Juniper Juniper Certifications JN0-104 Questions & Answers

• Question 251:

  Which component is responsible for performing protocol updates and system management?

  A. forwarding tables

  B. Routing Engine

  C. bridging table

  D. Packet Forwarding Engine

  Correct Answer: B

  The Routing Engine is the brain of the platform. It is responsible for performing protocol updates and system management. The Routing Engine runs various protocol and management software processes that reside inside a protected memory environment.

  https://www.coursera.org/lecture/juniper-automation-xml/junos-os-basic-design-architecture- T3hpf#:~:text=The%20Routing%20Engine%20is%20the,inside%20a%20protected%20memory% 20environment.

• Question 252:

  Which statement regarding transit traffic processing is correct?

  A. Transit traffic is processed by both the control plane and forwarding plane.

  B. Transit traffic is only processed by the control plane.

  C. Transit traffic is only processed by the forwarding plane

  D. Transit traffic is not processed by the local device.

  Correct Answer: C

• Question 253:

  Click the Exhibit button.

  

  Which operational mode command in Junos OS produces the output shown in the exhibit?

  A. show system users

  B. show system connections

  C. show system commit

  D. show system reboot

  Correct Answer: C

• Question 254:

  Which command allows you to execute operational mode commands while in configuration mode?

  A. activate

  B. show

  C. run

  D. set

  Correct Answer: C

  https://help.ui.com/hc/en-us/articles/204960094-EdgeRouter-Configuration-and-Operational- Mode#:~:text=If%20you%20wish%20to%20run,Mode%2C%20use%20the%20run%20com mand. If you wish to run an Operational Mode command from while in Configuration Mode, use the run command. https://www.juniper.net/documentation/en_US/src4.10/topics/task/operational/cli-modes- switching.html

• Question 255:

  Which step is required when performing a Junos software upgrade?

  A. You must create a user account named maintenance-user.

  B. You must reboot the device

  C. You must load the factory default configuration

  D. You must zeroize the device.

  Correct Answer: B

  "To activate the new software, you must reboot the system. You can perform the system reboot as a separate step or you can initiate it by adding the reboot option at the end of the request system software add command. " https:// douran.academy/wp- content/uploads/ebooks/jnica-junos-study-guide-part1.pdf

• Question 256:

  Which default login class should you select if you want the user to edit configuration files?

  A. read-only

  B. unauthorized

  C. super-user

  D. operator

  Correct Answer: C

• Question 257:

  Which statement about the Junos OS forwarding table is correct?

  A. The forwarding table consolidates routes from multiple sources.

  B. The forwarding table is populated with active routes from the routing table

  C. The forwarding table is responsible for identifying and selecting active routes.

  D. The forwarding table is only stored on the Routing Engine.

  Correct Answer: B

  Ref: Junos OS Routing and Forwarding Tables | Junos OS | Juniper Networks

  "Junos OS Routing and Forwarding Tables

  ...

  A major function of the Junos OS routing protocol process is to maintain the Routing Engine's routing tables and use these tables to determine the active routes to network destinations. The routing protocol process then installs these routes

  into the Routing Engine's forwarding table.

  ..."

• Question 258:

  Which protocol is responsible for learning an IPv6 neighbor's IMAC address?

  A. Neighbor Discovery Protocol (NDP)

  B. Media Access Control Security (MACsec)

  C. Address Resolution Protocol (ARP)

  D. Network Address Translation (NAT)

  Correct Answer: B

• Question 259:

  Click the Exhibit button.

  -- Exhibit -user@router> restart

  ^

  unknown command.

  -- Exhibit -You are troubleshooting a routing issue on a device running Junos. You receive the error shown in the exhibit when you attempt to restart the routing process.

  Which statement describes the problem?

  A. The routing process can only be restarted from configuration mode.

  B. You do not have permission to restart the routing process.

  C. The routing process must be restarted from the shell.

  D. You have typed an invalid command.

  Correct Answer: B

• Question 260:

  You are asked to configure filter-based forwarding. Which routing-instance type would you use?

  A. VRF

  B. virtual router

  C. non-forwarding

  D. forwarding

  Correct Answer: D