Which two statements are true for GRE tunneling? (Choose two.)

• A.GRE tunnel endpoints must have a valid route to the remote endpoint
• B.GRE tunnels support multiple logical units per interface
• C.GRE tunnels are stateful by default
• D.GRE tunnels support only one logical unit per interface

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Which two statements are correct about the BGP MED attribute? (Choose two.)

• A.BGP uses the MED value when peering to two or more connections to the same upstream AS
• B.BGP routes require the MED attribute be defined
• C.BGP uses the MED value when peering to two different upstream ASs
• D.BGP assumes the MED value to be 0, if not already defined

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Which two statements are correct about IS-IS? (Choose two.)

• A.A level 1 only router can never form an adjacency with a level 2 only router.
• B.For level 2 adjacencies, the area IDs can be different.
• C.For level 2 adjacencies, the area IDs must be the same.
• D.A level 1 only router can form an adjacency with a level 2 only router.

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Click the Exhibit button.

Referring to the exhibit, which statement is true?

• A.The router will prune links with insufficient bandwidth from the path before beginning the signaling process
• B.The router will precalculate a valid path through the network for LSP r1-to-r3
• C.The router will attempt to signal the LSP along the IGP shortest path to 192.168.100.1
• D.The router will analyze the traffic engineering database to determine the best path through the network

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Which statement is true about the operation of Layer 2 VPNs?

• A.Service provider routers must evaluate the IP header of packets as they traverse their network
• B.Layer 2 VPNs allow CEs to use different encapsulations on either side of the VPN
• C.Layer 2 VPNs require that CE devices use the same Layer 2 encapsulation
• D.Layer 2 VPNs do not permit CE devices to operate a Layer 3 protocol with each other

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