EMT Practice Test

1. Question Content...

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Question1: What are two methods for decreasing the size of an OSPF link-state database (LSDB)? (Choose two.)

Question2: You must configure an MX Series device to receive and forward a mixture of single-tag and dual-tag frames on interface xe-0/0/0.
In this scenario what will accomplish goal?

Question3: What must be configured for all IBGP speakers in an AS to have consistent routing information?

Question4: You are using RSVP to signal an MPLS LSP.
Which statement is true in this scenario?

Question5: Click the Exhibit.

Referring to the exhibit, which IS-IS router will be selected as the DIS?

Question6: You are setting up a new IS-IS adjacency between two devices. The new Level1 adjacency is not establishing.
What would cause this behavior?

Question7: What is required on the egress and ingress devices to transport IPv6 traffic across an IPv4 network?

Question8: A customer pays for the bandwidth on a per-packet basis. The network administrator wants to constrain costs and prevent Layer 2 loops on a multihomed Layer 2 WAN network.
Which technology would satisfy these requirements?

Question9: Which two Layer 2 protocols are supported on MX Series devices? (Choose two.)

Question10: Click the exhibit.


Referring to the exhibit, which configuration must be set on R2 to from a Level 1 IS-IS adjacency with R1?

Question11: You are configuring a default static route using the default preference value. You want to ensure that any static route that you configure in the future will be less preferred than the OSPF routes that are configured on the network.
Which command will accomplish this task?

Question12: Which statement is true about routing instances on Junos devices?

Question13: Click the Exhibit.

Referring to the configuration shown in the exhibit, which statement is true?

Question14: Which statement correctly describes a characteristic of IPv6 unicast addressing?

Question15: Click the Exhibit.

You have just configured IS-IS, but the adjacency is not coming up.
Referring to the exhibit, what is the cause?

Question16: Click the Exhibit.


You are using OSPF as your IGP in your network. You have applied the OSPF configuration shown in the exhibit to router R1.
Which statement is true in this scenario?

Question17: Which two routing protocols make use of a designated router, or pseudo node, to represent a broadcast network? (Choose two.)

Question18: Click the exhibit.

A customer has two VLANs to extend between Site-1 and Site-2. The customer does not want to route the VLANs or renumber the VLANs.
Referring to the exhibit, which two VLAN IDs are egressing the MX Series device towards the optical transport network after translation? (Choose two.)

Question19: Which two statements are correct regarding TLVs in IS-IS? (Choose two.)

Question20: Which two fields of a hello packet must match on both routers when forming an OSPF adjacency? (Choose two.)

Question21: Click the Exhibit.



Referring to the exhibit, which route(s) will be exported to neighbor 192.168.1.2?

Question22: Click the Exhibit.

You are planning the addition of a new EX3400 Series device to the network (EX-3400-7) to service MSTI-
1 and MSTI-2.
Referring to the exhibit, which requirement must be met on EX-3400-7 for the MSTP instances to become fully operational and resilient?

Question23: Click the exhibit.

You are asked to enable a new BGP connection on R1, which has an existing IPv4 peering with R2. The new peering with R3 will use IPv6.
Referring to the exhibit, which two steps are required to enable the new IPv6 peering? (Choose two.)

Question24: Click the Exhibit.
The router with the configuration shown in the exhibit has two interfaces, both of which are operational and can pass traffic. These interfaces are connected to two different routers, both of which are configured for OSPF area 0.0.0.1. The router has received LSAs and can now send traffic into the backbone area.
Which two statements are correct? (Choose two.)

Question25: What is the correct simplification of the 2001:0000:0000:0234F:0000:CBFF:5CA1:A001 IPv6 address?

Question26: Click the Exhibit.

Referring to the configuration in the exhibit, which two statements are true? (Choose two.)

Question27: What is the OSPFv3 router ID?

Question28: Click the exhibit.

You have configured OSPF between two routers. The OSPF adjacency will not form.
Referring to the exhibit, what is the problem?

Question29: Click the Exhibit.

Referring to the exhibit, which two statements are true? (Choose two.)

Question30: Click the Exhibit.

You have configured the IBGP group shown in the exhibit. However, committing your configuration fails.
Which parameter should you add to the IBGP group configuration to correct the problem?

Question31: Click the exhibit.

In the exhibit, which two routers will perform a swap action on LSP1? (Choose two.)

Question32: Which Layer 2 mechanism logically groups network nodes into separate broadcast domains?

Question33: Which statement is true about GRE encapsulation?

Question34: You asked to deploy a large-scale IS-IS network with multiple areas.
In this scenario, which two statements are true? (Choose two.)

Question35: Click the Exhibit.

Your router has an external peering session to 10.10.25.5 and several internal peers. However, routes learned from EBGP peers are showing up in a hidden state on IBGP peers.
Where would you apply the policy shown in the exhibit to solve this issue?

Question36: You are establishing RSVP LSPs through your MPLS-enabled network. You are asked to ensure that the LSPs will support end-to-end class-of-service handling.
Which statement is correct in this scenario?

Question37: Because of recent network failures, additional circuits have been purchased. In addition, Fast reroute has been configured on critical MPLS LSPs.
When the next failure occurs, which two time intervals will affect fast reroute? (Choose two.)

Question38: What are two valid next-hop types that would be configured for a static route? (Choose two.)

Question39: Click the Exhibit.

Referring to the configuration in the exhibit, which statement is true?

Question40: Which statement is true when using VLANs in a bridge domain on an MX Series device?

Question41: An IS-IS TLV includes which two attributes? (Choose two.)

Question42: What is the TTL value for EBGP?

Question43: Click the Exhibit.


Referring to the exhibit, R-1 and R-2 are connected with a LAG on the ae0 interface. However, the LAG is not operational.
Which action will solve this problem?

Question44: Click the exhibit.

Customer 1 has experienced some hardware failures that erroneously transitioned some links into a forwarding state, as shown in the exhibit.
In this scenario, which STP feature set would solve this problem?

Question45: Which two statements are true about NSR? (Choose two.)

Question46: Which statement is true regarding default MPLS label handling?

Question47: Click the Exhibit.

You are receiving the same route prefix from four EBGP neighbors.
Based on the information provided in the exhibit, which route will become active?

Question48: Click the Exhibit.

On an MX Series device, you must enable routing between VLANs 100,200, and the Internet ge-5/1/0, and ge-5/1/2 are bundled into interface ae3. Ge-5/1/4, and ge-5/1/5 are bundles into interface ae2. Both AE bundles trunk VLANs 100 and 200.
In this scenario, what is the correct configuration snippet for VLAN 100?

Question49: You are asked to configure and apply a new routing policy to influence routing advertisements received from a specific EBGP peer.
In this scenario, which statement is true?

Question50: Which two statements are correct about default BGP route propagation? (Choose two.)

Question51: Which three statements are true about GRES? (Choose three.)

Question52: Click the Exhibit.


Referring to the exhibit, the GRE tunnel between R-1 and R2 allows connectivity between User-1 and Server-1. User-1 can communicate with Server-1 with packets that are up to 1448 bytes in size.
However, if the packet size is larger than 1448, User-1 cannot communicate with Server-1.
In this scenario, how do you solve the communication problem?

Question53: You want to save adjacency formation time between two routers participating in OSPF, as well as reduce the size of the OSPF link-state database.
How would you accomplish these tasks?

Question54: What are three label operations that an MPLS-enabled router performs? (Choose three.)

Question55: Click the Exhibit.
Route Next-hop AS-Path Origin Local Preference
Route 1 ISP 1 123 88 65512 I 100
Route 2 ISP 2 678 651111 E 100
Route 3 ISP 3 3245 6532 1231 65510 ? 200
Route 4 ISP 4 65512 E 150
You are receiving the same route prefix from four EBGP neighbors.
Based on the information provided in the exhibit, which route will be selected?

Question56: Click the Exhibit.

Your network consists of subnets shown in the exhibit. You are asked to create an aggregate route for Router 1.
What is the appropriate prefix for the aggregate route in this scenario?

Question57: Click the Exhibit.

By default, at which router will the implicit null (Label3) action take place for LSP shown in the exhibit?

Question58: What are tree types of interfaces that can be used in an MX Series device when implementing a virtual switch routing instance? (Choose three.)

Question59: Which standards-based election protocol facilities redundancy in a LAN environment by eliminating a single point failure through the use of master and backup routers?

Question60: Which two statements correctly describe the BGP community attribute? (Choose two.)

Question61: Click the Exhibit.


Referring to the exhibit, what is the result of applying this policy?

Question62: Which two statements are true about VRRP? (Choose two.)

Question63: Click the Exhibit.


You have just configured a GRE tunnel, but you notice that the GRE tunnel is flapping.
Referring to the exhibit, which two would you take to solve this problem? (Choose two.)

Question64: Click the Exhibit.

Referring to the exhibit, what is the correct OSPF interface state for the ge-0/0/1 interface?

Question65: Click the Exhibit.


Referring to the exhibit, which statement is correct about MVRP?