Cisco 642-883 Study Material For Exam

Cisco 642-883 exam questions of DumpsSchool provide updated knowledge which strengthen your skills to accomplish tasks of Deploying Cisco Service Provider Network Routing in the CCNP Service Provider Certification 642-883 exam.

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Question No. 1

Refer to the exhibit.

R1 is advertising subnets 1.1.1.X/32 via eBGP. XR4must accept only the first seven subnets in its BGP table. Which configuration must occur on XR2 to meet these parameters?

Answer: B

Question No. 2

Refer to the exhibit.

Based on the Cisco IOS XR route policy configuration, when redistributing OSPF routes into IS-IS, to which of the following does the “tag” value correspond?

Answer: C

Question No. 3

Which option is a mechanism that can be implemented between two eBGP peers to communicate the routes each peer needs from the other?

Answer: A

Question No. 4

Refer to the exhibit.

Assume that XR2 and R3 have been configured correctly for OSPF area 0. Which command is needed to configure XR2 as an ABR between area 0 and area 1?

Answer: B

Question No. 5

An engineer has two routers multihomed to the Internet via BGP. The first should be the primary path for all outbound traffic and the second should automatically become active in the event the primary goes offline. Which method to configure the routers is the most simple?

Answer: A

Question No. 6

When implementing LDP, what is liberal label retention mode?

Answer: C

By default, LDP accepts labels (as remote bindings) for all prefixes from all peers. LDP operates in liberal label retention mode, which instructs LDP to keep remote bindings from all peers for a given prefix. For security reasons, or to conserve memory, you can override this behavior by configuring label binding acceptance for set of prefixes from a given peer.

The ability to filter remote bindings for a defined set of prefixes is also referred to as LDP inbound label filtering

Question No. 7

An engineer checks the logs in a PE with several customers and sees this output.

*Nov 3 21:44:54:219: %TCP-6-BADAUTH: No MD5 digest from to (RST) tableid -0.

Which routing protocol is reporting the issue?

Answer: B

Question No. 8

Which two OSPF network scenarios require OSPF virtual link configuration? (Choose two.)

Answer: A, C

Question No. 9

In a Cisco IOS XR OSPF NSF operation, which option is the result of a segment without NSF-capable peers?

Answer: B

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