Cisco 400-201 Practice Exam Questions

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Question No. 1

An engineer is deploying SShv2-only in-band access. Which three options reflect the minimum configuration to enable the SSHv2 services on Cisco routers? (Choose three)

Answer: A, B, E

Question No. 2

A service provider NOC engineer received numerous support tickets from their VPN customer. This customer are reporting packet loss between two PE routers. The NOC engineer created a VRF TEMP to run test between these two PE router and no error were reported. ECMP links are used between P and PE routers. which test can quickly identify the core link that is causing the problem.

Answer: A

Question No. 3

Which three components are required to support ISSU? (Choose Three)

Answer: A, B, F

Question No. 4

A service provider has deployed new PEs using nV Edge technology based on Cisco ASR 9000 routers. How does the system mitigate against a split-brain state if all control plane and data plane links are lost?

Answer: B

Question No. 5

One benefit of MPLS Layer 3 VPN is that migration for the end customer is simplified.

Which statement is true?

Answer: C

Question No. 6

A backbone carrier is approached by an ISP_A which provides L3VPN services. The ISP_A requires MPLS VPN services from the backbone carrier to establish connectivity between the two POPs of the ISP_A Which label protocol should the backbone carrier use to provide the proper connectivity that the ISP_A requires?

Answer: C

Question No. 7

A service provider is using multicast flows to provide streaming video content to its customers. Video streams are sometimes interrupted, and network instability is determined to be the cause. Which action should the service provider take to decrease the burden on the router resources in an unstable unicast routing environment?

Answer: D

Question No. 8

Which description of the main purpose of the LDP targeted Session is true?

Answer: A

Question No. 9

Which two QoS mark methods can a service use to mark user traffic and be visible only internally to the router? (Choose two)

Answer: C, E

Question No. 10

Refer to the exhibit.

RIP network is redistributed in OSPF Area 1; both Area 1 and Area 2 are configured as NSSAs.

Which three statements describe the OSPF behavior in this scenario? (Choose three.)

Answer: A, B, C

Question No. 11

Refer to the exhibit. The NOC team received multiple reports about poor quality of the VoIP traffic. An engineer notices that all VoIP traffic with poor quality uses Core links with QoS implemented. Which are the two reasons for this issue? (Choose two)

Answer: A, B

Question No. 12

Which two statements about 6RD are true? (Choose two.)

Answer: C, E

Question No. 13

Which technology is a forwarding decision point in a PE router that provides flexibility to make many Layer 2 flow decisions within an interface?

Answer: E

Question No. 14

Which mechanism protects the control and management planes of a cisco IOS device to maintain routing stability, network reachability, and packet delivery?

Answer: D

Question No. 15

In inter-AS multicast, which two optional nontransitive path attributes were introduced in BGP to carry unicast and multicast routing information for RPF check at the AS borders? (Choose two.)

Answer: A, B

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