On an OSPF network, an IR in area 0 must be a BR, but an ASBR may not be an ABR.

• A.TRUE
• B.FALSE

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Which of the description about IBGP neighbors and EBGP neighbors is wrong?

• A.IBGP peers must be directly connected physically
• B.Two routers running BGP must have IP connectivity to establish a TCP session
• C.If two peers exchanging BGP packets belong to the same autonomous system, then these two peers are IBGP peers
• D.If two peers exchanging BGP packets belong to different autonomous systems, then these two peers are EBGP peers

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Rapid detection technology can detect communication failures with adjacent devices as early as possible so that the system can take timely measures to ensure uninterrupted business.

• A.FALSE
• B.TRUE

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What is the correct procedure for a VLAN pool to assign terminals to VLANs.

Correct Answer:

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See the network shown in the following figure.

R1 and R2 run IS-IS and establish an adjacency. IS-IS is enabled on Loopback0 of R2 but disabled on Loopback3 of R2. The configurations shown in the figure are performed in the IS-IS process of R2. Which of the following statements are true?

• A.The routing table of R1 contains the route 10.0.2.3/32.
• B.The routing table of R1 does not contain the route 10.0.2.3/32.
• C.The routing table of R1 does not contain the routes 10.0.2.2/32 and 10.0.2.3/32.
• D.The routing table of R1 contains the route 10.0.2.2/32.

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