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Juniper JN0-342 Exam - Juniper Networks Certified Internet Associate (JNCIA-ER)

Questions & Answers for Juniper JN0-342

Showing 1-15 of 120 Questions

Question #1 - Topic 0

Which configuration example represents a services interface configured for a MLPPP
bundle on a J-series router?

A. ml-0/0/0 { unit 0 { family inet { address; }

B. lsq-0/0/0 { unit 0 { family inet { address; }

C. sp-0/0/0 { unit 0 { family inet { address; }

D. ls-0/0/0 { unit 0 { family inet { address; }

Question #2 - Topic 0

Which routing table is used for all IPv4 unicast forwarding?

A. inet.0

B. inet4.0

C. ipv4.0

D. forwarding.0

Question #3 - Topic 0

Which two statements are true for M7i and M10i routers? (Choose two.)

A. The M7i and M10i routers are equipped with the Internet Processor II.

B. The M7i and M10i routers are always equipped with fixed GE interfaces.

C. The M7i and M10i routers support GE, ATM and other physical interface cards (PICs).

D. The M7i and M10i routers cannot provide line rate performance on GE and ATM interfaces.

Question #4 - Topic 0

Which three statements are true regarding VRRP communications? (Choose three.)

A. VRRP communication occurs every second by default.

B. VRRP communication is confined to the local subnet for which VRRP is configured.

C. VRRP communication uses broadcast until the group is established at which point it uses unicast.

D. VRRP communication occurs as needed and there is no set interval for communication between VRRP routers.

E. VRRP communication between VRRP routers occurs only if the VRRP group identifier and authentication parameters match on both ends.

Question #5 - Topic 0

On a J-series router, where is the JUNOS software located?


B. Zip drive

C. hard drive

D. compact flash

Question #6 - Topic 0

What are two ways to create a rescue configuration on a J-series router? (Choose two.)

A. Use the J-Web System > Rescue menu.

B. Use the J-Web Configuration > Rescue menu.

C. Issue the configure rescue save command.

D. Issue the request system configuration rescue save command.

Question #7 - Topic 0

Which CLI command displays the amount of free space on the router's Compact Flash?

A. show flash

B. show storage

C. show system flash

D. show system storage

Question #8 - Topic 0

When performing password recovery, which command should be entered at the boot

A. boot -s

B. boot -r

C. boot single

D. boot recovery

Question #9 - Topic 0

Which three statements are true regarding the DHCP address pool definition? (Choose

A. The pool is user-defined.

B. The pool definition can specifically exclude addresses.

C. The pool defines IP address to MAC address mappings for the network.

D. The pool is dynamically created based on interface address and subnet mask definitions.

E. The pool defines a group of addresses which will be dynamically assigned based on client requests.

Question #10 - Topic 0

Which three steps are considered part of the initial configuration? (Choose three.)


B. hostname

C. root password

D. user password

E. management access interface

Question #11 - Topic 0

Which two statements about the track configuration option are correct? (Choose two.)

A. The track option monitors interfaces as defined by the user.

B. The track option monitors all interfaces participating in VRRP.

C. The track option allows for a reduction of the priority value if the monitored interface goes down.

D. The track option causes syslog entries to be written in the messages log file, if the monitored interface goes down.

Question #12 - Topic 0

Which statement describes how transit packets are handled on a J-series router?

A. They are only examined by the PICs.

B. They are treated the same as host packets.

C. They are processed by the forwarding daemons.

D. They are reassembled into ATM cells across the router.

Question #13 - Topic 0

Which command copies the factory-default files to your backup media?

A. request system snapshot rescue

B. request system snapshot factory

C. request system snapshot default

D. request system snapshot as-primary

Question #14 - Topic 0

What are three reasons for using a routing policy? (Choose three.)

A. You want to rate limit ICMP packets to the router.

B. You want to modify the rate of route advertisements.

C. You want to modify information associated with a route.

D. You want one protocol to receive routes from another protocol.

E. You do not want to import all learned routes into the routing table.

Question #15 - Topic 0

You have just issued the command commit confirmed 15 and-quit and your network
continues to be operational with no further changes required. A short time later, users start
complaining about network problems. Which commands (in order) need to be entered to
resolve this issue?

A. >commit confirmed

B. >configure #confirm and-quit

C. >configure #rollback 1 #commit

D. >configure #commit confirmed 15 and-quit


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