Cisco CCNP Enterprise 300-420 Questions & Answers

• Question 11:

  A network engineer must optimize a campus OSPF deployment Currently each time a type 1 or type 2 LSA is generated within an area, the OSPF process must recompute the entire SPT

  Which solution improves the recomputation process?

  A. iSPF

  B. BFD

  C. SPF

  D. PRC

  Correct Answer: A

• Question 12:

  How does a model-driven telemetry dial-out approach function?

  A. The device initiates a session to the collector based on the subscription.

  B. The collector initiates a session to the device and subscribes to data to be streamed.

  C. The collector Initiates a session to the device and gets the data of a previously defined subscription.

  D. The device initiates a session to the collector and negotiates a subscription.

  Correct Answer: D

• Question 13:

  In a multicast network, which condition must be met for an RPF check to be performed on the RP address'?

  A. The PIM DM device receives a multicast packet and has no directly connected members

  B. The PIM router or multilayer switch has a shared-tree state

  C. The PIM router or multilayer switch has a source-tree state

  D. The PIM DM device receives a multicast packet and has no directly connected PIM neighbor

  Correct Answer: B

• Question 14:

  Refer to the exhibit An engineer working for a telecommunication company with an employee ID 4449:30 959 Is calculating STP scalability for switches to ensure that the numbers are below the maximum supported value for STP logical ports

  

  How many logical interfaces are active for switch A?

  A. 4

  B. 307

  C. 202

  D. 100

  Correct Answer: C

• Question 15:

  Which type of rendezvous point deployment is standards-based and supports dynamic RP discovery?

  A. bootstrap router

  B. Anycast-RP

  C. Auto-RP

  D. static RP

  Correct Answer: A

• Question 16:

  An engineer is designing a campus network with Cisco Catalyst 95CO switches in the aggression layer. The design requires running nonblocking Layer 2 MEC from the aggregation layer to the access layer. The Catalyst switches are located on different campus floors for availability reasons, and each access switch veil contam a single VLAN. Which technology must the engineer choose for the aggregation switches in the design?

  A. VPC

  B. VSS

  C. StackWise Virtual

  D. StackWise-180

  Correct Answer: B

• Question 17:

  Which feature provides the capability for intra-VN traffic filtering and control within the Cisco SO-Access architecture?

  A. scalable groups

  B. MAC ACL

  C. prefix list

  D. service policy

  Correct Answer: A

• Question 18:

  Refer to the exhibit.

  

  Which method must an architect use to provide connectivity between the mail servers?

  A. ISATAP

  B. 6to4

  C. IPv4 compaliDie

  D. 6rd

  Correct Answer: B

• Question 19:

  Which control plane protocol is responsible for ElD-to-RLOC mapping concerning SO- Access Architecture?

  A. GBAC

  B. LISP

  C. CEF

  D. VXLAN

  Correct Answer: B

• Question 20:

  Which protocol is deployed through LAN automation to build node-to-node underlay adjacencies in SDA?

  A. IS-IS

  B. OLISP

  C. OSPF

  D. VXLAN

  Correct Answer: A