[2021年12月]更新の350-501試験事前練習テスト試験問題と解答CCNP Service Provider学習ガイド [Q143-Q158]

[2021年12月]更新の350-501試験事前練習テスト試験問題と解答CCNP Service Provider学習ガイド

Implementing and Operating Cisco Service Provider Network Core Technologies認証サンプル解答

質問 143
Refer to the exhibit:

What does the REST API command do?

A. It displays the information identified by Descriptions xml
B. It executes the commands specified in Descriptions xml
C. It removes the information identified by Descriptions xml
D. It retrieves the information requested by Descriptions xml

正解: B

質問 144
Refer to the exhibit:

If router RA is configured as shown, which IPv4 multicast address space does it use?

A. 239.0. 0.0/8
B. 225.0. 0.0/8
C. 224.0. 0.0/8
D. 232.0. 0.0/8

正解: D

質問 145
Drag and drop the multicast concepts from the left onto the correct descriptions on the right.

正解:

解説:

質問 146
Refer to the exhibit:

An engineer is preparing to implement data plane security configuration.
Which statement about this configuration is true?

A. Router 1 is the trigger router in a RTBH implementation.
B. Router 1 must be configured with uRPF for the RTBH implementation to be effective.
C. Router 2 must configure a route to null 0 for network 192 168.1 0/24 for the RTBH implementation to be complete.
D. Router 2 is the router receiving the DDoS attack

正解: C

質問 147
Refer to the exhibit.

What is the effect of this configuration?

A. R1 failovers to any peer.
B. R1 supports a graceful restart operation on the peer, even if graceful restart is disabled on the peer.
C. R1 failovers only to a peer that is configured for LDP SSO/NSF.
D. R1 supports a peer that is configured for LDP SSO/NSF as the peer recovers from an outage.

正解: D

質問 148
Refer to the exhibit:

Based on the show/ command output, which result m true after BGP session is established?

A. The IOS XR router does not advertise any routes to the neighbor 192.168.2.2,but it accepts all routes from 192.168.2.2.
B. The IOS XR router advertises all routes to the neighbor 192.168.2.2, but it does not accept any routes from 192.168.2.2
C. No routes are accepted from the neighbor 192.168.2.2, nor are any routes advertised to it
D. The IOS XR router advertises and accepts all routes to and from eBGP neighbor 192.168.2.2

正解: C

質問 149
You are configuring MPLS traffic-engineering tunnels in the core. Which two ways exist for the tunnel path across the core? (Choose two.)

A. Tunnels can be configured with dynamic path or explicitly defined path.
B. The dynamic path option is supported only with IS-IS.
C. Tunnel links inherit IGP metrics by default unless overridden.
D. The bandwidth statement creates a "hard" reservation on the link.
E. A zero bandwidth tunnel is not a valid option.

正解: A,C

解説:
Section: Architecture

質問 150
Drag and drop the OSs from the left onto the correct descnpt.ons on the right.

正解:

解説:

質問 151
Refer to the exhibit:

This configuration is being applied on an IOS XR router.
Which statement about this configuration is true?

A. It is used to create a streaming subscription with a 600-second interval
B. It is used to enable gRPC
C. It is used to set up configuration to poll network data
D. It is used to create a streaming subscription with a 60-second interval

正解: A

質問 152
Refer to the exhibit:

What is the effect of this configuration?

A. The two routers fail to form a neighbor relationship because their system IDs are different.
B. The two routers successfully form a neighbor relationship
C. The two routers fail to form a neighbor relationship because they have different ISIS area types.
D. The two routers fail to form a neighbor relationship because the authentication configuration is missing

正解: B

質問 153
Refer to the exhibit:

P3 and PE4 are at the edge of the service provider core and serve as ABR routers Aggregation areas are on either side of the core.
Which statement about the architecture is true?

A. If each area is running its own IGP. the ABR routers must redistribute the IGP routing table into BGP
B. If each area is running its own IGP. BGP must provide an end-to-end MPLS LSP
C. To support seamless MPLS. TDP must be used as the label protocol
D. To support seamless MPLS, the BGP route reflector feature must be disabled

正解: B

質問 154
Refer to the exhibit:

Which effect of this configuration is true?

A. It enables MPLS on the interface
B. It enables AToM on interface gigabitethemet1/0
C. it creates a pseudowire class named Cisco
D. It enables tagging for VLAN 12 on the interface

正解: B

質問 155

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?

正解: D

解説:
Section: MPLS and Segment Routing
Explanation/Reference:

質問 156
A company needs to improve the use of the network resources that is used to deploy internet access service to customers on separate backbone and internet access network. Which two major design models should be used to configure MPLS L3VPNs and internet service in the same MPLS backbone? (Choose two.)

A. Internet access for global routing via a separate interface in a VRF
B. Internet routing through global routing on a PE router
C. Internet access routing as another VPN in the ISP network
D. carriage of full Internet routes in a VPN. in the case of Internet access VPNs
E. Internet access through leaking of Internet routes from the global table into the L3VPN VRF.

正解: A,C

解説:
Explanation
http://etutorials.org/Networking/MPLS+VPN+security/Part+II+Advanced+MPLS+VPN+Security+Issues/Chapte

質問 157
Refer to the exhibit.

An engineer is configuring an administrative domain in the given multi-vendor environment with PIM-SM. Which feature must the engineer implement so that devices will dynamically learn the RP?