a transparent Layer 2 service between two of their remote locations. This service must allow the customer to pass tagged traffic from multiple VLANs. You decide to use Q-in-Q tunneling on the two provider edge MX Series routers that connect to the customer's CE devices.
Which two statements are true? (Choose two.)
Question130: Click the Exhibit button.
Which two statements are correct according to the output shown in the exhibit? (Choose two.)
Question131: What are two functions of an OSPF BDR? (Choose two.)
Question132: Which label operation is performed by an MPLS transit router?
Question133: Which statement is true regarding BGP?
Question134: Which three BGP attributes must be sent to EBGP peers? (Choose three.)
Question135: Which two values are used by an RSTP bridge to remove stale BPDU information? (Choose two.)
Question136: Your OSPF network is currently operating with a single backbone area and you are concerned with the scalability of your design.
Which network design is a best practice for providing the scalability you desire?
Question137: What are three IS-IS PDU types? (Choose three.)
Question138: In your network, you have two LDP routers connected across four physical interfaces. You also have enabled LDP to separate on all four of those interfaces.
What is the resulting outcome of your configuration between those two devices?
Question139: What are two ways to prevent Layer 2 loops in a network? (Choose two)
Question140: Which label operation is performed by an MPLS ingress router?
Question141: You have recently configured MSTP on two switches in your network to participate in the same MSTP region. You issue the show spanning-tree mstp configuration command on both switches and notice that the configuration digests do not match. What does this mismatch indicate?
Question142: Which two statements regarding VRF tables are correct? (Choose two.)
Question143: You are asked to configure a new external BGP connection to a peer's loopback interface. You verify that the peer's loopback interface is reachable, but the BGP connection remains in Idle state.
Which BGP parameter is required to establish the BGP connection?
Question144: 
In the network shown in the exhibit, you want to configure a GRE tunnel on Router B that is destined for Router C.
Which route should be used on Router B to provide reachability to the tunnel destinations?
Question145: Which OSPF LSA type describes the router IDs of ASBR routers located in remote areas?
Question146: Which two problems occur when increasing numbers of users are added to an Ethernet LAN with no switches present? (Choose two.)
Question147: Click the Exhibit button.
Referring to the exhibit, what is required to establish an IS-IS adjacency between these two routers?
Question148: Click the Exhibit button.
In the exhibit, R1, R2, and R3 are all IBGP peers within AS 65505. R1 receives a BGP advertisement from an external BGP peer in AS 65555, and a BGP advertisement from R3. The default BGP advertisement behavior is in effect in this environment.
In this scenario, which two statements are true? (Choose two.)
Question149: -- Exhibit --
user@router> show isis database
IS-IS level 2 link-state database:
LSP ID Sequence Checksum Lifetime Attributes
Tokyo.00-00 0x6 0xb978 1154 L1 L2
host.00-00 0x4 0x140c 1154 L1 L2
Wash-DC.00-00 0x1d7 0x7f37 683 L1 L2
Beijing.00-00 0x1d3 0xe603 1024 L1 L2
Beijing.02-00 0x9 0xea81 1175 L1 L2
Amsterdam.00-00 0x1c8 0x8b1c 677 L1 L2
Cairo.00-00 0x1ca 0x1571 1103 L1 L2
Sydney.00-0 0x1dd 0x178a 779 L1 L2
8 LSPs
The exhibit displays the output of the command "show isis database" on a Junos device. Why are there two entries for the Beijing device?
Question150: Your Junos device receives two similar route advertisements from different BGP peers.
What would cause a route to be selected in this scenario?
Question151: Click the Exhibit button
Referring to the exhibit, which policy would be applied to the 75.217.12.10 neighbor?
Question152: 
In the exhibit, all devices are sending routes to Router B.
Which routes will be advertised from Router B to Router C?
Question153: Which Junos platform supports provider bridging?
Question154: You have built the core of your network using Spanning Tree Protocol. You must ensure that if one of the links between your core switches fails to receive BPDUs it does not mistakenly create a loop.
Which feature would you use to ensure BPDUs are always received from neighboring switches to indicate that the remote switch is still alive?
Question155: You are asked to deploy OSPF between two routers over a broadcast medium.
Which three fields in the OSPF hello packet must match? (Choose three.)
Question156: Which forwarding table designation is used to indicate that load balancing is working correctly?
Question157: -- Exhibit --
[edit policy-options]
user@router# show
policy-statement load-balance {
from {
route-filter 10.243.0.0/24 exact;
route-filter 10.224.1.0/24 exact;
}
then {
load-balance per-packet;
}
}
-- Exhibit --
Click the Exhibit button.
You have been asked to configure per-packet load balancing.
Referring to the exhibit, which configuration correctly applies the load-balancing policy?
Question158: Click the Exhibit button.
In the exhibit, which configuration is required to establish a single adjacency between the two IS-IS routers?
Question159: Which OSPF adjacency state is reached when a hello packet has been sent, but bidirectional communication has not been established?
Question160: Which three statements area true regarding BGP local preference? (Choose three.)
Question161: Which two Layer 2 protocols are supported on MX Series devices? (Choose two.)
Question162: Click the Exhibit button.
Referring to the exhibit, four IS-IS routers have been deployed on a multi-access Ethernet segment. Router C came online first.
After all routers are online, which two statements are true? (Choose two.)
Question163: An RSVP LSP in your network is operational but you are receiving complaints about network throughput across the LSP. You suspect that the RSVP bandwidth was omitted from the router configuration.
Which operational mode command will help you verify your suspicions?
Question164: You want to ensure that your RSVP LSPs are following a particular path across the network. Which RSVP object ensures that your desire will be met?
Question165: Your customer requests that you provide a transparent Layer 2 service between two of their remote locations. This service must allow the customer to pass tagged traffic from multiple VLANs. You decide to use Q-in-Q tunneling on the two provider edge MX Series routers that connect to the customer's CE devices.
Which two statements are true? (Choose two.)
Question166: You are asked to deploy a large-scale IS-IS network with multiple areas.
Which two statements are true? (Choose two.)
Question167: Which command enables STP on an MX Series device?
Question168: A network administrator has been asked to configure the most specific aggregate route to summarize the four specific prefixes shown below:
10. .5.0/24
10. .12.0/24
10. .17.0/24
10. .21.0/24
Which configuration completes this task?
Question169: You want to influence how traffic enters your network.
Using industry best practices, which two BGP attributes would you modify to accomplish this goal?
(Choose two)
Question170: 
Click the Exhibit button.
You work for the regional Internet service provider shown in the exhibit. You have a partial BGP table and are receiving a 10.100/16 route from your upstream ISP. You have been asked to configure a default route that can be sent to your downstream customer. This route should forward customer traffic toward your upstream Tier 1 ISP as long as the 10.100/16 route is present.
What would accomplish this goal?
Question171: You have been asked to configure and assign addresses for your IPv6 routers in your network using dynamic assignment of DNS servers. You do not want the MAC address included as part of the IPv6 address.
Which method of address assignment would accomplish these requirements?
Question172: Click the Exhibit button.
Referring to the exhibit, which static route will be exported into OSPF?
Question173: Which three IPv6 addresses are valid equivalents for the address
2001:0000:0000:0000:0134:fc0e:cc8b:458a? (Choose three?)
Question174: In the evaluation of an RSTP configuration BPDU, which two values are contained in the Bridge ID value?
(Choose two)
Question175: Your area border router (ABR) receives type 1.2 and 5 link-state advertisements (LSAs) from a non- backbone area.
What would the ABR do with the information learned from the non-backbone area?
Question176: Click the Exhibit button.
In the exhibit Router A and Router B are operating on the LAN with Router B acting as the designated intermediate system (DIS).
When Router C and Router D are added to the LAN. Which statement is true?
Question177: Click the Exhibit button.
Two bridge domains are configured as shown in the exhibit.
What must be configured as part of the ge-1/0/3 interface configuration to accept tagged frames of VLANs
100 and 200?
Question178: You have been asked to use a convention that allows for auto configuration of interface addresses. You are not allowed to use DHCPv6. What do you do?
Question179: You have recently implemented a graceful Routing-Engine switchover (GRES) and want to further reduce down time if a Routing Engine (RE) failure occurs.
Which two features can be configured on this device to reduce its downtime in this situation? (Choose two)
Question180: Which three statements are true of GRE tunnels? (Choose three.)
Question181: Which two statements reflect benefits of performing per-flow load balancing over per-packet load balancing? (Choose two.)
Question182: Click the Exhibit button.
Which statement is true regarding the output shown in the exhibit?
Question183: A route to the same destination is received from two different BGP sources.
Which criterion is considered first to determine the active BGP route?
Question184: Click the Exhibit button.
Which two statements are true regarding the output shown in the exhibit? (Choose two.)
Question185: Which routing table contains the route information for the user-defined routing instance called Candidate1?
Question186: Click the Exhibit button.
Which two statements are correct according to the output shown in the exhibit? (Choose two.)
Question187: By default, what is the maximum metric that can be advertised for any interface in IS-IS?
Question188: Click the Exhibit button.
The policy shown in the exhibit has been configured and installed on your router.
What is the result of applying this policy?
Question189: Which command would you use to verify the presence of VPN routes on a PE device?
Question190: What is the default value of the TTL in a VRRP advertisement?
Question191: Which statement is true of a Layer 2 circuit?
Question192: In an OSPF environment, which two configuration parameters are used to determine which router is the DR? (Choose two.)
Question193: Which two BGP attributes influence traffic coming into an AS? (Choose two.)
Question194: Click the Exhibit button.
10.10.14.0/24
10.10.15.0/24
10.10.16.0/24
10.10.17.0/24
Which aggregate route would represent all four routes shown in the exhibit?
Question195: You are logged into a router and have navigated to the [edit routing-options] level of the hierarchy. You have been asked to create a static route that will use 43.18.7.1 as its primary next-hop and 76.13.10.2 as its secondary next-hop.
Which command correctly configures this setup?
Question196: Click the Exhibit button.
Which two statements are correct according to the output shown in the exhibit? (Choose two.)
Question197: An IS-IS router on a broadcast medium has detected its LSDB is missing an LS PDU.
Which action will the router take?
Question198: Which two BGP attributes are mandatory? (Choose two.)
Question199: Which Junos operational mode command is used to verify that load balancing is working as expected?
Question200: Which two support tunneling for non-IP protocols on Junos devices? (Choose two.)
Question201: -- Exhibit --
user@router# run show route advertising-protocol bgp 192.168.12.1
user@router# run show route
inet.0: 11 destinations, 12 routes (11 active, 0 holddown, 0 hidden)
+ = Active Route, - = Last Active, * = Both
2.2.2.2/32 *[Direct/0] 3w6d 03:57:51
> via lo0.0
192.168.12.0/24 *[Direct/0] 01:07:34
> via xe-0/0/0.0
192.168.12.2/32 *[Local/0] 01:07:34
Local via xe-0/0/0.0
200.1.0.0/16 *[Aggregate/130] 00:00:58
Reject
[IS-IS/165] 00:10:57, metric 10
> to 200.1.1.2 via xe-0/0/3.0
200.1.1.0/24 *[Direct/0] 00:29:21
> via xe-0/0/3.0
200.1.1.1/32 *[Local/0] 00:29:21
Local via xe-0/0/3.0
iso.0: 1 destinations, 1 routes (1 active, 0 holddown, 0 hidden)
+ = Active Route, - = Last Active, * = Both
49.0000.0020.0200.2002/72
*[Direct/0] 3w4d 21:07:32
> via lo0.0
inet6.0: 3 destinations, 4 routes (3 active, 0 holddown, 0 hidden)
+ = Active Route, - = Last Active, * = Both
2:2:2::2/128 *[Direct/0] 3w4d 21:22:24
> via lo0.0
[edit]
user@router# show policy-options
policy-statement adv-route {
term t1 {
from {
protocol isis;
route-filter 200.1.0.0/16 exact;
}
then accept;
}
term t2 {
then reject;
}
}
[edit]
user@router# show protocols bgp
group ebgp {
type external;
export adv-route;
neighbor 192.168.12.1 {
peer-as 65000;
}
}
-- Exhibit --
Click the Exhibit button.
Referring to the exhibit, why is the 200.1.0.0/16 prefix failing to be advertised in BGP?
Question202: You are asked to deploy OSPF between two routers over a point-to point link.
Which three fields in the OSPF hello packet must match? (Choose three.)
Question203: You have configured MPLS and RSVP in your network using all of the Junos defaults. You established an LSP in your network which is reporting an up status but no traffic is using it.
Which two statements reflect potential causes for this issue? (Choose two)
Question204: Referring to the exhibit,
Which firewall filter action(s) will be applied to incoming frames to ge-1/0/3?
Question205:
In the exhibit, all devices are sending routes to Router B.
Which routes will be advertised from Router B to Router A?
Question206: Which two LSA types would an ABR generate and send into a totally stubby area? (Choose two.)
Question207: Click the Exhibit button.
Given the OSPF topology shown in the exhibit, how many unique link-state databases are present in the network?
Question208: You have been asked to provision a service provider's network to accommodate Layer 3 VPNs as defined in RPC 4364. Which three tasks must be performed before the provider core is ready to carry VPN traffic?
(Choose three.)
Question209: You notice that a route from internal BGP peer 192.168.1.1 is missing from the local route table. Which two commands would be used to help identify the source of the problem? (Choose two.)
Question210: Which VPN technology allows remote locations to appear as a single LAN segment?
Question211: You are logged into a router and have navigated to the [edit routing-options] level of the hierarchy. You have been asked to define an aggregate route for 172.30/16.
Which command correctly configures this setup?
Question212: You are attempting to influence return traffic into your autonomous system by preferring one router as an entry point.
Which two BGP attributes will affect this behavior? (Choose two.)
Question213: Click the Exhibit button.
Referring to the exhibit, which two statements are correct? (Choose two.)
Question214: As frames are processed by a switch, which statement is true about how the switch builds its MAC table?
Question215: By default, which load-balancing algorithm does the Junos OS use for BGP routes?
Question216: What does an STP BPDU Port ID field contain?
Question217: To prevent fragmentation issues across a GRE tunnel, which MTU value is recommended for the tunnel to accommodate most IP packets?
Question218: R0 is a Juniper Networks MX router with dual Routing Engines. You must load new software on R0 while ensuring no control plane disruption and minimal data loss.
Which three features meet the requirement? (Choose three.)
Question219: Which two statements are true regarding GRE tunnel overhead? (Choose two.)
Question220: By default, which BGP attribute is only compared when two route advertisements are received from the same neighboring AS?
Question221: You have a router with dual Routing Engines. You want to ensure that your users experience minimum downtime. You have decided to enable graceful Routing Engine switchover on the router.
Which output accomplishes this task?
Question222: You are logged into a PE router participating in a Layer 3 VPN as defined in RFC 4364. You would like to ping the remotely connected CE router's loopback address. The address of the loopback is 122.161.2.1, the VPN routing-instance is called VPN-C. Which command will accomplish this goal?
Question223: Two Junos devices are trying to form an OSPF adjacency. When you issue the "show ospf neighbor" command, you see that one device is in the Loading state and the other is in the Full state. Why is one device in the Loading state?
Question224: After configuring OSPF between two routers you check for an adjacency. You see that the adjacencies are not coming up on an Ethernet segment.
What are two reasons that would cause this situation? (Choose two)
Question225: Which high availability feature is enabled by default on Junos devices?
Question226: Which three statements are true about GRE and IP-IP tunnels? (Choose three.)
Question227: What are three functions of a provider edge bridge when implementing provider bridging? (Choose three.)
Question228: What are two destination addresses used for OSPF link-state update packets? (Choose two.)
Question229: Which action does the local router take after sending a Notification message to a remote peer?
Question230: Which packet type does the router use to request up-to-date link-state information?
Question231: How many bytes does IP-IP tunneling add to an IP packet?
Question232: Which three protocols can be encapsulated within a GRE tunnel on a Junos device? (Choose three.)
Question233: -- Exhibit --
[edit protocols bgp]
user@router# show
group external {
neighbor 10.0.21.2;
}
The exhibit shows a partial configuration for an external BGP session.
What must be added to complete the configuration?
Question234: In an RSTP network, which combination of port types can exist on the root bridge?
Question235: To which OSPF state does a device transaction once it receives an initial hello packet?
Question236: Your network consists of multiple remote locations using both IPv4 and IPv6. You have an IPv4-based Internet connection at each site provided by different, local service providers. You are asked to ensure that the remote IPv6 networks are able to communicate.
What should you do?
Question237: What are three components of the tag portion of an 802.1Q-tagged Ethernet frame? (Choose three.)
Question238: Which command is used to display the Layer 2 forwarding table on an MX Series device?
Question239: What is a requirement for link aggregation?
Question240: You have recently installed a second Routing Engine (RE) in your Junos device and implemented Graceful Routing Engine Switchover (GRES).
Which two statements correctly describe the expected behavior if the primary RE fails? (Choose two.)
Question241: How much overhead does the IP-IP tunnel header add to an IPv4 packet?
Question242: Click the Exhibit button.
Referring to the exhibit, MED is being used in your BGP network. All other BGP configurations use the default settings.
Which statement is correct regarding traffic destined to the 151.213.0.0/16 prefix in AS 358?
Question243: Which statement correctly describes unified in-service software upgrades (ISSU)?
Question244: You have recently installed a second Routing Engine (RE) in your router Which two statements correctly describe the expected behavior if the primary RE fails?
(Choose two.)
Question245: A rogue switch has been added to your network, exchanged BPDUs, and is now part of the spanning tree topology.
Which feature would help prevent this from happening in the future?
Question246: -- Exhibit --
user@router> show configuration interfaces ge-1/0/0
unit 0 {
family inet {
address 192.168.100.1/30;
}
}
user@router> show configuration routing-options
autonomous-system 65001;
user@router> show configuration protocols bgp
group 65002 {
traceoptions {
file bgp-trace;
flag open detail;
}
neighbor 192.168.100.3 {
peer-as 65002;
}
}
user@router> show log bgp-trace
Feb 5 20:31:01 R4 clear-log[5510]: logfile cleared
Feb 5 20:32:22.658155 bgp_connect_completE. error connecting to 192.168.100.3 (External AS 65002):
Socket is not connected
user@router> run monitor traffic interface ge-1/0/0 extensive
Address resolution is ON. Use to avoid any reverse lookup delay.
Address resolution timeout is 4s.
Listening on ge-1/0/0, capture size 1514 bytes
20:45:44.212833 Out
Juniper PCAP Flags [Ext], PCAP Extension(s) total length 22
Device Media Type Extension TLV #3, length 1, valuE. Ethernet (1)
Logical Interface Encapsulation Extension TLV #6, length 1, valuE. Ethernet (14) Device Interface Index Extension TLV #1, length 2, valuE. 35328 Logical Interface Index Extension TLV #4, length 4, valuE. 70
Logical Unit Number Extension TLV #5, length 4, valuE. 32767
-----original packet-----
80:71:1f:c7:f8:60 > 84:18:88:8e:3b:3f, ethertype 802.1Q (0x8100), length 82: vlan 435, p 6, ethertype IPv4, (tos 0xc0, ttl 255, id 19548, offset 0, flags [DF], proto: TCP (6), length: 64) 192.168.100.1.bgp >
192.168.100.2.49373: S 1088527795:1088527795(0) ack 214564428 win 16384
20:45:44.213226 In
Juniper PCAP Flags [Ext, no-L2, In], PCAP Extension(s) total length 22
Device Media Type Extension TLV #3, length 1, valuE. Ethernet (1)
Logical Interface Encapsulation Extension TLV #6, length 1, valuE. Ethernet (14) Device Interface Index Extension TLV #1, length 2, valuE. 35328 Logical Interface Index Extension TLV #4, length 4, valuE. 70
Logical Unit Number Extension TLV #5, length 4, valuE. 32767
-----original packet-----
PFE proto 2 (ipv4): (tos 0xc0, ttl 1, id 2367, offset 0, flags [none], proto: TCP (6), length: 52)
192.168.100.2.49373 > 192.168.100.1.bgp: . 1:1(0) ack 1 win 17376
-- Exhibit --
Click the Exhibit button.
You are asked to configure an EBGP peering to AS 65002. The EBGP peering is stuck in a Connect state.
Referring to the exhibit, what should be changed to the BGP configuration to bring up the peering?
Question247: Which configuration can be applied to ensure that no more than 600 MAC addresses are learned by a virtual switch?
Question248: You are asked to redistribute routes into OSPF.
Which action accomplishes this task?
Question249: An IS-IS TLV includes which two attributes? (Choose two.)
Question250: Click the Exhibit button
Which two topologies shown in the exhibit would require the use of a spanning-tree protocol? (Choose two)
Question251: Click the Exhibit button
Based on the configuration shown in the exhibit, which command would you use to display real-time hellos and errors for IS-IS?
Question252: Which statement is correct about OSPF Type 7 LSAs?
Question253: Which two IS-IS packet types are used to maintain IS-IS database synchronization? (Choose two.)
Question254: You have been asked to implement routing policy on the PE devices in your AS and to ensure the correct customer routes are installed in the appropriate VRF tables.
Which component should be used as a match condition within your policy?
Question255: Which two statements are correct about default MPLS behavior on Junos devices? (Choose two.)
Question256: You are logged into a router and have navigated to the (edit routing-options] level of the hierarchy. You have been asked to create a static route that will use 10.10.10.1 as its primary next-hop and 10.10.10.5 as its secondary next-hop.
Which command correctly configures this scenario?
Question257: Which IS-IS adjacencies? (Choose two.)
Question258: Which two statements are correct about a generated route? (Choose two.)
Question259: In your RSVP network you have configured three separate LSPs to the same egress address. You have made no other configuration changes to the forwarding decisions made by the router. Which commands can you use to determine which LSP is being used to forward packets?
Question260: An Ethernet bridge is configured such that all interfaces are in a single broadcast domain. Which two tasks does an Ethernet bridge perform in response to receiving a frame with an unknown unicast destination MAC address? (Choose two.)
Question261: Which two statements are true about STP and RSTP? (Choose two.)
Question262: -- Exhibit --
[edit]
user@router# show protocols bgp
group ibgp {
type internal;
local-address 3.3.3.3;
family inet;
neighbor 2.2.2.2;
}
[edit]
user@router# show routing-instances
VRF {
instance-type vrf;
interface xe-0/0/1.0;
route-distinguisher 3.3.3.3:100;
vrf-target target:100:100;
vrf-table-label;
}
[edit]
user@router# show protocols mpls
interface all;
[edit]
user@router# show protocols rsvp
interface all;
-- Exhibit --
Click the Exhibit button.
Referring to the exhibit, what is missing in the configuration to make the Layer 3 VPN functional? (Choose two.)
Question263: Router A receives two similar route advertisements from different BGP peers. What would cause a route to be selected in this scenario?
Question264: Which two RSVP messages are used to establish a new LSP? (Choose two.)
Question265: Click the Exhibit button
You work for the regional Internet service provider shown in the exhibit You have a partial BGP table and are receiving a 10 100/16 route from your upstream ISP You have been asked to configure a default route that can be sent to your downstream customer This route should forward customer traffic toward your upstream Tier 11SP as long as the 10.100/16 route is present.
What would accomplish this goal?
Question266: -- Exhibit --
user@router# show interfaces
xe-0/0/0 {
unit 0 {
family inet {
address 192.168.12.1/24;
}
family mpls;
}
}
xe-0/0/1 {
encapsulation ethernet-ccc;
unit 0 {
family ccc;
}
}
lo0 {
unit 0 {
family inet {
address 1.1.1.1/32;
}
}
}
[edit]
user@router# show protocols
mpls {
interface all;
}
ospf {
traffic-engineering;
area 0.0.0.0 {
interface all;
}
}
ldp {
interface all;
}
l2circuit {
neighbor 2.2.2.2 {
interface xe-0/0/1.0 {
}
}
}
-- Exhibit --
Click the Exhibit button.
In the exhibit, which configuration element is missing to bring up the Layer 2 circuit?
Question267: What is the purpose of a route target community in a Layer 3 VPN?
Question268: On an MX Series device with dual Routing Engines, which two conditions cause a unified ISSU to fail?
(Choose two.)
Question269: Which two statements regarding the MPLS label information base are correct? (Choose two.)
Question270: Click the Exhibit button.
Referring to the exhibit, what must be true of the vlan_100 bridge domain?
Question271: Using industry best practices, which BGP attribute would you modify to influence how traffic leaves your network?
Question272: How are BGP routes grouped when being sent in an update message?
Question273: 
In the exhibit, R3 and R4 have the level 2 disable statements applied to their global IS-IS configuration Which two statements are true regarding R2?
Question274: How many equal-cost paths can be assigned to a single route in the Junos OS?
Question275: What is the default metric for IS-IS interfaces?
Question276: Which two statements are true about unified ISSU? (Choose two.)
Question277: Which statement is true regarding the IS-IS designated intermediate system (DIS)?
Question278: Which LDP message is used to transmit labels and forwarding equivalency class (FEC) information?
Question279: R1 is an OSPF router with a priority of 100 and has been elected as the designated router (DR). R2 is the backup designated router (BDR) with a priority of 50. A third router, R3, comes online with a priority of 200.
Which routers will be the DR and BDR after R3 comes online?
Question280: You own a home network connecting through an always-on connection and need to assign IPv6 addresses to your routers because you want to follow the guidelines spelled out in RFC 3177. You want to design your network with the correct prefixes.
Which prefix would your ISP likely allocate to your network?
Question281: How are BGP routes originated?
Question282: Which two BGP attributes are modified by default when they are passed between external BGP peers?
(Choose two)
Question283: Which three statements are true about BGP default operations? (Choose three.)
Question284: Which command is used to configure an IRB interface?
Question285: What is the default interval for a VRRP advertisement?
Question286: Which command will display the number of IS-IS packets sent and received on a Junos device?
Question287: Your customer needs to communicate between four remote sites using Ethernet and would like to maintain IP reachability between devices using a single /24 network. The customer will need to use ARP from one site to another.
Which solution will meet these requirements?
Question288: Click the Exhibit button
In the exhibit, all routers are sending routes to Router B
Which routes will be advertised from Router B to Router D?
Question289: Which statement about Rapid Spanning Tree Protocol (RSTP) is correct?
Question290: Which criterion is evaluated first when selecting a BGP route?
Question291: You are logged into a Junos device and issue the command show route protocol bgp. You see that the device has received the route 10 0.4/24 from two different IBGP peers. Local preference, MED, origin, and AS-path values are equal.
Which criterion is used to determine which path will be preferred?
Question292: Click the Exhibit button
Given the OSPF network topology shown in the exhibit, you would like to inject external (non-OSPF) routes into the network on Router D.
Which two OSPF area types will support this configuration? (Choose two)
Question293: -- Exhibit --
user@router> show configuration routing-options
autonomous-system 65001;
user@router> show configuration protocols bgp
group 65002 {
traceoptions {
file bgp-trace;
flag open detail;
}
neighbor 192.168.100.2 {
peer-as 65002;
}
}
user@router> show log bgp-trace
Feb 5 20:07:08 trace_on: Tracing to "/var/log/bgp-trace" started
Feb 5 20:08:23.477912 bgp_senD. sending 63 bytes to 192.168.100.2 (External AS 65002) Feb 5 20:08:23.478040 Feb 5 20:08:23.478040 BGP SEND 192.168.100.1+62776 -> 192.168.100.2+179 Feb 5 20:08:23.478077 BGP SEND message type 1 (Open) length 63 Feb 5 20:08:23.478100 BGP SEND version 4 as 65001 holdtime 90 id 10.200.1.4 parmlen 34 Feb 5 20:08:23.478119 BGP SEND MP capability AFI=1, SAFI=1 Feb 5 20:08:23.478138 BGP SEND Refresh capability, code=128
Feb 5 20:08:23.478155 BGP SEND Refresh capability, code=2
Feb 5 20:08:23.478176 BGP SEND Restart capability, code=64, time=120, flags= Feb 5 20:08:23.478196 BGP SEND Restart capability AFI=1, SAF=1, Flags=ForwardingSaved Feb 5 20:08:23.478217 BGP SEND 4 Byte AS-Path capability (65), as_num 65001 Feb 5 20:08:23.478820 Feb 5 20:08:23.478820 BGP RECV 192.168.100.2+179 -> 192.168.100.1+62776 Feb 5 20:08:23.478859 BGP RECV message type 1 (Open) length 59 Feb 5 20:08:23.478880 BGP RECV version 4 as 65003 holdtime 90 id 192.168.1.1 parmlen 30 Feb 5 20:08:23.478899 BGP RECV MP capability AFI=1, SAFI=1 Feb 5 20:08:23.478918 BGP RECV Refresh capability, code=128
Feb 5 20:08:23.478935 BGP RECV Refresh capability, code=2
Feb 5 20:08:23.478955 BGP RECV Restart capability, code=64, time=120, flags= Feb 5 20:08:23.478974 BGP RECV 4 Byte AS-Path capability (65), as_num 65003 Feb 5 20:08:23.479057 bgp_process_open: : NOTIFICATION sent to 192.168.100.2 (External AS 65002):
code 2 (Open Message Error) subcode 2 (bad peer AS number), Reason: peer 192.168.100.2 (External AS 65002) claims 65003, 65002 configured Feb 5 20:08:23.479083 bgp_senD. sending 21 bytes to 192.168.100.2 (External AS 65002) Feb 5 20:08:23.479104 Feb 5 20:08:23.479104 BGP SEND 192.168.100.1+62776 -> 192.168.100.2+179 Feb 5 20:08:23.479136 BGP SEND message type 3 (Notification) length 21 Feb 5 20:08:23.479156 BGP SEND Notification code 2 (Open Message Error) subcode 2 (bad peer AS number)
-- Exhibit --
Click the Exhibit button.
You have been asked to configure an EBGP peering to AS 65002. The EBGP peering is stuck in an Active state.
Referring to the exhibit, what would be changed to bring up the peering?
Question294: R8 is an OSPF router connected to both Area 0 and Area 2. Area 2 has been configured as a totally stubby area. Which three LSA types does R8 suppress from Area 2? (Choose three.)
Question295: Click the Exhibit button
Based on the illustration of the VPLS topology shown in the exhibit, which statement is true?
Question296: Click the Exhibit button
When the Junos configuration shown in the exhibit is applied to the router, which routes in the forwarding table will begin load-balancing packet flows?
Question297: Click the Exhibit button.
Referring to the exhibit, R1 and R2 are unable to form an IS-IS adjacency on interface ge-0/0/1.0. The ge-
0/0/1.0 interface has the appropriate address families enabled.
Which two actions will resolve the problem and allow the adjacency to come up? (Choose two.)
Question298: -- Exhibit --
{master}[edit]
user@router-RE0# run show task replication
Stateful Replication: Enabled
RE modE. Master
Protocol Synchronization Status
OSPF Complete
RIP Complete
BGP Complete
MPLS Complete
LDP Complete
{master}[edit]
user@router-RE0# run show bgp summary | find 192.168.1.1
192.168.1.1 65056 0 0 11:14 Establ
inet.0: 0/0/0/0
inet.2: 0/0/0/0
bgp.l3vpn.0: 0/0/0/0
...
{backup}[edit]
user@router-RE1# run show system switchover
Graceful switchover: On
Configuration databasE. Ready
Kernel databasE. Synchronizing
Peer statE. Steady State
{backup}[edit]
user@router-RE1# run show bgp summary | find 192.168.1.1
192.168.1.1 65056 306 581 7 Idle 0 7
-- Exhibit --
Click the Exhibit button.
You have been asked to determine if an NSR switchover will be hitless for a given BGP peer.
Referring to the exhibit, which statement is true?
Question299: Which three statements are true about BGP? (Choose three)
Question300: Which two statements are correct about neighbor discovery in IPv6? (Choose two.)
Question301: On a Junos device with dual Routing Engine (RE), which two statements correctly describe the expected behavior if the primary RE fails? (Choose two.)
Question302: 
In the exhibit Router A and Router B are operating on the LAN with Router B acting as the designated intermediate system (DIS).
When Router C and Router D are added to the LAN. Which statement is true?
Question303: What is a reason for an OSPF router to display a designated router ID of 0.0.0.0?
Question304: Which statement is true about the operation of Layer 2 VPNs?
Question305: A root bridge in an RSTP network is connect to other neighboring bridge using point-to-point links. Which combination of port types can exist on the root bridge?
Question306: -- Exhibit --
protocols {
isis {
level 1 disable;
interface ge-1/0/0.0 {
level 2 disable;
}
interface ge-1/1/0.0;
interface lo0.0;
}
}
-- Exhibit --
Click the Exhibit button.
Referring to the exhibit, what is the resulting behavior on interface ge-1/0/0?
Question307: In an IS-IS network, which device represents the pseudo-node?
Question308: What is the purpose of the designated router in OSPF?
Question309: Exhibit
[edit]
user@router# show routing-options
static {
router 0.0.0.0/0 {
next hop 10.10.10.1;
qualified-next hop 10.10.10.2 {
preference 6;
}
}
}
aggregate {
route 0.0.0.0/0;
}
generate {
route 0.0.0.0/0;
}
Based on the exhibit, how will traffic using the 0.0.0.0 route exit the device?
Question310: Your company has purchased two new Juniper Networks MX480 routers. Your manager has asked you to add these two devices to the existing ISIS network.
Which two rules about ISIS adjacencies must you consider when carrying out the configuration? (Choose two)
Question311: An RSVP LSP in your network is not operational and you suspect that the "family mpls" statement was omitted from the device configuration.
Which operational mode command will help you to verify your suspicions?
Question312: By default, which RSVP reservation style is used by the Junos OS?
Question313: Click the Exhibit button.
After the MAC learning limit of 3000 is reached for the bd bridge domain as shown in the exhibit, what happens to frames that arrive that contain unknown unicast destination addresses?
Question314: What are two characteristics of load-balancing implementation on a Junos device? (Choose two.)
Question315: Click the Exhibit button.
From the output shown in the exhibit, what would happen to a packet destined for address 172.29.3.5?
Question316: You have configured refresh reduction in your RSVP network but you suspect that some of the Junos devices are not correctly operating in that mode. Which operational mode command can be used to view the refresh messages sent and received?
Question317: Which bridging mechanism is used to ensure that only active entries are in the bridge table?
Question318: You are logged in to an MX80 and issue the command "show route protocol bgp" You see that you have received the route 10.0.4/24 from two different peers. One peer is an external peer and the other is an internal peer. The route received from the internal peer is active.
By the rules of BGP preference, what would cause the internal path for this prefix to be preferred over the external one?
Question319: From the [edit routing-options] hierarchy, which command correctly configures an aggregate route for
64.18.128/17
Question320: What are three well-known mandatory BGP attributes? (Choose three.)
Question321: Which statement is true about routing instances on Junos devices?
Question322: What is a valid BGP neighbor state?
Question323: Which PDU type is sent by an IS-IS router when it detects that its link-state database is out of date?
Question324: Which two statements are true about unified in-service software upgrade (ISSU)? (Choose two.)
Question325: By default, which router in an MPLS LSP removes the MPLS header?
Question326: You are asked to establish an MPLS LSP between two sites. You are required to ensure the LSP traverses specific routers within your network.
Which solution is correct?
Question327: Which two formats are valid route distinguisher formats? (Choose two.)
Question328: You are asked to design a Layer 2 switched topology that can automatically recover from link failures.
Which type of protocol would you consider in your design?
Question329: Which method can be used to reduce the size of the upstream BGP routing table?
Question330: -- Exhibit --
protocols {
isis {
interface lo0.0;
interface ge-0/0/0.100;
}
}
-- Exhibit --
Click the Exhibit button.
Referring to the exhibit, what will be the IS-IS levels enabled on the interface ge-0/0/0.100?
Question331: -- Exhibit --
[edit]
user@Router-X# show policy-options policy-statement nhs
term 1 {
from {
protocol bgp;
neighbor 10.0.21.2;
}
then next-hop self;
}
-- Exhibit --
Click the Exhibit button.
Router-X has an external peering session to 10.0.21.2 and several internal peers.
How can the policy referenced in the exhibit be used to make sure routes are usable?
Question332: Which two interface names can be used within the Junos OS to reference GRE or IP-IP tunnels? (Choose two.)
Question333: Your customer requests that you provide a transparent Layer 2 service between two of their remote locations. This service must allow them to pass tagged traffic from multiple VLANs. You decide to use Q- in-Q tunneling on the two provider edge MX Series routers that connect to the customer's CE devices.
Which two statements are true? (Choose two.)
Question334: While troubleshooting IS-IS on a broadcast network with multiple IS-IS routers, you notice that hello packets from Router A are sent every three seconds while the hello packets from Router B are sent every nine seconds. Both Router A and Router B are configured with default IS-IS configuration values.
In this scenario, which two statements are true? (Choose two.)
Question335: You have two OSPF routers that are trying to form an adjacency. When you issue the command show ospf neighbor, you see that one router is in the loading state and the other is in the full state. Why are you seeing the router's state as loading?
Question336: You are troubleshooting an OSPF adjacency that is stuck in the ExStart state.
What would be the correct step to resolve the problem?
Question337: Click the Exhibit button
An operator is unable to establish any IS-IS adjacencies on a router in the network.
Based on the configuration shown in the exhibit, what is the problem?
Question338: Click the Exhibit button
In an RSTP network, the root and designated ports have been elected as shown in the exhibit What will be the port type of port 1?
Question339: Click the Exhibit button.
Based on the configuration shown in the exhibit, what will be the state of the IS-IS levels on interface ge-
0/0/0.100?
Question340: Which two statements are correct regarding VPLS mesh groups? (Choose two.)
Question341: Which three mechanisms are used by switches to build and maintain bridge tables? (Choose three.)
Question342: Which two statements are correct regarding LDP-signaled VPLS instances? (Choose two.)
Question343: In Q-in-Q tunneling, what is the purpose of the pop-swap operation?
Question344: You own a small company and need to assign IPv6 addresses to your routers. Because you want to follow the guidelines spelled out in RFC 3177, you want to design your network with the correct prefixes. Which prefix would your ISP likely allocate to your company?
Question345: Your network runs RSTP and includes a LAN segment shared by two MX Series devices. The two MX Series devices sharing this LAN segment each have two connections on the shared segment.
Which two statements are true? (Choose two.)
Question346: Click the Exhibit button.
An ISO NET has been configured on R2's lo0.0 interface and ge-0/0/2.0 has been configured to run IS-IS.
However, IS-IS adjacency on ge-0/0/2.0 is not coming up.
Referring to the exhibit, what is required to enable IS-IS?
Question347: Click the Exhibit button
Referring to the network illustrated in the exhibit, how does router A reach destinations in area 49.2222?
Question348: Which two configuration elements must match on all switches participating in the same MSTP region?
(Choose two.)
Question349: Which two support the tunneling of IP traffic on Junos devices? (Choose two.)
Question350: Click the Exhibit button.
What does IS-IS/18 mean in the output displayed in the exhibit?
Question351: Click the Exhibit button
Referring to the exhibit, which policy(s) will be applied to neighbor 172.18.4.5?
Question352: Which statement is true about link aggregation?
Question353: Which standards-based election protocol facilitates redundancy in a LAN environment by eliminating a single point of failure through the use of master and backup routers.
Question354: You have been asked to provide three commands helpful in troubleshooting OSPF adjacencies.
Which three commands would be helpful? (Choose three.)
Question355: Which two commands would you use to see the export policy that has been applied to a BGP neighbor?
(choose two.)
Question356: You would like two LDP routers on opposite sides of your network to become neighbors. Which LDP message is used to form this relationship?
Question357: You are logged into a router and have navigated to the [edit routing-options] level of the hierarchy. You have been asked to create a static route that will use 43.18.7.1 as its primary next-hop and 76.13.10.2 as its secondary next-hop.
Which command correctly configures this setup?
Question358: Which statement describes the role of local preference in the BGP route selection process?
Question359: What are the differences between EBGP and IBGP?
Question360: You are asked to deploy a large-scale IS-IS network with multiple areas.
In this scenario, which statement is true?
Question361: What is the correct format for an IPv4 address mapped into IPv6?
Question362: Which two statements are true regarding GRE tunnels? (Choose two.)
Question363: -- Exhibit -
-- Exhibit --
Click the Exhibit button.
In the exhibit, all switches run STP; however, the link between bridge G and bridge E fails.
What does root bridge A do after it receives information about this link failure?
Question364: -- Exhibit --
-- Exhibit --
[edit]
user@Router-X# show policy-options
policy-statement nhs
term 1 {
from {
protocol bgp;
neighbor 10.0.21.2;
}
then next-hop self;
}
}
A Junos device has an external peering session to 10.0.21.2 and several internal peers.
How can the policy reference in the exhibit be used to ensure routes are usable?
Question365: You have a stub OSPF area running in your network. Your supervisor has asked you to build a virtual link across this area to connect new equipment acquired in a recent ISP acquisition. Which statement is correct about this scenario?
Question366: For a network running single-area OSPF, how would you decrease the size of the link-state database (LSDB)?
Question367: Which address is within the IPv6 link-local address scope?
Question368: Which two elements are valid in the BGP path selection algorithm? (Choose two.)
Question369: Which statement correctly describes the metric used for IS-IS?
Question370: You have an OSPF network. On certain applications and links, you need OSPF recovery to be faster than can be provided by OSPF timers. Which protocol would meet this requirement?
Question371: You are asked to configure a new LSP in your network. The new LSP must take a specific path using a given set of routers.
What must you do to accomplish this task?
Question372: Click the Exhibit button.
Switch 1 and Switch 2 are configured to run MSTP. However, MSTP is not working.
Referring to the exhibit, which two actions will correct the problem? (Choose two.)
Question373: You have configured an RSVP LSP in your network and have assigned it one primary and two secondary paths.
Which command is used to validate that the LSP is using the primary path?
Question374: Which two routing protocols make use a designated router, or pseudo node, to represent a broadcast network? (Choose two.)
Question375: Which three statements are correct about VRRP? (Choose three.)
Question376: -- Exhibit --
user@R1> show route protocol bgp
inet.0: 6 destinations, 6 routes (6 active, 0 holddown, 0 hidden)
+ = Active Route, - = Last Active, * = Both
200.200.0.0/24 *[BGP/170] 00:00:47, localpref 100
AS path: 65001 I
> to 192.168.100.1 via ge-1/1/5.435
200.200.1.0/24 *[BGP/170] 00:00:47, localpref 100
AS path: 65001 I
> to 192.168.100.1 via ge-1/1/5.435
200.200.2.0/24 *[BGP/170] 00:00:47, localpref 100
AS path: 65001 I
> to 192.168.100.1 via ge-1/1/5.435
200.200.3.0/24 *[BGP/170] 00:00:47, localpref 100
AS path: 65001 I
> to 192.168.100.1 via ge-1/1/5.435
user@R2> show route 200.200/16
inet.0: 36 destinations, 36 routes (36 active, 0 holddown, 0 hidden)
Restart Complete
+ = Active Route, - = Last Active, * = Both
200.200.0.0/24 *[Static/5] 00:09:12
Reject
200.200.1.0/24 *[Static/5] 00:09:12
Reject
200.200.2.0/24 *[Static/5] 00:09:12
Reject
200.200.3.0/24 *[Static/5] 00:09:12
Reject
200.200.4.0/24 *[Static/5] 00:09:12
Reject
user@R2> show configuration protocols bgp
export export-200;
group c5 {
neighbor 192.168.100.2 {
export export-200.200;
peer-as 65002;
}
}
user@R2> show configuration policy-options policy-statement export-200.200 term 1 { from {
route-filter 200.200.0.0/22 longer;
}
then accept;
}
user@R2> show configuration policy-options policy-statement export-200
term 1 {
from {
route-filter 200.200.0.0/21 longer;
}
then accept;
}
Click the Exhibit button.
R2 is exporting static routes to R1 using BGP. R1 is not receiving one of the five static routes that is configured on R2.
Referring to the exhibit, what should be changed under the BGP configuration to resolve this issue?
Question377: Which statement is true regarding the default master routing instance?
Question378: Where does the Junos OS place an MPLS header in a data packet?
Question379: You are using RSVP in your network to signal MPLS LSPs. You are asked to ensure that the egress MPLS router receives the full label stack, containing both the hop-by-hop and VPN label.
Question380: Which two elements contribute to the bridge ID when configuring RSTP? (Choose two)
Question381: -- Exhibit --
user@R1> show configuration interfaces ge-1/1/0
unit 0 {
family inet {
address 10.100.1.1/24 {
vrrp-group 1 {
virtual-address 10.200.12.254;
priority 150;
accept-data;
track {
interface ge-1/0/0 {
priority-cost 40;
}
}
}
}
}
}
user@R2> show configuration interfaces ge-1/1/0
unit 0 {
family inet {
address 10.100.1.2/24 {
vrrp-group 1 {
virtual-address 10.200.12.254;
accept-data;
}
}
}
}
-- Exhibit --
Click the Exhibit button.
R1 and R2 are using VRRP for high availability.
Referring to the exhibit, which two statements are correct about the configuration? (Choose two.)
Question382: Click the Exhibit button
Based on the illustration shown in the exhibit, what would PE-B do with a VPLS packet received from PE-A if the matching entry in its VPLS routing table showed the destination was connected to PE-D?
Question383: Customers complain that they cannot reach remote sites. You notice that your VPN routes are hidden on PE routers and you suspect that a labe-switched path (LSP) is down.
Which command will confirm MPLS reachability to a remote PE?
Question384: Which protocol do two MC-LAG devices use to exchange control information?
Question385: Which three are valid IPv6 extension headers? (Choose three.)
Question386: You are asked to configure and apply a new routing policy to influence routing advertisements sent to a specific EBGP peer. You must ensure that the new policy does not impact routing advertisements sent to any other peer.
In this scenario, which statement is true?
Question387: What are two uses of the AS-path attribute? (Choose two.)
Question388: On an Ethernet segment, OSPF DROther routers form which type of adjacency with each other?
Question389: What are two components of an IPv6 router advertisement message? (Choose two.)
Question390: -- Exhibit --
[edit]
user@router> show bgp summary
...
Peer AS InPkt OutPkt OutQ Flaps Last Up/Dwn State...
5.1.1.1 100 10 0 1 14:06 Established
10.1.1.1 200 10 0 1 14:06 Active
20.1.1.1 300 10 0 1 14:06 Idle
-- Exhibit --
Click the Exhibit button.
Referring to the BGP peering sessions shown in the exhibit, which two statements are true? (Choose two.)
Question391: Which two elements are valid in the BGP path selection algorithm? (Choose two.)
Question392: You want to configure an interface on your router to use an IPv6 global IP address.
Which three methods accomplish this task? (Choose three.)
Question393: You have been asked to verify the state of an LDP-signaled Layer 2 circuit. Which two commands would you use to verify the state of the connection? (Choose two.)
Question394: -- Exhibit -
-- Exhibit --
Click the Exhibit button.
You are asked to configure a new external BGP peering. You have configured BGP on R1 as shown in the exhibit, however the BGP peering remains in Active state.
Which additional configuration is required on R1 to establish the BGP peering?
Question395: You are configuring a trunk interface on an MX Series device and want to ensure that any outgoing frames associated with VLAN 100 are transmitted as untagged frames.
Which configuration will achieve this objective?
Question396: Your network is using the Junos default MPLS settings.
Which label operation is performed by penultimate router?
Question397: What are two similarities between OSPF and IS-IS? (Choose two.)
Question398: What is a reason for an OSPF router to display a designated router ID of 0.0.0.0?
Question399: What are three ways that graceful Routing Engine switchover provides redundancy? (Choose three.)
Question400: You are deploying IS-IS in your network to enable the routing of only IPv6. Assume that the loopback interface has been properly configured.
What is the minimum required configuration to enable only IPv6 routing in IS-IS?
Question401: Using industry best practices, which two BGP attributes would you modify to influence how traffic enters your network? (Choose two)
Question402: Which type of router can provide connectivity between areas in an IS-IS domain?
Question403: By default, the Junos OS advertises which address(es) in LDP forwarding equivalency class (FEC) messages?
Question404: What is the function of the hop limit field in the IPv6 header?
Question405: You have been asked to verify the state of an LDP-signaled Layer 2 circuit.
Which two commands would you use to verify the state of the connection? (Choose two.)
Question406: Which two configuration elements are defined under an MSTP instance? (Choose two)
Question407: Before configuring an RSVP LSP in your network, you first apply a baseline configuration to all of the routers. Which three configuration elements are minimally required in the baseline? (Choose three.)