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單項(xiàng)選擇題How many bits are contained in each field of an IPv6 address?（）

A.24
B.4
C.8
D.16

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1.單項(xiàng)選擇題Which set of commands is recommended to prevent the use of a hub in the access layer?（）

A.switch(config-if)#switchport mode trunk switch(config-if)#switchport port-security maximum 1
B.switch(config-if)#switchport mode trunk switch(config-if)#switchport port-security mac-address 1
C.switch(config-if)#switchport mode access switch(config-if)#switchport port-security maximum 1
D.switch(config-if)#switchport mode access switch(config-if)#switchport port-security mac-address 1

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2.單項(xiàng)選擇題 Refer to the exhibit.The user at Workstation B reports that Server A cannot be reached.What is
preventing Workstation B from reaching Server A？（）

A.The IP address for Server A is a broadcast address.
B.The IP address for Workstation B is a subnet address.
C.The gateway for Workstation B is not on the same subnet.
D.The gateway for Server A is not on the same subnet.

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3.多項(xiàng)選擇題Which two statements about the configuration of the switch interface are correct (Choose two)（）。

A.The switchport belongs only to VLAN 2
B.Interface fa0/0 will be in both VLAN 1 (by default) and VLAN 2
C.The exhibit shows interface fa0/0 to be dynamically mapped to VLAN 2
D.A network host can be connected to this interface

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4.單項(xiàng)選擇題
What is the under lying cause of this problem？（）

A. A remote physical layer problem exists.
B. The host NIC is not functioning.
C. TCP/IP has not been correctly installed on the host.
D. A local physical layer problem exists.

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5.單項(xiàng)選擇題For which type of connection should a straight-through cable be used?（）

A.switch to switch
B.switch to hub
C.switch to router
D.hub to hub
E.router to PC

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