Cisco CCNP Service Provider 350-501 Questions & Answers

• Question 321:

  Refer to the exhibit.

  

  ASN 64501 currently reaches the networks under the 10.0.0.0/8 prefix via the North_B router, which is a slow backup link. The administrator of ASN 64502 wants traffic from ASN 64501 to 10.0.0.0/8 to travel via the primary link North_A Which change to the network configuration accomplishes this task?

  A. Set a higher local preference between North_A and South_A

  B. Advertise the 10.0.0.0/8 prefix through North_B and specific subnets through North_A

  C. Set a Lower Weight value for incoming traffic on North_A

  D. Set a lower MED between North_B and South_B

  Correct Answer: A

• Question 322:

  Refer to the exhibit.

  

  While troubleshooting a connectivity issue on router R2, a network engineer with an employee id:3876.13.497 notices that although it detects three OSPF links from R1, the OSPF prefixes are missing from the routing table. What is the reason for the problem?

  A. The serial interfaces have different MTUs

  B. Both loopback interfaces on R1 are configured as stub

  C. The R2 Serial 1/0 interface is configured with an IP address, but the R1 Serial R1 Serial 1/0 interface in unnumbered.

  D. The subnet masks on the serial interfaces are mismatched.

  Correct Answer: B

• Question 323:

  Refer to the exhibit.

  

  An engineer must configure router R2 as the new P router in the network.

  Which configuration must be applied to R2 to enable LDP-IGP Sync on its L2 IS-IS adjacencies?

  

  A. Option A

  B. Option B

  C. Option C

  D. Option D

  Correct Answer: A

• Question 324:

  Which two actions describe ISP delegation to PCE servers? (Choose two)

  A. adding a new PCE server with lower precedence than the primary PCE

  B. changing the precedence of any of the PCE servers

  C. removing TE re-optimization timer timeouts

  D. entering the mpls traffic-eng reoptimize command

  E. adding a new PCE server with higher precedence than the primary PCE

  Correct Answer: AD

  In the above code snippet, 100 is a lower precedence than 255, which is the default precedence. Therefore, the device with IP address 192.0.2.2 becomes the primary PCE and the device with 192.0.2.1 becomes the standby PCE.

  Triggering PCE server precedence re-evaluation

  A change in a PCE server's precedence is not considered a PCE server failure. So, the change in precedence does not trigger a redelegation timeout or a re-evaluation of LSP delegation to the PCE server at a PCC.

  Re-evaluation of LSP delegation to PCE servers after CLI reconfiguration is controlled by the TE reoptimisation timer. By default, the TE reoptimisation timer is set to 3600 seconds.

  You can accelerate the re-evaluation of LSP delegation from a PCC to PCE servers after you have changed the precedence of PCE servers or added new PCE servers. To do so, manually trigger TE reoptimisation using the following

  command in privileged EXEC mode:

  mpls traffic-eng reoptimize

• Question 325:

  Refer to the exhibit.

  

  What does the script configure?

  A. a VLAN namespace

  B. selectors for the in-band management

  C. a physical domain

  D. a static VLAN

  Correct Answer: A

• Question 326:

  What are two factors to consider when implementing NSR High Availability on an MPLS PE router? (Choose two.)

  A. It consumes more memory and CPU resources than NSF

  B. It operates normally without NSR support on the PE peers.

  C. It requires all PE-CE sessions to support NSR

  D. It requires routing protocol extensions

  E. It cannot sync state information across redundant RPs

  Correct Answer: AB

• Question 327:

  Which feature will an operator use while implementing MPLS TE on customer's network, to prevent an LSP from using any overseas inks?

  A. bandwidth

  B. affinity

  C. explicit path

  D. SLRG

  Correct Answer: B

• Question 328:

  Refer to the exhibit.

  

  A network engineer is deploying SNMP configuration on client's routers. Encrypted authentication must be included on router 1 to provide security and protect message confidentially. Which action should the engineer perform on the routers to accomplish this task?

  A. snmp-server host 192.168.0.254 informs version 3 auth testuser config.

  B. snmp-server user testuser group 1 remote 192.168.0.254 v3 auth md5 testpassword

  C. snmp-server group group 1 v3 auth.

  D. snmp-server community public

  Correct Answer: B

• Question 329:

  An engineer needs to implement QOS mechanism on customer's network as some applications going over the internet are slower than others.

  Which two actions must the engineer perform when implementing traffic shaping on the network in order to accomplish this task? (Choose two)

  A. Configure a queue with sufficient memory to buffer excess packets.

  B. Configure the token values in bytes.

  C. Implement packet remarking for excess traffic.

  D. Implement a scheduling function to handle delayed packets.

  E. Configure a threshold over which excess packets are discarded.

  Correct Answer: AD

• Question 330:

  Refer to the exhibit.

  A network engineer is implementing a standard customer route-policy on ASBR1 with these requirements:

  1.

  It must accept only customer-assigned prefixes

  2.

  It must preserve customer advertised BGP communities

  3.

  It must set the local-preference to 110 for all prefixes

  4.

  It must attach the ORIGINATION-PE and LOCAL-CITY communities to all accepted prefixes.

  Which route policy must the engineer implement on ASBR1 to satisfy the requirements?

  

  A. Option A

  B. Option B

  C. Option C

  D. Option D

  Correct Answer: D