MAN in the middle of the backbone network and access network, and can be divided into

• A.Tandem layer
• B.bearing layer
• C.Core layer
• D.Access Layer

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Segment 220.32.59.0/27 subnet mask is 255.255.255.224, as follows () is a valid host address.

• A.220.32.59.17
• B.220.32.59.160
• C.220.32.59.128
• D.220.32.59.64

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VLSM is the meaning of

• A.Variable Long Subnet Masking
• B.Very Long / Shortest Masking
• C.Variable Length Shortest Masking
• D.Variable Length Subnet Masking

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IP protocol is an unreliable protocol, error control cannot be. However, IP protocol can make use of () to achieve this functionality.

• A.ICMP
• B.ARP
• C.UDP
• D.TCP

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As shown in the figure, if Host A and Host B want to implement inter-VLAN communication through one-arm routing, which one should be configured under G0/0/1.1 interface of RTA.
Set?

• A.dot1q termination vid 30
• B.dot1q termination vid 20
• C.dot1q termination vid 1
• D.dot1q termination vid 10

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