What are two characteristics of MPLS TE tunnels? (Choose two.)

• A.The headend and tailend routers of the tunnel must have a BGP relationship.
• B.They use RSVP to provide bandwidth for the tunnel.
• C.They are run over Ethernet cores only.
• D.They require EIGRP to be running in the core.
• E.They are unidirectional.

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Refer to the exhibit.

AN engineer is configuring segment routing on an ISP to simplify traffic engineering and management across network domains. What should the engineer do to complete the implementation of segment routing?

• A.Area Authentication must be enable before segment routing will run.
• B.OSPF must be configured with wide area metrics to support routing.
• C.The segment will run without any further configuration.
• D.Area authentication must be enable before segment routing will run.

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Refer to the exhibit.

What is the result of this configuration?

• A.Router 1 opens and closes a TCP connection to the TACACS+ server every time a user requires authorization.
• B.Router 1 and the TACACS+ server maintain one open connection between them only when network administrator is accessing the router with password ciscotest.
• C.Router 1 and the TACACS+ server maintain one open connection between them.
• D.Router 1 opens and closes a TCP connection to the TACACS+ server every time a user requires authentication.

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Drag and drop the LDP features from the left onto their usages on the right.

Correct Answer:

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Refer to the exhibit:

A network engineer is implementing QoS services. Which two statements about the QoS-group keyword on Cisco IOS XR 3re true? (Choose two )

• A.QoS group marking occurs on the ingress
• B.QoS group can be used in fabric QoS policy as a match criteria
• C.It cannot be used with priority traffic class
• D.It marks packets for end to end QoS pokey enforcement across the network
• E.The QoS group numbering corresponds to priority level

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