Regarding the description of IBGP neighbors and EBGP neighbors, which of the following is false?

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

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What is the meaning of B in the FLAG field in the forwarding table?

• A.Available routes
• B.Gateway routing
• C.Static routing
• D.Black hole routing

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Which of the following statements about MSTP is correct? (Multiple choice)

• A.Compared with RSTP.MSTP has more port roles
• B.MSTP supports compatible operation with RSTP
• C.MSTP can achieve load sharing of traffic between different LANs
• D.The BPDU format of MSTP is the same as RSTP

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How does IGMPv2 router maintain the network segment group membership? (Multiple choice)

• A.The router will query a specific group
• B.After receiving the eave message, the router immediately deletes the group membership
• C.The router maintains a timeout timer for each group membership, refreshes the timer if it receives the receiver host, and deletes the group membership if the timer expires
• D.The router periodically sends Query messages, and the receiver host reports a Repeat message after receiving the Query message

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What are the benefits of OSPF area division? (Multiple choice)

• A.Routers in an area can understand the topology details outside their area
• B.It can reduce the size of LSDB and thus reduce the consumption of router memory
• C.LSA can also be reduced with the division of areas, reducing the consumption of router CPU
• D.A large number of LSA flooding is restricted to a single area

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