A switch receives a data frame with a VLAN tag, but finds that the MAC address of the data frame cannot be queried in its MAC address table.
Then the processing behavior of the data frame by the switch is ().

• A.The switch broadcasts this data frame to all ports (except the receiving port) in the VLAN that belongs to the data frame.
• B.The switch broadcasts the data frame to all ports.
• C.The switch will discard this data frame
• D.The switch broadcasts this data frame to all access ports.

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PC machines connected to the router via the Ethernet LAN port, two interfaces should be used between the cable is

• A.crossover cable
• B.Configure the cable
• C.backup cable
• D.Standard cable

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When the specified interface is running in RIPv2 multicast mode, the following statement is correct ().
(multiple choice)

• A.Receive RIPv1 broadcast messages
• B.Do not receive RIPv1 broadcast packets.
• C.Receive RIPv1 multicast packets
• D.Receive only RIPv2 multicast packets.

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The network administrator wishes to forward data over an Eth-trunk, however associated member interfaces operate at different rates. In terms of the resulting behavior, which of the following is true?

• A.The higher rate member interfaces may incur packet loss.
• B.The lower rate member interfaces may incur packet loss.
• C.The two switches will not be able to communicate.
• D.The Eth-Trunk will work normally.

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IP address 129.32.59.17, subnet, the subnet mask is 255.255.254.0, then the number of available subnets ().

• A.256
• B.128
• C.64
• D.32

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