Juniper Juniper Certifications JN0-690 Questions & Answers

• Question 31:

  Which route would a packet destined to 192.168.14. take?

  A. 192.168.14.0/24 *[BGP/100]

  B. 192.168.14.0/24 *[BGP/70]

  C. 192.168.14.0/24 *[BGP/200]

  D. 192.168.64.0/21 *[Direct/0]

  Correct Answer: B

• Question 32:

  By default, in which table are OSPF routes stored on a Junos device?

  A. inet.0

  B. inet.1

  C. inet.2

  D. inet.3

  Correct Answer: A

• Question 33:

  An OSPF neighbor is stuck in the Exchange state. Which condition would cause this to happen?

  A. a mismatched area

  B. mismatched authentication

  C. a mismatched IP subnet

  D. a mismatched MTU

  Correct Answer: D

• Question 34:

  Two neighboring routers running OSPF were configured with the same router ID by mistake. Which OSPF operational mode command would report the number of hello packets received with the local router's router ID?

  A. show ospf route

  B. show ospf log

  C. show ospf statistics

  D. show ospf io-statistics

  Correct Answer: C

• Question 35:

  Which two statements are correct about the show ospf route and the show route protocols ospf commands? (Choose two.)

  A. show ospf route displays the entries in the Open Shortest Path First (OSPF) routing table.

  B. show route protocols ospf displays the route entries in the routing table that were learned through OSPF.

  C. show ospf route displays the route entries in the routing table that were learned through OSPF.

  D. show route protocols ospf displays the entries in the Open Shortest Path First (OSPF) routing table.

  Correct Answer: AB

• Question 36:

  Which two tools would be used to troubleshoot BGP peering problems? (Choose two.)

  A. traceoptions

  B. the monitor traffic interface command

  C. the inet.3 routing table

  D. the link-state database

  Correct Answer: AB

• Question 37:

  A client has reported that they cannot establish an FTP connection to your Junos device. Which command would you use to diagnose the problem?

  A. show interfaces terse

  B. monitor interface traffic

  C. monitor traffic interface

  D. show interfaces extensive

  Correct Answer: C

• Question 38:

  An interface on your Junos device reports a device-level flag of Loopback-detected. What is causing this flag to be reported?

  A. The link-layer protocol failed to successfully connect with the remote endpoint.

  B. The interface was administratively disabled.

  C. The interface is in promiscuous mode and sees frames addressed to all physical addresses on the medium.

  D. The interface link layer received its own frames.

  Correct Answer: D

• Question 39:

  Which two features would be deployed to prevent DoS attacks? (Choose two.)

  A. Bidirectional Forward Detection (BFD)

  B. ARP policer

  C. loopback filter

  D. periodic packet management (PPM)

  Correct Answer: BC

• Question 40:

  Which three commands will provide details about CPU utilization on a line card? (Choose three.)

  A. show chassis fpc

  B. show chassis hardware

  C. request pfe execute target fpc1 command "show sched"

  D. request pfe execute target fpc1 command "show thread"

  E. request pfe execute target fpc1 command "show arp"

  Correct Answer: ACD