Cisco CCNP Enterprise 300-420 Questions & Answers

• Question 71:

  Which control-plane protocol is used to map an endpoint to a location in a Cisco SD-Access network?

  A. FabricPath

  B. IS-IS

  C. LISP

  D. MP-BGP

  Correct Answer: C

• Question 72:

  When a network is designed using IS-IS, which two circuit types are supported? (Choose two.)

  A. nonbroadcast multiaccess

  B. multiaccess

  C. point-to-multipoint

  D. nonbroadcast

  E. point-to-point

  Correct Answer: BE

• Question 73:

  Refer to the exhibit.

  

  An architect must design a solution to connect the network behind R3 with the EIGRP network. Which mechanism should be included to avoid routing loops?

  A. down bit

  B. split-horizon

  C. route tags

  D. summarization

  Correct Answer: C

• Question 74:

  An engineer is designing a multicast network for a financial application Most of the multicast sources also receive multicast traffic (many-to-many deployment model). To better routing tables, the design must not use source trees. Which multicast protocol satisfies these requirements?

  A. BIRDIR-PIM

  B. PIM-SM

  C. MSDP

  D. PIM-SSM

  Correct Answer: A

• Question 75:

  An engineer must use YANG with an XML representation to configure a Cisco IOS XE switch with these specifications:

  IP address 10.10.10.10/27 configured on the interface GigabitEthernet2/1/0 connectivity from a directly connected host 10.10.10.1/27

  Which YANG data model set must the engineer choose?

  

  A. Option A

  B. Option B

  C. Option C

  D. Option D

  Correct Answer: D

• Question 76:

  An engineer uses Postman and YANG to configure a router with:

  1.

  OSPF process ID 400

  2.

  network 192.168.128.128/25 enabled for Area 0

  Which get-config reply verifies that the model set was designed correctly?

  

  A. Option A

  B. Option B

  C. Option C

  D. Option D

  Correct Answer: B

• Question 77:

  An engineer uses Postman and YANG to configure a router with:

  3.

  OSPF process ID 200

  4.

  network 172.16.10.128/26 enabled for Area 0

  Which get-config reply verifies that the model set was designed correctly?

  

  A. Option A

  B. Option B

  C. Option C

  D. Option D

  Correct Answer: A

• Question 78:

  An engineer must design a QoS solution for a customer. The network currently supports data only, but the customer will roll out VoIP and IP video in conjunction with the new QoS solution. The engineer plans to use DiffServ. To ensure priority for voice services, which model must the design include?

  A. 8-class model

  B. 4-class model

  C. 6-class model

  D. 12-class model

  Correct Answer: A

• Question 79:

  An organization plans to deploy multicast across two different autonomous systems. Their solution must allow RPs to:

  1.

  discover active sources outside their domain

  2.

  use the underlying routing information for connectivity with other RPs

  3.

  announce sources joining the group

  Which solution supports these requirements?

  A. SSM

  B. MSDP

  C. PIM-DM

  D. PIM-SM

  Correct Answer: B

  Reference: https://www.cisco.com/c/en/us/td/docs/switches/lan/catalyst9500/software/release/16-10/configuration_guide/ip_mcast_rtng/b_1610_ip_mcast_rtng_9500_cg/b_1610_ip_mcast_rtng_9500_cg_chapter_010001.pdf

• Question 80:

  The customer solution requires QoS to support streaming multimedia over a WAN. An architect chooses to use Per-Hop Behavior. Which solution should the engineer use to classify and mark traffic traveling between branch sites?

  A. CBWFQ with DSCP AF2

  B. LLQ with DSCP EF

  C. CBWFQ with DSCP AF3

  D. LLQ with DSCP AF4

  Correct Answer: C