What are two differences between OSPF and IS-IS? (Choose two.)

• A.Unlike OSPF. IS-IS supports virtual links.
• B.OSPF uses a router ID to identify a router, and IS-IS uses a system ID.
• C.OSPF elects a DR and a BDR, and IS-IS elects a DIS.
• D.Unlike IS-IS routers, an OSPF router belongs to only one area in addition to the backbone area.
• E.OSPF is a link-state routing protocol, and IS-IS is a distance-vector routing protocol.

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Refer to the exhibit.

A network operator must stop 10.33.33.33/32 from being redistributed into Level 1 router XR1. Which configuration meets this need?

• A.Option D
• B.Option C
• C.Option A
• D.Option B

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Refer to the exhibit.

Refer to the exhibit. Router R1 is expected to receive routes that originate from AS 65547 only. However, R1 is receiving routes from AS 65547 and several other ASs that are directly attached to it. Which change to the AS path permit filter corrects the problem?

• A.Change the regular expression to $.
• B.Change the regular expression to A65547$
• C.Change the regular expression to _65547_.
• D.Change the regular expression to.*.

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Drag and drop the characteristics from the left onto the corresponding routing protocols on the right.

Correct Answer:

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Refer to the exhibit.

An MPLS core network has connectivity issues R4 has failed. It impacts traffic loss between R1 and R8. Customers report no access to their file servers, which delays their transformation work. Which quick action resolves the issue until R4 recovers?

• A.Implement Link and Node protection on routers R2 and R7.
• B.Enable MPLS TE fast reroute on router R1 and Link and Node protection on router R2.
• C.Configure IBGP full mesh for faster convergence.
• D.Disable traffic engineering so that traffic prefers the IGP path

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