Juniper Juniper Certifications JN0-104 Questions & Answers

• Question 271:

  Which statement about the forwarding table is correct?

  A. It contains all known routes including IPv6

  B. It is only available on the PFE

  C. It is only available on the RE

  D. It is available on both the RE and the PFE.

  Correct Answer: B

• Question 272:

  You are asked to determine when a Junos device was booted. Which command would you use to obtain this information?

  A. show system statistics

  B. show system commit

  C. show system information

  D. show system uptime

  Correct Answer: D

• Question 273:

  Which layer of the OSI model does a router use to make forwarding decisions?

  A. Layer 3

  B. Layer 4

  C. Layer 5

  D. Layer 2

  Correct Answer: A

• Question 274:

  Which command allows multiple users to edit a configuration while conning only their unique changes?

  A. configure exclusive

  B. configure batch

  C. configure private

  D. configure dynamic

  Correct Answer: C

  The configure private command allows multiple users to edit different parts of a configuration at the same time and commit only their changes or roll back, without interfering with each other's changes. When the configure private command is used, you work in a private candidate configuration, which is a copy of the most recently committed configuration. https://kb.juniper.net/InfoCenter/index?page=contentandid=KB19653andactp=METADATA

• Question 275:

  Click the Exhibit button.

  

  User 1 pings Router C to determine its status.

  Which router shown in the exhibit, treats the traffic generated by the ping command as exception traffic?

  A. Router A

  B. Router B

  C. Router D

  D. Router C

  Correct Answer: A

• Question 276:

  By default, which Junos directory contains the primary syslog file?

  A. /var/syslog

  B. /var/home

  C. /var/log

  D. /var/tmp

  Correct Answer: C

  Ref: Junos-OS Overview for Junos OS | Juniper Networks

  Page 23

  "...

  /var--This directory is located either on the hard drive (device wd2) or internal flash storage. It contains the following subdirectories:

  ...

  /log--Contains system log and tracing files.

  ..."

• Question 277:

  What will the request system configuration rescue save command accomplish?

  A. It will generate support information for JTAC.

  B. It will save a copy of the configuration so that you can go back to it at any time

  C. It will prevent 2 commit from happening

  D. It will restore your system to factory default settings.

  Correct Answer: B

• Question 278:

  Which two statements about routing policies are correct? (Choose two.)

  A. An import policy is used to control incoming traffic on a specific interface.

  B. An export policy determines the routes in the local routing table that are advertised to peers.

  C. An import policy is used to control routes that are accepted by the local routing table.

  D. An export policy is used to control outgoing traffic on a specific interface.

  Correct Answer: BC

  Ref: Understanding Routing Policies | Junos OS | Juniper Networks

  "Understanding Routing Policies

  ...

  Importing and Exporting Routes

  Two terms--import and export--explain how routes move between the routing protocols and the routing table.

  When the Routing Engine places the routes of a routing protocol into the routing table, it is importing routes into the routing table.

  When the Routing Engine uses active routes from the routing table to send a protocol advertisement, it is exporting routes from the routing table.

  ..."

• Question 279:

  What information is provided by the show route forwarding-table command?

  A. the routing table stored on the RE

  B. the protocol from where the route was learned

  C. the outgoing interface(s) associated with the destination prefixes

  D. the number of routes that are active, hidden, or in a hold-down state

  Correct Answer: C

• Question 280:

  Click the Exhibit button

  

  Referring to the exhibit, you are unable to reach devices in the 172.19.25.0/28 subnet. What should you do to solve this problem?

  A. Enable the ge-0/0/2 interface.

  B. Enable the ge-0/0/2.2 interface.

  C. Enable the ge-0/0/2.0 interface.

  D. Enable the ge-0/0/2.1 interface.

  Correct Answer: C