Cisco 400-201 Exam PDF Study Guide

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Question No. 1

How many token buckets are needed to support a multi-actions policer that meters conforming, exceeding and violating traffic?

Answer: D

Question No. 2

Which statement about L2VPN Pseudowire Switching is not true?

Answer: E

Question No. 3

Cisco IOS XR software is partitioned into three planes: control, data, and management. Which three of these belong to the data plane? (Choose three.)

Answer: C, D, E

(FIB, QoS, PFI). RIB is part of control plane

1.4. SP high end product

Cisco IOS XR Software is partitioned into three planes:

Control: Distributes routing tasks and management of the routing information base (RIB) to participating RPs; different routing processes can be running on different physical units.

DatA. Maintains the forwarding information base (FIB) changes across the participating nodes, letting the router perform as a single forwarding entity.

Management: Controls the operation of the router as a single networking element.

Question No. 4

Refer to the exhibit.

Refer to the exhibit. displays the Router_3 FIB information without any OSPF LSDB optimization. An engineer wants to optimize the OSPF LSDB in accordance with RFC 1587 Considering the following restraints:

*Router_3 maintains full connectivity

*Router_2 requires the least configuration

In orderto achieve the OSPF LSDB optimization on Router_3. which Cisco IOS command should the engineer use on Router_2?

Answer: F

Question No. 5

A service provider must avoid packet loss when an IGP adjacency is established before the LDP label exchange completes between the peers on that link. Which feature must be implemented that fulfills this requirement?

Answer: C

Question No. 6

A service provider network engineer is defining a Qos architecture with the following requirements :

*The service provider does not provide managed CPE services.

*Customer throughput of both connection-oriented and non-connection-oriented must be managed.

*The service provider network capacity must be protected by limiting customer traffic to the purchased circuit bandwidth.

*Latency-sensitive traffic must be accommodated.

Which recommendation is the network engineer defining?

Answer: D

Question No. 7

What are the four key design requirements for mobile IP backhaul? (Choose four)

Answer: C, D, G, H

Question No. 8

What is the data encapsulation method for the VPLS virtual circuit (VC)?

Answer: D

Question No. 9

An engineer is designing a security method for a service provider company that needs to secure BGP peering with external peers. Based on the options provided, which three security precautions should be taken? (Choose three.)

Answer: A, B, C

Question No. 10

What is the minimum hardware configuration of the multishelf Cisco CRS-1 system?

Answer: C

1.4. SP high end product

A minimum of one LCC and one FCC are required to configure a multishelf system.

Question No. 11

Which three options are functions of the Cisco Service Control Engine? (Choose three.)

Answer: A, B, D

Question No. 12

A client has an MPLS inter-AS implementation that is required to have QoS deployed between ASBRs based on IP packet. At the same time, the client requires minimization of the routing configuration between ASBRs for better scalability. Which MPLS inter-AS option can achieve this goal?

Answer: D

Question No. 13

Which of the following processes in IOS XR run exclusively on the Route Processor? (Choose two.)

Answer: B, E

Question No. 14

What is true regarding Autonomous Systems (AS)?

Answer: A

Question No. 15

A network engineer wants to deploy a VPLS service within the MPLS backbone. The backbone expert team advises that LDP for signaling is used.

Which two characteristics of LDP would influence their decision? (Choose two.)

Answer: A, C

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