Refer to the exhibit.

IS-IS is the routing protocol on the network. After the team noticed excessive CPU usage on all routers, particularly routers R2 and R6, they configured route summarization on all routers. However, a network engineer noticed that summary routes and more specific routes are present in the routing table on R1. Which action must the team take so that R1 receives only the summary routes?

• A.Configure R3 to perform summarization for Level 1 routers, and configure R6 to perform summarization for Level 2 routers.
• B.Configure R2 and R4 to perform summarization for Level 1 routers.
• C.Configure R3 and R5 to perform summarization for Level 1 and Level 2 routers.
• D.Configure R6 only to perform summarization for all routers.

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Drag and drop the attributes for the BGP route selection on the left into the correct order on the right. Not all options are used.

Correct Answer:

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Which task is performed when troubleshooting LDP?

• A.Execute the traceroute utility to generate information about the labels used along the path
• B.Verify that MPLS is disabled globally and enabled on the necessary interfaces in a per-interface basis
• C.Verify that Cisco Express Forwarding has been disabled on the network
• D.Execute the ping utility to generate information about the MAC addresses used along the path

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Refer to the exhibit.

Which effect of this configuration is true?

• A.It sets the keepalive timer to 30 seconds and the hold timer to 240 seconds.
• B.It sets the keepalive timer to 30 milliseconds and the hold timer to 240 milliseconds
• C.It sets the hold timer to 30 milliseconds and the keepalive timer to 240 milliseconds
• D.It sets the hold timer to 30 seconds and the keepalive timer to 240 seconds

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Refer to the exhibit. An engineer is troubleshooting an issue with this network and notices that prefixes from R3 are missing on the R1 rooting table. Due to repeated ASN, when the 10.0.0.0/8 prefix from R3 arrives at R1, BGP automatically rejects it. There is no prefix-list on R1 which blocks the traffic from R3. What should the engineer do to fix the problem so that BGP allows that prefix on R1?

• A.Configure identical confederation ASNs on RI and R2.
• B.Configure the next-hop-self command on R2.
• C.Configure the allowas-in command on R1.
• D.Configure R2 as a route reflector client of R1.

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