The host's IPv4 address is 200.200.200.201/30. Which of the following hosts has an IPv4 address and its communication does not need to be forwarded by a router?

• A.200.200.200.202
• B.200.200.200.203
• C.200.200.200.200
• D.200.200.200.1

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The last option field of IPv4 is variable-length optional information. What is the maximum length of this field?

• A.20B
• B.60B
• C.40B
• D.10B

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The second layer ACL can match the source MAC, destination MAC, source IP, destination IP and other information.

• A.True
• B.False

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

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

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The output information of the router R1 routing table is shown in the figure. Which of the following statements is correct? (Multiple Choice)

• A.The router will forward data packets whose destination network is 12.0.0.0/8
• B.The data packet whose destination network is 12.0.0.0/8 will be forwarded from the router's Ethernet070/0 interface
• C.The router will discard data packets whose destination network is 11.0.0.0/8
• D.The data packet whose destination network is 11.0.0.0/8 will be forwarded from the router's GigabitEthernet0/0/0 interface

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