Juniper Juniper Certifications JN0-660 Questions & Answers

• Question 221:

  Click the Exhibit button.

  

  R2 is announcing the 10.200/16 network to its IS-IS neighbors. No routing policies have been applied to R3. Referring to the exhibit, will R5 have 10.200/16 as an IS-IS route?

  A. Yes; IS-IS level 2 externals are passed from level 2 to level 1 by default.

  B. No; IS-IS level 2 externals are only passed to level 1 if wide-metrics-only is configured on all routers.

  C. Yes; all level 2 routing information is shared throughout an IS-IS domain by default.

  D. No; IS-IS does not announce routes from level 2 to level 1 unless a routing policy is applied.

  Correct Answer: D

• Question 222:

  In an interdomain multicast deployment scenario, an RP1 is in AS1 and an RP2 is in AS2. MSDP is configured between RP1 and RP2.In which routing table on RP1 are source-active messages (SAs) received from RP2 by default?

  A. inet.0

  B. inet.2

  C. inet.1

  D. inet.4

  Correct Answer: D

• Question 223:

  Click the Exhibit button.

  

  R3 and R4 want to establish an EBGP session between each other's loopback addresses. They have each configured static routes to the other's loopback address and can ping from loopback to loopback. Their EBGP session is configured with correct neighbor and local addresses. The correct AS numbers have been specified at the [routing-options] hierarchy as well. Considering the topology in the exhibit, which statement is true?

  A. BGP's protocol preference must be adjusted to be lower than protocol static for the session to establish.

  B. Each side must configure multipath for the session to establish.

  C. Each peer must specify a local-as within their EBGP configuration for the session to establish.

  D. Each peer must configure multihop for the session to establish.

  Correct Answer: D

• Question 224:

  Click the Exhibit button.

  

  In the exhibit, R1 is a route reflector and R2 through R5 are clients in a full mesh configuration. R2 should only receive one copy of all routes sent from R5.Which configuration is valid?

  

  A. Option A

  B. Option B

  C. Option C

  D. Option D

  Correct Answer: C

• Question 225:

  Click the Exhibit button.

  

  A customer is using the Layer 3 VPN multicast technology shown in the exhibit. Which statement is true?

  A. PE6 sends a BGP NG-MVPN NLRI Type 5 message upon receiving a *,G join on its VRF interface.

  B. PE6 sends a BGP NG-MVPN NLRI Type 7 message upon receiving an S,G join on its VRF interface.

  C. The P2MP sub LSP reduces the traffic load on the interface between PE2 and PE5.

  D. PE6 signals PE2 through MBGP to include the I-PMSI tree on its P2MP sub LSP.

  Correct Answer: B

• Question 226:

  Click the Exhibit button.

  

  Referring to the OSPF link metrics in the exhibit, which path will traffic from R6 take to reach R1?

  A. R6, R3, R2, R4, R1

  B. R6, R3, R2, R1

  C. R6, R5, R4, R1

  D. R6, R5, R3, R2, R4, R1

  Correct Answer: B

• Question 227:

  Click the Exhibit button.

  

  The exhibit shows the output of a Junos show bgp neighbor command. Which two statements are true? (Choose two.)

  A. IPv4 routes will be exchanged over this session.

  B. IPv6 routes will be exchanged over this session.

  C. The local router initiated the BGP session.

  D. BFD keepalive is configured to 30 seconds.

  Correct Answer: AC

• Question 228:

  Click the Exhibit button.

  

  Referring to the exhibit, which type of traffic protection mechanism is used for the LSP?

  A. link-protection

  B. fast-reroute

  C. node-link-protection

  D. bypass

  Correct Answer: B

• Question 229:

  Click the Exhibit button.

  

  You work for ISP A, as shown in the exhibit, and must configure R1 to use load balancing across both available links to ISP B's network. Which command do you use to finish the configuration?

  A. set protocols bgp group isp-b multipath

  B. set routing-options forwarding-table export per-packet

  C. set protocols bgp group isp-b multihop

  D. set routing-options forwarding-table load-balance

  Correct Answer: A

• Question 230:

  Click the Exhibit button.

  

  A LDP Layer 2 circuit is shown for VPN A and VPN B. LDP tunneling over RSVP is activated on P1 and P2. Referring to the exhibit, which statement is true about the LDP Layer 2 circuit?

  A. MAC learning is needed and using the inner VPN label between PE1 and PE2 for VPN A or VPN B.

  B. Targeted LDP sessions are established between PE1, P1 and P2, PE2.

  C. Label stitching must be configured on P1 and P2 for end to end transport LSPs.

  D. LDP must be enabled on the loopback interfaces of PE1 and PE2.

  Correct Answer: D