Which of the following statement about the main functions of the router is wrong? (Multiple choice)

• A.Guide data forwarding according to the routing table
• B.Establish routing tables through multiple protocols
• C.Realize the mutual communication between the same network disconnection equipment
• D.Forwarding according to the source IP address of the received data packet

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By default, in the SNMP protocol, which port number does the agent process use to send alarm messages to NS?

• A.162
• B.161
• C.164
• D.163

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As shown in the figure, if host A has the ARP cache of host B, host A can ping host B.

• A.False
• B.True

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What type of IPv6 address FE80: 2E0: FCFF: FE6F: 4F36 belongs to?

• A.Anycast address
• B.Link local address
• C.Multicast address
• D.Global semicast address

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The election of the root switch in STP only compares the switch priority, while in RSTP, the switch priority and MAC address are compared at the same time.

• A.False
• B.True

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