Question1: Which command gracefully shuts down the Junos OS?
Question2: What are two routing requirements for a device to communicate with another device? (Choose two.)
Question3: Which source of routing information is preferred by default?
Question4: Which command will display the temperature of the Routing Engine's CPU?
Question5: What are three valid match criteria in a firewall filter applied to a Layer 3 interface? (Choose three.)
Question6: By default, which two statements are true about export routing policies? (Choose two.)
Question7: -- Exhibit --
user@router> show configuration
groups {
ge-int {
interfaces {
<ge-*> {
unit 0 {
familyinet {
address 10.10.12.1/24;
}
}
}
}
}
}
...
interfaces {
ge-0/0/1 {
unit 0;
}
-- Exhibit --
Referring to the exhibit, which two actions would you take to only apply the 10.10.12.1/24 address to the ge-0/0/1.0 interface?
Question8: You need to control SSH, HTTP, and Telnet access to an MX240 router through any interface. You have decided to use a firewall filter.
How should you apply the firewall filter?
Question9: You issue the ping interface t1-1/1/0 1.1.1.1 bypass-routing count 1000 rapid command.
Which statement is correct?
Question10: Which CLI mode allows you to make configuration changes?
Question11: What is the decimal equivalent of 00000100?
Question12: You are asked to configure real-time performance monitoring (RPM) between two Junos devices to track traffic in your network.
Which two application traffic types can you track? (Choose two.)
Question13: Which two statements are true about firewall filter configurations? (Choose two.)
Question14: Which two statements apply when a user has entered private configuration mode by typing configure private? (Choose two.)
Question15: Which command displays the amount of space available on the storage media?
Question16: Which statement describes transit traffic?
Question17: You issue the command telnet interface ge-1/1/0 10.10.10.1 source 192.168.100.1 bypass-routing.
Which statement is correct?
Question18: After factory-defaults have been loaded, which two syslog files will be present in the configuration?
Question19: What does the command show | compare rollback 1 display?
Question20: On which operating system is the Junos OS based?
Question21: -- Exhibit --
[edit policy-options]
user@router# show
policy-statement block-routes {
term 1 {
from {
route-filter 172.27.0.0/24 longer;
}
then reject;
}
term 2 {
then accept;
}
}
-- Exhibit --
You are asked to ensure that your device does not accept any prefixes within the 172.27.0.0/24 network.
You have applied the policy shown in the exhibit, but the 172.27.0.0/24 route is still present on your device.
Which configuration will resolve this problem?
Question22: Which command do you use to go from the shell prompt to the CLI prompt?
Question23: Which two statements are true about the primary address on an interface? (Choose two.)
Question24: Which command is used to restore a Junos device to its default state?
Question25: What is the decimal equivalent of 10101010?
Question26: You are modifying the default route preference under the [edit protocols] hierarchy.
In which two routing information sources can you change the default preference value? (Choose two.)
Question27: Which J-Web tab do you use to add licenses to the device?
Question28: Which command would you use to view interface usage details in real time?
Question29: What is the purpose of unicast reverse path forwarding?
Question30: Which command do you use to identify the meaning of a syslog message?
Question31: You issue the ping interface t1-1/1/0 bypass-routing count 1000 rapid command.
Which statement is correct?
Question32: What is the network address for the 10.13.147.100/19 host?
Question33: You have been asked to develop an application that uses only connection-oriented protocols.
Which two protocols can you use? (Choose two.)
Question34: During a password recovery, what is the next step after configuring the system to boot into single-user mode?
Question35: -- Exhibit --
[edit policy-options]
user@router# show
policy-statement my-policy {
term 1 {
from {
route-filter 172.27.0.0/24 longer;
}
}
then reject;
}
-- Exhibit --
Which statement is correct about the policy shown in the exhibit?
Question36: When configuring more than one archival site, which statement is true?
Question37: By default, what are three valid routing tables? (Choose three.)
Question38: You accidentally configured interface so-0/0/0.0 with /32 instead of /30.
Which two solutions could you use to correct this configuration? (Choose two.)
Question39: Which command will allow you to quickly determine the administrative status of all interfaces on a Junos device?
Question40: What is the default route preference value for EBGP?
Question41: For the interface ge-1/2/3.4, what does the "ge" represent?
Question42: Which two statements are true about the rescue configuration file? (Choose two.)
Question43: -- Exhibit --
Amnesiac (ttyu0)
login:
-- Exhibit --
Which statement is correct about the information shown in the exhibit?
Question44: Which statement describes an advantage of dynamic routing?
Question45: -- Exhibit --
[edit policy-options policy-statement my-policy]
user@router# show
term 1 {
from {
route-filter 192.168.0.0/16 prefix-length-range /20-/24;
}
then accept;
}
-- Exhibit --
Referring to the exhibit, which three networks match the policy? (Choose three.)
Question46: Which statement is correct about policies in the Junos OS?
Question47: Which directory does the Junos OS use to store syslog information by default?
Question48: What are three advantages which dynamic routing protocols offer over static routing protocols? (Choose three.)
Question49: Which network mask is the equivalent of 255.255.248.0?
Question50: Which two statements are correct about Layer 2 broadcast frames? (Choose two.)
Question51: Which user authentication method is supported by the Junos OS as a last resort alternative?
Question52: Which operational mode command can be used to synchronize the local system time with an NTP server?
Question53: What is correct regarding the configuration shown below?
static route 0.0.0.0/0 qualified-next-hop 172.30.25.1 preference 7 next-hop 172.30.25.5
Question54: Which two statements are true about TCP communication? (Choose two.)
Question55: Which simplified IPv6 address is the same as the IP address
2001:0000:1000:0000:0000:cbff:0020:0001/64?
Question56: -- Exhibit --
user@router> show route protocol static
inet.0: 15 destinations, 15 routes (15 active, 0 holddown, 0 hidden)
+ = Active Route, - = Last Active, * = Both
99.0.0.0/17 *[Static/5] 00:00:11
>to 10.1.1.2 via ge-0/0/1.0
99.0.0.0/19 *[Static/5] 00:00:11
>to 10.1.2.2 via ge-0/0/2.0
99.0.0.0/24 *[Static/5] 00:00:11
>to 10.1.3.2 via ge-0/0/3.0
99.0.0.0/26 *[Static/5] 00:00:11
>to 10.1.4.2 via ge-0/0/4.0
-- Exhibit --
In the exhibit, there are four static routes that route traffic through different interfaces.
Which interface does the router use if traffic is sent to the 99.0.0.1 destination?
Question57: Which two statements are true regarding an Ethernet collision domain? (Choose two.)
Question58: What represents the decimal equivalence of 01101110?
Question59: Which configuration parameter on a Junos device alters the default next-hop resolution behavior of a static route?
Question60: What information does the help topic command provide?
Question61: You are at the top of the hierarchy and must configure OSPF on interface so-0/0/0 unit 100.
Which two achieve this result? (Choose two.)
Question62: In Ethernet networks, duplex mismatches will lower performance. Which error statistics can be seen if a duplex mismatch is present?
Question63: -- Exhibit --
[editsnmp]
user@router# show
communityCommunityA {
authorization read-only;
clients {
192.168.1.0/28;
}
}
trap-groupgroupA {
categories {
link;
}
targets {
192.168.100.1;
192.168.200.1;
}
}
-- Exhibit --
Referring to the exhibit, what is the purpose of the targets section of the configuration?
Question64: What are three types of routing instances? (Choose three.)
Question65: What must you type to enter operational mode from the root@% command prompt?
Question66: Which two statements are true regarding trace options on Junos devices? (Choose two.)
Question67: Which statement is true about the forwarding plane?
Question68: There are three static routes in the routing table that need to be announced to your OSPF peers.
Which method is used to accomplish this?
Question69: What is the role of route preference?
Question70: At which command prompt would you issue the set date <date> command?
Question71: Which statement is true regarding the Junos OS?
Question72: Which two statements are true regarding routing tables? (Choose two.)
Question73: Which two commands would you use to view OSPF routes? (Choose two.)
Question74: The IP address 192.168.100.1 belongs to which class of IP address space?
Question75: A network administrator wants to verify the active alarms on interface so-0/0/0.0.
Which command displays this information?
Question76: In dotted decimal notation, what is the equivalent of 11010101 01000010 01111111 11000010?
Question77: You want to log in to the router and make a configuration change.
After logging in as the root user, what is the next command you must enter?
Question78: Which command will display the contents of the forwarding table?
Question79: When using keyboard shortcuts, which keystroke combination allows users to erase a single word to the left of the cursor?
Question80: Which command would correctly define a router's host-name?
Question81: What is the last usable IP address in the 218.6.0.0/17 network?
Question82: Which statement is true regarding the Junos OS?
Question83: -- Exhibit --
[edit firewall family inet filter input-filter]
user@router# show
term my-policy {
from {
source-address {
151.43.62.0/24;
}
}
then {
count;
}
}
term else {
then {
discard;
}
}
-- Exhibit --
Which two tasks are accomplished by the firewall filter shown in the exhibit? (Choose two.)
Question84: What are three benefits of class of service? (Choose three.)
Question85: -- Exhibit --
[edit policy-options policy-statement my-policy]
user@router# show
term 1 {
from {
route-filter 192.168.0.0/16 orlonger;
}
then accept;
}
-- Exhibit --
Referring to the exhibit, which three networks match the policy? (Choose three.)
Question86: Which three SONET network elements are used for troubleshooting? (Choose three.)
Question87: Which two commands are used during the password recovery process? (Choose two.)
Question88: What are two benefits of the modular design of the Junos OS? (Choose two.)
Question89: Which CLI command is used to display output one page at a time?
Question90: Which command do you use as a valid way to view the PICs within a router as well as the PICs' serial numbers?
Question91: At which layer of the OSI model does error checking occur with IPv6?
Question92: What is the purpose of a network mask?
Question93: Which statement is correct about logical units on Juniper Router interfaces?
Question94: By default, if equal-cost paths exist for the same destination, which action will the router take?
Question95: What is a route filter?
Question96: By default, which character indicates the configuration mode prompt?
Question97: -- Exhibit --
inet.0: 4 destinations, 4 routes (4 active, 0 holddown, 0 hidden)
+ = Active Route, - = Last Active, * = Both
172.23.10.0/24 *[Direct/0] 21:59:56
>via ge-0/0/6.0
172.23.10.100/32 *[Local/0] 22:00:10
Local via ge-0/0/6.0
172.23.12.0/24 *[Static/5] 00:01:36
>to 172.23.10.1 via ge-0/0/6.0
172.23.15.0/24 *[Static/5] 00:01:36
>to 172.23.10.1 via ge-0/0/6.0
-- Exhibit --
Users are unable to access resources in the 172.23.14.0/24 subnet.
Referring to the exhibit, which two actions would solve this problem? (Choose two.)
Question98: Which two commands allow you to return to a previous version of software on the device? (Choose two.)
Question99: After issuing the show interfaces terse command, you notice that the status of one interface is "up down".
What does this indicate?
Question100: What represents the binary equivalence of 207?
Question101: After editing to your device's configuration, which command must you enter to activate the configuration changes?
Question102: Which two statements are true about firewall filter configurations? (Choose two.)
Question103: What happens when you issue the ping 172.19.102.2 count 5 command?
Question104: What are two functions of the RE? (Choose two).
Question105: Which statement is true regarding an Ethernet collision domain?
Question106: Which command will drop a matching packet and send out a notification message?
Question107: -- Exhibit --
traceroute to 10.1.15.2 (10.1.15.2), 30 hops max, 40 byte packets
1 10.1.36.1 (10.1.36.1) 0.651 ms 7.834 ms 0.506 ms
2 10.1.23.1 (10.1.23.1) 0.5 ms 0.5 ms 0.5 ms
3 * * *
4 * * *
-- Exhibit --
Referring to the exhibit, which statement is correct?
Question108: What are the usable hosts on the 192.168.1.24/29 network?
Question109: Which two design goals describe the Junos OS design? (Choose two.)
Question110: Which three steps are part of the root password recovery process? (Choose three.)
Question111: Which command will show the best paths that are installed in the PFE?
Question112: In the Junos OS, what handles transit traffic?
Question113: Which two statements are true regarding the use of NTP clock synchronization? (Choose two.)
Question114: You have been asked to create a static route with a next hop that is not directly connected to the router.
Which configuration parameter enables the static route to accomplish this scenario?
Question115: You have just issued the command user@router# save current.conf.
Assuming the default settings, where in the file system is current.conf saved?
Question116: Which two can be used to create and apply an export policy that advertises static routes to RIP neighbors?
(Choose two.)
Question117: You have been asked to configure a login class that will permit its users to view and edit the configuration.
The class should allow a user to view the entire configuration, but only to edit the interfaces, routing- options, and protocols hierarchies.
Which configuration accomplishes this login class?
Question118: Which mode is used to allow only a single person to edit a configuration?
Question119: -- Exhibit --
user@router> show configuration firewall
familyinet {
filter demo {
term example {
from {
source-address {
100.100.100.0/24;
}
destination-address {
200.200.200.0/24;
}
}
then {
reject;
}
}
term testing {
from {
source-address {
10.10.10.0/28;
}
destination-address {
200.200.200.0/24;
}
}
then sample;
}
term results {
from {
address {
200.200.200.0/24;
}
}
then accept;
}
term final {
thenpolicer LAPD;
}
}
}
-- Exhibit --
Given the configuration shown in the exhibit, what will happen to traffic from source 10.10.10.25 destined to 200.200.200.1?
Question120: What is the default SNMP permission level on Junos devices?
Question121: Using the command, user@router# load override latest.conf, where in the file system will the latest.conf be located?
Question122: Which command displays the egress interfaces selected on the PFE for destination prefixes?
Question123: Which two characteristics describe the UDP protocol? (Choose two.)
Question124: You are asked to configure the configuration archival feature on your Junos devices.
Which two transfer methods are available? (Choose two.)
Question125: Which login class permission will allow a user to use the telnet utility?
Question126: You are asked to free up disk space so you can update your version of the Junos OS.
Which two commands display the files that will be removed? (Choose two.)
Question127: Which two statements are correct regarding default protocol preference values? (Choose two.)
Question128: Which CLI keyboard sequence allows you to move the cursor to the beginning of the line?
Question129: What is the default export routing policy for EBGP?
Question130: Which statement is true regarding the password-recovery process?
Question131: What are three benefits of using IPv6? (Choose three.)
Question132: Which operating system do Juniper Networks MX Series routers use?
Question133: Which two commands will successfully create ping traffic? (Choose two.)
Question134: Which two firewall filter actions will terminate the processing and evaluation of a packet? (Choose two.)
Question135: -- Exhibit --
[edit system syslog]
user@router# show
host 152.170.10.10 {
any warning;
}
file changes {
change-log info;
}
-- Exhibit --
Referring to the exhibit, which two statements are true? (Choose two.)
Question136: Which command is a valid way to view the status of an interface?
Question137: What are two default routing policies on Junos devices? (Choose two.)
Question138: -- Exhibit -

-- Exhibit --
Referring to the exhibit, you are asked to rate-limit traffic from Web-Server to the subnet where Mal-User is located. All other traffic should be permitted.
Which firewall filter configuration do you use?
Question139: You configured an interface with an IP address and committed the change. You then committed a change that added an exception in a firewall filter to allow this network through the filter. You realize that this work was done on the wrong router.
How do you undo all these changes?
Question140: -- Exhibit --
[edit firewall family inet filter COS-CLASSIFIER]
user@router# show
term MANAGER {
from {
source-address {
192.168.200.0/25;
}
destination-address {
100.100.100.1/32;
}
}
then {
forwarding-class expedited-forwarding;
accept;
}
}
term ALL-OTHER-TRAFFIC {
then accept;
}
[edit interfaces ge-0/0/1]
user@router# show
unit 0 {
familyinet {
filter {
input COS-CLASSIFIER;
}
address 192.168.200.1/24;
}
}
-- Exhibit --
Referring to the exhibit, which type of classifier is being used in this CoS configuration?
Question141: Which account is used to access a Junos device in factory-default configuration?
Question142: What is the default export routing policy for RIP?
Question143: Which two statements about MPLS label-switched paths (LSPs) are true? (Choose two.)
Question144: -- Exhibit --
policy-options {
policy-statement example-pol {
term 1 {
from {
protocol static;
route-filter 10.1.0.0/16 exact;
}
then {
preference 6;
accept;
}
}
term 2 {
from {
protocol static;
route-filter 10.1.1.0/24 longer;
}
then {
preference 7;
accept;
}
}
term 3 {
from {
protocol static;
route-filter 10.1.0.0/16 upto /24;
}
then {
preference 8;
accept;
}
}
term 4 {
then accept;
}
}
}
-- Exhibit --
Referring to the exhibit, if the static route with prefix 10.1.1.0/24 is evaluated against the routing policy, which preference value will be set?
Question145: -- Exhibit --
user@router> show route protocol static
inet.0: 12 destinations, 12 routes (12 active, 0 holddown, 0 hidden)
+ = Active Route, - = Last Active, * = Both
192.168.1.128/27 *[Static/5] 00:03:13
>to 10.20.106.10 via fe-0/0/5.1
192.168.1.144/29 *[Static/5] 00:03:13
>to 10.20.14.131 via ge-0/0/0.0
192.168.1.192/27 *[Static/5] 00:03:13
>to 10.18.1.1 via ge-0/0/1.0
192.168.1.128/28 *[Static/5] 00:01:06
>to 10.20.14.130 via ge-0/0/0.0
-- Exhibit --
Given the routing entries shown in the exhibit, which next-hop IP address will be used for the destination IP address 192.168.1.142? (Assume that only static routes are available for the destination.)
Question146: Which two statements are true about optical networks? (Choose two.)
Question147: Which statement is true regarding the forwarding plane?
Question148: Which two statements are correct when you use the reject parameter as the next-hop value for a static route? (Choose two.)
Question149: Which two protocols are connection-oriented? (Choose two.)
Question150: Which statement is true regarding the Junos OS?
Question151: Which two external authentication servers are supported for administrative access to a Junos device?
(Choose two.)
Question152: Which word starts a command to display the operational status of a Junos device?
Question153: Which two statements accurately describe a broadcast domain? (Choose two.)
Question154: Which statement is correct regarding the Junos OS?
Question155: You must apply the family inet configuration parameter only to Gigabit Ethernet interfaces that are in FPC
2.
Which output applies to this configuration?
Question156: Which two statements are true of a network mask? (Choose two.)
Question157: -- Exhibit --
user@router> show route protocol static
inet.0: 12 destinations, 12 routes (12 active, 0 holddown, 0 hidden)
+ = Active Route, - = Last Active, * = Both
192.168.1.128/27 *[Static/5] 00:03:13
>to 10.20.106.10 via fe-0/0/5.1
192.168.1.144/29 *[Static/5] 00:03:13
>to 10.20.14.131 via ge-0/0/0.0
192.168.1.192/27 *[Static/5] 00:03:13
>to 10.18.1.1 via ge-0/0/1.0
192.168.1.128/28 *[Static/5] 00:01:06
>to 10.20.14.130 via ge-0/0/0.0
-- Exhibit --
Given the routing entries shown in the exhibit, which next-hop IP address will be used for the destination IP address 192.168.1.159? (Assume that only static routes are available for the destination.)
Question158: Which statement is correct regarding IPv6 addresses?
Question159: When considering the default behavior of Junos platforms, which statement is true about archiving configurations?
Question160: Which operational command would you use to quickly verify the state of all interfaces?
Question161: You have received a default route through BGP from your ISP and you want to redistribute it into OSPF.
Which method will accomplish this?
Question162: How do you write the current candidate configuration to the permanent storage media?
Question163: -- Exhibit --
user@router> show route
inet.0: 9 destinations, 9 routes (9 active, 0 holddown, 0 hidden)
+ = Active Route, - = Last Active, * = Both
10.10.10.91/32 *[Direct/0] 00:09:40
>via lo0.0
10.10.10.92/32 *[OSPF/10] 00:01:50, metric 1
>to 172.16.1.2 via ge-0/0/2.0
100.100.1.0/24 *[Static/5] 00:01:50
Reject
172.16.1.0/24 *[Direct/0] 00:06:09
>via ge-0/0/2.0
172.16.1.1/32 *[Local/0] 00:06:09
Local via ge-0/0/2.0
192.168.0.0/16 *[Aggregate/130] 00:00:06
Reject
192.168.0.0/17 *[Aggregate/130] 00:00:06
>to 172.16.1.2 via ge-0/0/2.0
192.168.50.0/24 *[Static/5] 00:00:06
>to 172.16.1.2 via ge-0/0/2.0
192.168.51.0/24 *[Static/5] 00:00:06
>to 172.16.1.2 via ge-0/0/2.0
user@router> show configuration policy-options
policy-statement demo {
term 1 {
from {
route-filter 192.168.0.0/16 longer accept;
}
then reject;
}
}
user@router> show configuration protocols ospf
export demo;
area 0.0.0.0 {
interface ge-0/0/2.0;
}
-- Exhibit --
Given the configuration and routing table shown in the exhibit, which routes will be advertised to OSPF neighbors because of the demo policy?
Question164: Which statement is correct regarding exception traffic processing?
Question165: You are asked to change the cable on interface fe-4/2/3.
Which statement is correct?
Question166: Which process is responsible for the configuration of the router and all user commands on a Junos device?
Question167: Random early detection (RED) is associated with which class of service component?
Question168: -- Exhibit --
user@router> show system alarms
1 alarms currently active
Alarm time Class Description
2013-09-14 23:54:01 UTC Minor Rescue configuration is not set
-- Exhibit --
Which command will resolve the problem shown in the exhibit?
Question169: What represents the binary equivalence of 148?
Question170: You receive an alarm that your Junos device is experiencing problems regarding temperature.
Which two commands would you use to investigate this problem? (Choose two.)
Question171: Which action does the ping 172.18.1.1 size 5 command perform?
Question172: What are two valid match criteria for a routing policy? (Choose two.)
Question173: Which configuration causes RIP-learned routes to be advertised to other RIP neighbors?
Question174: Which command will apply a policy to redistribute static routes into OSPF?
Question175: You have been asked to configure your MX240 with a default route toward your upstream ISP at IP address 192.168.100.1.
Which command successfully completes this task?
Question176: Which two login-class permissions could permit a user to view the system hierarchy of the active configuration? (Choose two.)
Question177: Which command will display only direct routes?
Question178: Which two statements are true about terms in a routing policy? (Choose two.)
Question179: What are two ways that packet fragmentation is handled differently between IPv6 and IPv4? (Choose two.)
Question180: Which word starts a command to add configuration on a Junos device?
Question181: What are three terminating actions for firewall filters? (Choose three.)
Question182: How do you ping from configuration mode?
Question183: -- Exhibit --
[edit class-of-service]
user@router# show
interfaces {
ge-0/0/2 {
unit 0 {
classifiers {
inet-precedence default;
}
}
}
}
-- Exhibit --
Referring to the exhibit, which type of classifier is being used in this CoS configuration?
Question184: Which two loopback types are supported for serial interfaces on Juniper devices? (Choose two.)
Question185: Which three commands will cause a logical interface to go administratively down after being committed?
(Choose three.)
Question186: Two devices on an Ethernet segment sent frames at the same time causing a collision.
Which two statements are true? (Choose two.)
Question187: You must segment your internal /24 network into a minimum of 12 subnets, each containing a minimum of
12 hosts.
Which network mask do you use?
Question188: Which two statements are true about static routes in the Junos OS? (Choose two.)
Question189: When troubleshooting ATM, which command would allow you to test reachability from one side of an ATM cloud to the other?
Question190: Which statement is true about the forwarding plane?
Question191: You have been asked to use a 23-bit network mask to segment the network block 209.18.12.0.
How many usable host addresses will there be per subnet?
Question192: -- Exhibit --
[edit interfaces ge-0/0/6]
user@router# show
unit 0 {
familyinet {
address 172.16.10.100/24;
address 172.16.10.101/24;
}
}
-- Exhibit --
You have two IP addresses configured on the ge-0/0/6 interface, as shown in the exhibit. You want to select the 172.16.10.101 address as the source address for packets sent from this interface to hosts on a remote subnet.
Which parameter would you add to the 172.16.10.101 address to complete this task?
Question193: Which information would you find using the CLI help function? (Choose two.)
Question194: Which two statements are true about the configure exclusive command? (Choose two.)
Question195: Why is IPv6 packet processing more effective than IPv4 packet processing?
Question196: Which command is used to display all output at once?
Question197: How does the PFE handle unicast transit traffic destined for an existing forwarding table entry?
Question198: -- Exhibit --
...
if-exceeding {
bandwidth-limit 1m;
burst-size-limit 3k;
}
then discard;
-- Exhibit --
The configuration in the exhibit is associated with which class of service component?
Question199: What is the default action for firewall filters?
Question200: -- Exhibit --
firewall {
filter select-telnet {
term 1 {
from {
source-address {
10.0.0.0/8;
}
}
then log;
}
term 2 {
from {
protocoltcp;
port telnet;
}
then {
syslog;
reject;
}
}
term 3 {
from {
source-address {
10.1.1.1/32;
}
protocoltcp;
port telnet;
}
then {
sample;
accept;
}
}
}
}
-- Exhibit --
A Telnet session is initiated from host 10.1.1.1.
What will happen when it is processed by the firewall filter shown in the exhibit?
Question201: Which class-of-service component allows you to define the bandwidth allocated to different traffic types?
Question202: -- Exhibit --
user@router> show route
inet.0: 9 destinations, 9 routes (9 active, 0 holddown, 0 hidden)
+ = Active Route, - = Last Active, * = Both
10.10.10.91/32 *[Direct/0] 00:09:40
>via lo0.0
10.10.10.92/32 *[OSPF/10] 00:01:50, metric 1
>to 172.16.1.2 via ge-0/0/2.0
100.100.1.0/24 *[Static/5] 00:01:50
Reject
172.16.1.0/24 *[Direct/0] 00:06:09
>via ge-0/0/2.0
172.16.1.1/32 *[Local/0] 00:06:09
Local via ge-0/0/2.0
192.168.0.0/16 *[Aggregate/130] 00:00:06
Reject
192.168.0.0/17 *[Aggregate/130] 00:00:06
>to 172.16.1.2 via ge-0/0/2.0
192.168.50.0/24 *[Static/5] 00:00:06
>to 172.16.1.2 via ge-0/0/2.0
192.168.51.0/24 *[Static/5] 00:00:06
>to 172.16.1.2 via ge-0/0/2.0
user@router> show configuration policy-options
policy-statement demo {
term 1 {
from {
protocol static;
route-filter 192.168.0.0/16 orlonger accept;
}
then accept;
}
}
user@router> show configuration protocols ospf
export demo;
area 0.0.0.0 {
interface ge-0/0/2.0;
}
-- Exhibit --
Given the configuration and routing table shown in the exhibit, which routes will be advertised to OSPF neighbors because of the demo policy?
Question203: By default, which character indicates the UNIX shell prompt?
Question204: Which layer in the TCP/IP model is responsible for delivering packets to their destination?
Question205: Which process is responsible for the routing protocols on a Junos device?
Question206: Which command will delete the current rescue configuration?
Question207: Which two options are reasons for using traffic classification? (Choose two.)
Question208: You have been allocated a /22 network.
How many usable hosts are available?
Question209: You have a network containing 120 routers. You must establish and maintain connectivity between the loopback interfaces of all routers. Because of the critical services using the network, you need redundancy and fast failover.
Which routing protocol should you use in this scenario?
Question210: You are troubleshooting a routing issue and need to check the hop-by-hop path to the 10.10.10.10 destination.
Which three commands would display the path? (Choose three.)
Question211: -- Exhibit --
user@router> restart
^
unknown command.
-- Exhibit --
You are investigating routing problems on a device running the Junos OS. You receive the error shown in the exhibit when you attempt to restart the routing process.
Which statement describes the problem?
Question212: What information does the help reference command provide?
Question213: Which command is used to enable access to J-Web using HTTPS?
Question214: You have configured a firewall filter with a single term matching on packets with a source address in the
10.0.0.0/24 subnet. This term only includes the count action.
Which two statements are true about traffic evaluated by this firewall filter? (Choose two.)
Question215: Which statement describes exception traffic?
Question216: -- Exhibit --
user@router> show route
inet.0: 9 destinations, 9 routes (9 active, 0 holddown, 0 hidden)
+ = Active Route, - = Last Active, * = Both
10.10.10.91/32 *[Direct/0] 00:09:40
>via lo0.0
10.10.10.92/32 *[OSPF/10] 00:01:50, metric 1
>to 172.16.1.2 via ge-0/0/2.0
100.100.1.0/24 *[Static/5] 00:01:50
Reject
172.16.1.0/24 *[Direct/0] 00:06:09
>via ge-0/0/2.0
172.16.1.1/32 *[Local/0] 00:06:09
Local via ge-0/0/2.0
192.168.0.0/16 *[Aggregate/130] 00:00:06
Reject
192.168.0.0/17 *[Aggregate/130] 00:00:06
>to 172.16.1.2 via ge-0/0/2.0
192.168.50.0/24 *[Static/5] 00:00:06
>to 172.16.1.2 via ge-0/0/2.0
192.168.51.0/24 *[Static/5] 00:00:06
>to 172.16.1.2 via ge-0/0/2.0
user@router> show configuration policy-options
policy-statement demo {
term 1 {
from {
protocol aggregate;
route-filter 192.168.0.0/16 longer;
}
then accept;
}
}
user@router> show configuration protocols ospf
export demo;
area 0.0.0.0 {
interface ge-0/0/2.0;
}
-- Exhibit --
Given the configuration and routing table shown in the exhibit, which routes will be advertised to OSPF neighbors because of the demo policy?
Question217: What is the decimal equivalent of 00000110?
Question218: Which two statements are true regarding rescue configurations? (Choose two.)
Question219: Which statement describes the PFE?
Question220: Which two are correct when configuring an IP address for a Fast Ethernet interface? (Choose two.)
Question221: Which statement is correct about policies in the Junos OS?
Question222: You are asked to change the cable on interface ge-2/1/3.
Which statement is correct?
Question223: Your network administrator has asked you to view the real-time interface usage on ge-0/0/0.
Which command would be used?
Question224: Which statement is true about terms in a policy?
Question225: -- Exhibit -

-- Exhibit --
You have been asked to establish reachability between Router 1's and Router 2's loopback addresses as shown in the exhibit.
Which two steps will accomplish this task? (Choose two.)
Question226: Which three user authentication methods are supported by the Junos OS? (Choose three.)
Question227: You have been asked to configure your router to send link-related SNMP trap notifications to the network management system (NMS) located at address 172.16.17.1.
Which two commands are required? (Choose two.)
Question228: Which command is used to load the rescue configuration?
Question229: Which statement is true about routing tables on a Junos device?
Question230: What must be configured prior to the first commit after factory defaults are loaded?
Question231: Which command do you use to display the messages seen during the last system boot?
Question232: Which command do you use to show active alarms?
Question233: Which command will silently drop a matching packet?
Question234: What are three physical interface properties? (Choose three.)
Question235: Which route filter match type only matches prefixes greater than the defined prefix?
Question236: Which statement describes an advantage of dynamic routing?
Question237: Which two statements are true regarding the role of the Routing Engine (RE)? (Choose two.)
Question238: How many host addresses are available in the 172.27.0.0/28 network?
Question239: Which word starts the command to remove configuration elements on a Junos device?
Question240: Which statement is true regarding the Junos OS?
Question241: -- Exhibit --
[edit interfaces]
user@router# show
...
lo0 {
unit 0 {
familyinet {
filter {
input protect-loopback;
}
address 192.168.100.1/32;
}
}
}
-- Exhibit --
Given the configuration shown in the exhibit, what is the function of the protect-loopback filter?
Question242: What are three examples of dynamic IGPs? (Choose three.)
Question243: A user opens a webpage that requires the transmission of packets from the Web server to the client's browser. The packets transmitted from the Web server to the client exceed the smallest MTU value on the communications path.
Which two protocol functions allow this type of communication? (Choose two.)
Question244: Which application would be suited for UDP traffic?
Question245: Which two protocols use UDP as a transport protocol by default? (Choose two.)
Question246: When using keyboard shortcuts, which single keystroke combination allows users to erase the entire current command?
Question247: Which command prompt indicates that you are in operational mode?
Question248: Which two Junos platforms provide stateful firewall functionality? (Choose two.)
Question249: -- Exhibit --
[edit]
user@router# show | compare
[edit protocols ospf area 0.0.0.0]
- interface ge-0/0/0.0 {
- disable;
- }
[edit protocols ospf]
area 0.0.0.0 { ... }
+ area 0.0.0.1 {
+ interface ge-0/0/0.0;
+ }
-- Exhibit --
Referring to the exhibit, what are two differences between the active and candidate configurations?
(Choose two.)
Question250: When using the monitor traffic command on Junos devices, which UNIX-based utility is accessed?
Question251: You are asked to change the cable on interface ge-0/2/1.
Which statement is correct?
Question252: Which two statements are true regarding routing policy processing? (Choose two.)
Question253: Which command will display the active configuration?
Question254: The authentication order configuration on your M120 includes the settings tacplus and radius (in that order), but does not include the password parameter. You attempt to log in to the device, but the network containing the authentication servers is currently down.
Which statement is true about your login attempt?
Question255: What is the binary equivalent of 242.168.94.124?
Question256: What are two examples of RE exception traffic? (Choose two.)
Question257: Which protocol creates a complete database of the network topology prior to calculating the optimal route?
Question258: Which statement is correct about the forwarding table?
Question259: Which interface type connects the control and forwarding planes on an MX Series device?
Question260: Which two prefixes would summarize the networks shown below? (Choose two.)
192.168.1.0/24
192.168.2.0/24
192.168.3.0/24
Question261: Which three functions are available under the "Maintain" tab of J-Web? (Choose three.)
Question262: Which command configures an address of 192.168.1.1 with a mask of 255.255.255.0 on interface ge-
0/0/0?
Question263: What is a valid option when using the ping command?
Question264: What are two valid actions for a routing policy? (Choose two.)
Question265: Which two statements are true when using the configure exclusive CLI command? (Choose two.)
Question266: What is a valid IPv6 address?
Question267: Which CLI command do you use to determine which files are cleanup candidates?
Question268: Which two commands would you use to discard a candidate configuration? (Choose two.)
Question269: A packet is evaluated against three user-defined terms within a firewall filter and no match is found.
What correctly describes the action the firewall filter will take for this packet?
Question270: Which three statements are true about terms in a policy? (Choose three.)
Question271: To which directory does the Junos OS write traceoptions files?
Question272: Which command do you use to navigate to [edit interfaces]?
Question273: The IP address 10.1.1.1 belongs to which class of IP address space?
Question274: Which command do you issue to upgrade the current software on Junos devices?
Question275: What is the purpose of a network mask?
Question276: In which hierarchy are routing policies defined?
Question277: Which two statements are true about the forwarding table? (Choose two.)
Question278: What are two purposes of a forwarding class? (Choose two.)
Question279: -- Exhibit --
interfaces {
ge-0/0/8 {
unit 0 {
family inet {
address 192.168.1.1/24;
}
}
}
ge-0/0/9 {
unit 0 {
family inet {
address 192.168.10.1/24;
}
}
}
}
-- Exhibit --
Referring to the exhibit, which command would you use to add an additional address to the ge-0/0/9.0 interface?
Question280: -- Exhibit --
[edit policy-options]
user@router# show
policy-statementpolicyABC {
term A {
from {
protocol rip;
route-filter 192.168.1.0/24 longer;
}
then accept;
}
}
[edit protocols ospf]
user@router# show
exportpolicyABC;
area 0.0.0.0 {
interface ge-0/0/0.0;
interface lo0.0;
}
-- Exhibit --
Referring to the exhibit, which two statements are true? (Choose two.)
Question281: What is the default protocol preference for OSPF internal routes?
Question282: When attempting to view the OSPF routes in the routing table, you issue the command show route table inet.3 but no OSPF routes are displayed.
What is the problem?
Question283: Which of the following commands will configure the maximum transmission unit size of a fast Ethernet interface?
Question284: Which layer in the OSI model is responsible for translating frames into bits?
Question285: Which two external authentication methods are supported by the Junos OS for user authentication?
(Choose two.)
Question286: Which three statements are true regarding the candidate configuration? (Choose three.)
Question287: -- Exhibit -

-- Exhibit --
Which command produces the output shown in the exhibit?
Question288: What represents the decimal equivalence of 11100101?
Question289: Which two statements are true of login classes? (Choose two.)
Question290: What represents the decimal equivalence of 11100111?
Question291: -- Exhibit --
user@router> show route protocol static
inet.0: 12 destinations, 12 routes (12 active, 0 holddown, 0 hidden)
+ = Active Route, - = Last Active, * = Both
192.168.1.0/24 *[Static/5] 00:03:13
>to 10.20.106.10 via fe-0/0/5.1
192.168.1.192/26 *[Static/5] 00:03:13
>to 10.20.14.131 via ge-0/0/0.0
192.168.1.192/27 *[Static/5] 00:03:13
>to 10.18.1.1 via ge-0/0/1.0
192.168.1.4/30 *[Static/5] 00:01:06
>to 10.20.14.130 via ge-0/0/0.0
-- Exhibit --
Using the routing table shown in the exhibit, what will be the next-hop IP address used for a destination IP address of 192.168.1.1? (Assume that the only routes to this destination are static routes.)
Question292: Which statement is true regarding the Junos OS?
Question293: You have been assigned the /24 network and need to segment it into at least 60 subnets.
Which network mask meets this requirement?
Question294: Which statement is correct about the validate option when upgrading JUNOS software?
Question295: You have configured a firewall filter with a single term matching on packets with a source address in the
10.0.0.0/24 subnet. This term only includes the count action.
Which two statements are true about traffic evaluated by this firewall filter? (Choose two.)
Question296: -- Exhibit --
[edit interfaces ge-0/0/1]
user@router# show
unit 100 {
vlan-id 100;
family inet {
address 10.1.1.1 /24;
}
}
[edit interfaces ge-0/0/1]
user@router# commit check
[edit interfaces ge-0/0/1]
'unit 100'
Only unit 0 is valid for this encapsulation
error: configuration check-out failed
-- Exhibit --
Referring to the exhibit, you are unable to commit the configuration for the ge-0/0/1 interface.
What must you do to commit the configuration?
Question297: Which statement is true about the routing table?
Question298: You are configuring a new BGP neighbor and want to view the configuration of interface ge-0/0/0.42.
Which command do you use to achieve this result?
Question299: For the interface ge-1/2/3.4, what does "ge" represent?
Question300: Which routing table stores IPv4 unicast routes and is used by multicast routing protocols to prevent loops?
Question301: How do you save the current candidate configuration in the set format to permanent storage media?
Question302: Which two statements about subnet masks are true? (Choose two.)
Question303: What is the central processing component of the forwarding plane?
Question304: What are three characteristics of UDP? (Choose three.)
Question305: -- Exhibit --
user@router# run show interfaces terse
Interface Admin Link Proto Local
fe-0/0/0 up up
fe-0/0/0.0 up upinet 10.0.39.2/24
iso
mpls
fe-0/0/1 up up
fe-0/0/1.0 up upinet 10.0.18.2/24
fe-0/0/1.5 down up inet 10.0.19.2/24
-- Exhibit --
An administrator is unable to ping any address on the 10.0.19.0/24 subnet. To identify the problem, the administrator uses the command shown in the exhibit.
Which step should be taken to solve the problem?
Question306: Which two statements are correct about firewall filters in the Junos OS? (Choose two.)
Question307: What is a valid multicast MAC address?
Question308: Which two statements are true regarding route preference? (Choose two.)
Question309: What are two Junos processes? (Choose two.)
Question310: What is the default import routing policy for OSPF?
Question311: How can you verify that you have correctly configured SSH access to your Junos device?
Question312: Which two statements describe the forwarding table in the Junos OS? (Choose two.)
Question313: Which statement is true regarding syslog on Junos devices?
Question314: Which command displays the current temperature of a Junos device's components?
Question315: What are three firewall filter terminating actions? (Choose three.)
Question316: Which three protocols use UDP as a transport protocol by default? (Choose three.)
Question317: -- Exhibit --
{master:0}[edit interfaces]
user@switch# show
me0 {
disable;
unit 0 {
familyinet {
address 10.1.1.10/24;
}
}
}
-- Exhibit --
Administrators report that they are unable to access the management interface of the EX Series device shown in the exhibit.
Which command will resolve this problem?
Question318: -- Exhibit --
user@router# run show route /24
inet.0: 142 destinations, 142 routes (141 active, 0 holddown, 1 hidden)
+ = Active Route, - = Last Active, * = Both
/24 *[OSPF/10] 04:10:20
>to 172.25.213.11 via ge-1/0/1.0
to 172.25.213.23 via ge-1/0/2.0
-- Exhibit --
In the exhibit, what does the (>) symbol indicate?
Question319: In the MAC address 00: : :9f:eA. , what represents the Organizationally Unique Identifier (OUI)?
Question320: What is an advantage of multiple software processes running in the Junos OS?