Juniper Juniper Certifications JN0-348 Questions & Answers

• Question 61:

  Which two situations would cause dynamic ARP inspection to drop traffic? (Choose two.)

  A. if no IP-to-MAC address entry exists in the DHCP snooping database

  B. if the IP address in the ARP packet is deemed invalid

  C. if the requested MAC address exceeds the configured limit on the port

  D. if the ARP packet comes from a port that has been configured as trusted

  Correct Answer: AB

• Question 62:

  Which device is used to separate collision domains?

  A. switch

  B. router

  C. hub

  D. firewall

  Correct Answer: A

• Question 63:

  What is the default BGP group type on a Junos device?

  A. internal

  B. external

  C. multihop

  D. null

  Correct Answer: B

• Question 64:

  You want to advertise only a default route into a new area, which will be called area 7. In this scenario, which configuration statement would solve this problem?

  A. user@host# set protocols ospf area 0.0.0.7 nssa default-lsa default-metric 10

  B. user@host# set protocols ospf area 0.0.0.7 stub no-summaries

  C. user@host# set protocols ospf area 0.0.0.7 stub default-metric 10

  D. user@host# set protocols ospf area 0.0.0.7 stub

  Correct Answer: A

• Question 65:

  Which static route next-hop value indicates that the packet will be silently dropped?

  A. resolve

  B. discard

  C. reject

  D. next-table

  Correct Answer: B

• Question 66:

  Which area is reserved for the OSPF backbone?

  A. Area 0.0.0.0

  B. Area 1.1.1.1

  C. Area 2.2.2.2

  D. Area 3.3.3.3

  Correct Answer: A

• Question 67:

  You want to configure your Junos device so that routing information from certain prefixes on a neighboring router are ignored.

  What should you configure on your device?

  A. It interface

  B. firewall rule

  C. martian address

  D. vt interface

  Correct Answer: C

• Question 68:

  Which three mechanisms are associated with the bridging process? (Choose three.)

  A. blocking

  B. flooding

  C. aging

  D. filtering

  E. listening

  Correct Answer: BCD

• Question 69:

  Your network connections to the Internet through two different ISPs using EBGP. You must ensure that ISP1 is the primary path used for all traffic entering your network while using ISP2 as a backup path.

  In this scenario, which statement is correct?

  A. You should use a lower MED value on routes sent to ISP1.

  B. You should assign a higher local preference on routes that you are sending to ISP1.

  C. You should change the next hop for all routers sent to ISP2.

  D. You should prepend your local AS number three times on routes that you are sending to ISP2.

  Correct Answer: D

• Question 70:

  You configured a GRE tunnel that traverses a path using default MTU settings. You want to ensure that packets are not dropped of fragmented.

  In this scenario, what is the maximum packet size that would traverse the GRE tunnel?

  A. 1500

  B. 1400

  C. 1524

  D. 1476

  Correct Answer: D