As shown in the figure, if host A and host B want to achieve inter-VLAN communication through single-arm routing, which configuration should be done under the G0/0/1.1 interface of RTA?

• A.dot1q termination vid 30
• B.dot1q termination vid 10
• C.dot1q termination vid 20
• D.dot1q termination vid 40

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If the value of the Type/Length field of an Ethernet data frame is 0 x 0800, the length of the upper layer message header carried by this data frame is in the range of 20-60B.

• A.False
• B.TRUE

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The G0/0/1 interface configuration information of router A is shown in the figure. Which of the following statements is correct? (Multiple choice)

• A.This interface will not forward ICMP packets
• B.This interface will not forward received SNMP packets
• C.This interface can establish OSPF neighbor relationships with other routers
• D.This interface will not forward received FTP packets

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By default, the port cost calculated by STP has a certain relationship with the port bandwidth, that is, the greater the bandwidth, the () the cost.

• A.Not necessarily
• B.Consistent
• C.smaller
• D.greater

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Telnet is based on TCP protocol.

• A.True
• B.False

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