Juniper Juniper Certifications JN0-660 Questions & Answers

• Question 271:

  Which CoS feature supports per-VLAN queuing and scheduling?

  A. multilevel scheduling

  B. hierarchical scheduling

  C. tagged queuing

  D. per-instance queuing

  Correct Answer: C

• Question 272:

  In which two ways does VPLS populate the MAC table? (Choose two.)

  A. dynamically using BGP

  B. dynamically using the source MAC address on received frames

  C. dynamically using LDP

  D. statically using CLI

  Correct Answer: BD

• Question 273:

  Click the Exhibit button.

  

  Based on the configuration in the exhibit, which statement is correct?

  A. The 172.20.20.0/24 route is installed in the inet.0 table with the next hop of the LSP.

  B. The 172.20.20.0/24 route is installed in the mpls.0 table with the next hop of the LSP.

  C. The 172.20.20.0/24 route is installed in the inet.3 table with the next hop of the LSP.

  D. The 172.20.20.0/24 route is installed in the inet6.3 table with the next hop of the LSP.

  Correct Answer: C

• Question 274:

  You are the administrator for a network that uses IBGP. As the network grows, you must examine options to support increased scale. Which two scaling options should you consider? (Choose two.)

  A. route reflection

  B. areas

  C. zones

  D. confederations

  Correct Answer: AD

• Question 275:

  You manage an MPLS network where the PE devices consist of multiple vendors. You are asked to conceal the MPLS topology for all LSPs. Which global configuration parameter will accomplish this?

  A. Configure no-decrement-ttl on the ingress router only.

  B. Configure no-propagate-ttl on the ingress router only.

  C. Configure no-decrement-ttl on all routers within the MPLS network.

  D. Configure no-propagate-ttl on all routers within the MPLS network.

  Correct Answer: D

• Question 276:

  Click the Exhibit button.

  

  Referring to the exhibit, which MPLS feature was used to make the LSP the preferred path for internal routes?

  A. traffic engineering bgp-igp

  B. traffic engineering shortcuts

  C. traffic engineering mpls-forwarding

  D. install active

  Correct Answer: C

• Question 277:

  Click the Exhibit button.

  

  In the exhibit, ISP A is charged a higher rate for traffic sent to R2. You are asked to lower costs for ISP A by configuring R1 to send traffic to R3 whenever possible. What are two ways to do this? (Choose two.)

  A. set protocols bgp group isp-b neighbor 192.0.2.6 local-preference 120

  B. set protocols bgp group isp-b neighbor 192.0.2.6 local-preference 80

  C. set protocols bgp group isp-b neighbor 192.0.2.10 local-preference 120

  D. set protocols bgp group isp-b neighbor 192.0.2.10 local-preference 80

  Correct Answer: BC

• Question 278:

  Click the Exhibit button.

  

  In the exhibit, Area 1 is a not-so-stubby area. Three networks are redistributed into Area 1 on R2. You must summarize the redistributed network addresses in Area 1 so that only one network prefix is re-advertised into Area 0. You must also summarize the loopback addresses of R1 and R2 into a single address in Area 0.Which configuration sample on R3 and R5 will complete this task?

  

  A. Option A

  B. Option B

  C. Option C

  D. Option D

  Correct Answer: C