Juniper Juniper Certifications JN0-103 Questions & Answers

• Question 91:

  The marketing team needs access to a server on a subnet 172.0.46.0/24. The next-hop router is 10.0.4.2/30. A static route on their gateway has been configured to accomplish the task. You want to keep the static route from being redistributed into dynamic routing protocols.

  Which command will satisfy this requirement?

  A. Set routing-options static route 172.0.46.0/24 next-hop 10.0.4.2/30 no-resolve

  B. Set routing-options static route 172.0.46.0/24 next-hop 10.0.4.2/30

  C. Set routing-options static route 172.0.46.0/24 next-hop 10.0.4.2/30 no-readvertise

  D. Set routing-options static route 172.0.46.0/24 next-hop 10.0.4.2/30 no-redistribute

  Correct Answer: C

• Question 92:

  

  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?

  A. [edit firewall]user@router# showpolicer LIMIT-MAL-USER {if-exceeding {bandwidth-limit 400k;burstsize-limit 100k;}then discard;}familyinet {filter STOP-MAL-USER {term one {from {source-address {100.100.100.10/32;}destination-address {200.200.200.0/24;}}thenpolicer LIMIT-MAL-USER;}term two {then accept;}}}

  B. [edit firewall]user@router# showpolicer LIMIT-BAD-USER {if-exceeding {bandwidth-limit 400k;burstsize-limit 100k;}then discard;}familyinet {filter STOP-MAL-USER {term one {from {source-address {100.100.100.10/32;}destination-address {200.200.200.0/24;}}thenpolicer LIMIT-MAL-USER;}term two {then accept;}}}

  C. [edit firewall]user@router# showpolicer LIMIT-MAL-USER {if-exceeding {bandwidth-limit 400k;burstsize-limit 100k;}then discard;}familyinet {filter STOP-MAL-USER {term one {from {source-address {100.100.100.10/32;}destination-address {200.200.200.0/24;}}thenpolicer LIMIT-MAL-USER;}term two {then reject;}}}

  D. [edit firewall]user@router# showpolicer LIMIT-MAL-USER {if-exceeding {bandwidth-limit 400k;burstsize-limit 100k;}then discard;}familyinet {filter STOP-MAL-USER {term one {from {source-address {200.200.200.0/24;}destination-address {100.100.100.10/32;}}thenpolicer LIMIT-MAL-USER;}term two {then accept;}}}

  Correct Answer: A

• Question 93:

  What are two valid actions for a routing policy? (Choose two.)

  A. discard

  B. next policy

  C. accept

  D. ignore

  Correct Answer: BC

• Question 94:

  Which statement is true about routing tables on a Junos device?

  A. They purge any routes not selected as active routes.

  B. They exist in two places: the Routing Engine and the Packet Forwarding Engine.

  C. They are exclusively designed to handle dynamic routing protocols.

  D. They populate the forwarding table.

  Correct Answer: D

• Question 95:

  Which user authentication method is supported by the Junos OS as a last resort alternative?

  A. TACACS+

  B. RADIUS

  C. local user database

  D. enable password

  Correct Answer: C

• Question 96:

  Which login class permission will allow a user to use the telnet utility?

  A. network permission

  B. maintenance permission

  C. supervisor permission

  D. shell permission

  Correct Answer: A

• Question 97:

  Which statement is true about the forwarding plane?

  A. The forwarding plane is the intelligence of the platform.

  B. The forwarding plane is based on an X86 architecture.

  C. The forwarding plane maintains the routing tables, bridging table, and primary forwarding table.

  D. The forwarding plane implements policers, stateless firewall filters, and class of service.

  Correct Answer: D

• Question 98:

  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?

  A. permissions [ view-configuration clear network view ];allow-configuration "(interfaces) | (routing-options) | (policy-options) | (protocols)";

  B. permissions [ view-configuration clear network view ];allow-commands "(configure)";

  C. permissions [ view-configuration clear network view ];allow-commands "(configure)";allow-configuration "(interfaces) | (routing-options) | (protocols)";

  D. permissions [ clear network view ];allow-commands "(configure)";allow-configuration "(interfaces) | (routing-options) | (protocols)";

  Correct Answer: C

• Question 99:

  Which command will silently drop a matching packet?

  A. set routing-options static route 10.1.1.1/32 no-retain

  B. set routing-options static route 10.1.1.1/32 discard

  C. set routing-options static route 10.1.1.1/32 reject

  D. set routing-options static route 10.1.1.1/32 passive

  Correct Answer: B

• Question 100:

  Which two statements are true regarding the role of the Routing Engine (RE)? (Choose two.)

  A. The RE controls and monitors the chassis.

  B. The RE manages the Packet Forwarding Engine (PFE).

  C. The RE receives a copy of the forwarding table from the forwarding plane.

  D. The RE implements class of service (COS).

  Correct Answer: AB