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Junos - Associate (JNCIA-Junos) Question and Answers

Junos - Associate (JNCIA-Junos)

Last Update May 5, 2024
Total Questions : 97

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Questions 1

Exhibit

user@router> show route 192.168.100.2

inet.O: 15 destinations, 17 routes (15 active, 0 holddown, 0 hidden) Limit/Threshold: 1048576/1048576 destinations

+ = Active Route, - = Last Active, * = Both 192.168.100.2/32*[OSPF/IO] 00:14:29, metric 1

> to 172.16.1.6 via ge-0/0/1.0 [BGP/170] 00:06:49, localpref 100

AS path: 65102 I, validation-state: unverified > to 172.16.1.6 via ge-0/0/1.0

Referring to the exhibit, which statement is correct?

Options:

A.  

The BGP path is the only active route.

B.  

The BGP route is preferred over the OSPF route.

C.  

The OSPF path is the only active route.

D.  

/ Traffic is load-balanced across two routes.

Discussion 0
Questions 2

Exhibit

{hold:node0}[edit]

root# set system root-authentication ?

Possible completions:

+ apply-groups         Groups from which to inherit configuration data

+ apply-groups-except  Don't inherit configuration data from these groups

  encrypted-password   Encrypted password string

  load-key-file        File (URL) containing one or more ssh keys

  plain-text-password  Prompt for plain text password (autoencrypted)

> ssh-dsa              Secure shell (ssh) DSA public key string

> ssh-rsa              Secure shell (ssh) RSA public key string

{hold:node0}[edit]

root# set system root-authentication plain-text-password

New password:

Retype new password:

{hold:node0}[edit]

root# commit and-quit

[edit interfaces]

  'ge-0/0/0'

     HA management port cannot be configured

error: configuration check-out failed

{hold:node0}[edit]

root#

You are unable to remotely access your Juniper device using the CLI.

Referring to the exhibit, which command would you add to the existing configuration to enable remote CLI access?

Options:

A.  

load factory-default

B.  

set system root-authentication plain-text-password

C.  

set system services ssh

D.  

set system login idle-timeout 20

Discussion 0
Questions 3

What is the primary system log file that is present in the default configuration of a Junos device?

Options:

A.  

kmd

B.  

messages

C.  

vrrp

D.  

jsrpd

Discussion 0
Questions 4

Which process in the Junos OS is responsible for device management tasks including the CLI and commit operations?

Options:

A.  

mgd

B.  

chassisd

C.  

rpd

D.  

dcd

Discussion 0
Questions 5

Which two statements are correct about Junos traceoptions? (Choose two.)

Options:

A.  

Traceoptions cannot be enabled in a production environment.

B.  

Traceoptions are enabled through configuration.

C.  

Traceoptions are enabled by default.

D.  

Traceoption output, by default, is stored in /var/iog/.

Discussion 0
Questions 6

What will the request system configuration rescue save command do?

Options:

A.  

It saves the most recently committed configuration as the rescue configuration.

B.  

It saves the candidate configuration as the rescue configuration.

C.  

It saves a configuration version prior to the configuration most recently committed as the rescue configuration.

D.  

It activates the rescue configuration.

Discussion 0
Questions 7

Which character is used to filter the command output in the Junos CLI?

Options:

A.  

|

B.  

>

C.  

<

D.  

?

Discussion 0
Questions 8

You are creating a new policy to accept and redistribute routes into your IGP.

In this scenario, which match criteria would you use to identify the route prefixes to select?

Options:

A.  

instance

B.  

route-type

C.  

neighbor

D.  

route-filter

Discussion 0
Questions 9

Your network infrastructure transports data, voice, and video traffic. Users are complaining that voice and video calls are not performing to their expectations.

In this scenario, which technology would you implement to improve voice and video performance on your network?

Options:

A.  

NAT

B.  

CoS

C.  

STP

D.  

IPv6

Discussion 0
Questions 10

What are two link-state routing protocols? (Choose two.)

Options:

A.  

RIP

B.  

BGP

C.  

OSPF

D.  

IS-IS

Discussion 0
Questions 11

Which Junos OS component is responsible for maintaining the forwarding table?

Options:

A.  

Routing Engine

B.  

chassis control daemon

C.  

Packet Forwarding Engine

D.  

management daemon

Discussion 0
Questions 12

Which command displays all IPv6 routes in the default routing instance?

Options:

A.  

showroute table inet.0

B.  

showroute table inet6.1

C.  

showroute table inet.l

D.  

showroute table inet6.0

Discussion 0
Questions 13

Which Junos feature limits the amount of exception traffic that is sent from the PFE to the RE?

Options:

A.  

scheduler

B.  

policer

C.  

CoS markings

D.  

routing policy

Discussion 0
Questions 14

You issue the telnet 10.10.10.1 source 192.168.100.1 command.

Which two statements are correct in this scenario? (Choose two.)

Options:

A.  

The telnet session will have a source address of 10.10.10.1.

B.  

The telnet session will have a destination address of 192.168.100.1.

C.  

The telnet session will have a destination address of 10.10.10.1.

D.  

The telnet session will have a source address of 192.168.100.1.

Discussion 0
Questions 15

You have configured some interfaces on a Junos device; however, you have not yet committed the configuration.

What happens if you issue the rollback 0 command in this scenario?

Options:

A.  

The messages.log file is deleted.

B.  

The factory default configuration is loaded.

C.  

The Junos device is rebooted.

D.  

The interface changes you made are discarded.

Discussion 0
Questions 16

Which two actions happen when multiple users issue the configure exclusive command to enter configuration mode on a Junos device? (Choose two.)

Options:

A.  

Other users can enter configuration mode.

B.  

The candidate configuration is unlocked.

C.  

The candidate configuration is locked.

D.  

Other users cannot enter configuration mode.

Discussion 0
Questions 17

Which criteria does the Junos OS use to select an active route when two entries exist in the routing table?

Options:

A.  

the route with the lowest preference number

B.  

the most recently learned dynamic route

C.  

the route with the highest preference number

D.  

the route with the highest metric

Discussion 0
Questions 18

Which two common routing policy actions affect the flow of policy evaluation? (Choose two.)

Options:

A.  

next policy

B.  

community

C.  

next term

D.  

next hop

Discussion 0
Questions 19

Which two components are included in a transport header? (Choose two.)

Options:

A.  

destination port number

B.  

source MAC address

C.  

source port number

D.  

destination MAC address

Discussion 0
Questions 20

You are asked to view the real-time usage statistics for the busiest interfaces on a device running Junos OS.

Which command will achieve this task?

Options:

A.  

monitor traffic absolute-sequence

B.  

monitor interface traffic

C.  

monitor traffic

D.  

show interfaces extensive

Discussion 0
Questions 21

Which statement is correct when multiple users are configuring a Junos device using the configure private command?

Options:

A.  

A commit by any user will commit changes made by all active users.

B.  

A commit will not succeed until there is only a single user in configuration mode.

C.  

Each user gets their own candidate configuration.

D.  

Each user shares the same candidate configuration.

Discussion 0
Questions 22

Your router has a route to the 10.1.1.0/24 network with a next hop of r jet.

In this scenario, which action will your router perform when traffic destined to the 10.1.1.0/24 network is received?

Options:

A.  

The traffic will be discarded and an ICMP unreachable message will be sent to the destination of the traffic.

B.  

The traffic will be discarded and an ICMP unreachable message will be sent to the source of the traffic.

C.  

The traffic will be redirected using a default route.

D.  

The traffic will be silently discarded.

Discussion 0
Questions 23

What are two examples of exception traffic? (Choose two.)

Options:

A.  

transit packets

B.  

routing updates

C.  

log messages

D.  

ping to the local device

Discussion 0
Questions 24

You are trying to diagnose packet loss at interface ge-0/0/3.

In this scenario, which command would help you view error statistics in real time?

Options:

A.  

show interface terse

B.  

show interface ge-0/0/3

C.  

monitor interface traffic

D.  

monitor interface ge-0/0/3

Discussion 0
Questions 25

Which two addresses are included in an Ethernet frame header? (Choose two.)

Options:

A.  

source IP address

B.  

source MAC address

C.  

destination IP address

D.  

destination MAC address

Discussion 0
Questions 26

In the Junos OS, which keyboard shortcut allows you to move to the start of the line?

Options:

A.  

Ctrl+a

B.  

Ctrl+e

C.  

Ctrl+w

D.  

Ctrl+k

Discussion 0
Questions 27

Which two statements are correct about the empioyee@Ri> prompt? (Choose two.)

Options:

A.  

R1 is the hostname of your device.

B.  

You are in operational mode.

C.  

You are in configuration mode.

D.  

You are at a shell prompt.

Discussion 0
Questions 28

You want to redeploy a Junos device by clearing the existing configuration and resetting it to factory defaults.

In this scenario, which command would help to accomplish this task?

Options:

A.  

show system storage

B.  

request systemstorage cleanup

C.  

request systemstorage cleanup dry-run

D.  

request systemzeroize media

Discussion 0
Questions 29

How many login classes are assignable to a user account?

Options:

A.  

3

B.  

2

C.  

4

D.  

1

Discussion 0