單項選擇題

A switch port on TK1 is being configured to support 802.1Q trunking. 
Which of the following are true about 802.1Q trunking?()

A.Both switches must be in the same VTP domain.
B.The encapsulation type of both ends of the trunk does not have to match.
C.The native VLAN on both ends of the trunk must be VLAN 1.
D.802.1Q trunking can only be configured on a Layer 2 port.
E.In 802.1Q trunking, all VLAN packets are tagged on the trunk link, except the native VLAN.


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A.forwarding information base
B.adjacency tables
C.neighbor tables
D.caching tables
E.route tables

2.單項選擇題Which process plays a major role in the creation of the CEF adjacency table? ()

A.Address Resolution Protocol (ARP)
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3.單項選擇題Which of the following commands can be issued without interfering with the operation of loop guard?()

A.Switch(config-if)#spanning-tree guard root
B.Switch(config-if)#spanning-tree portfast
C.Switch(config-if)#switchport mode trunk
D.Switch(config-if)#switchport mode access

5.單項選擇題Which spanning-tree command would cause a PortFast-enabled interface to lose its PortFast-operational status and disable BPDU filtering if it receives BPDUs?()

A.spanning-tree guard root
B.spanning-tree portfast bpduguard default
C.spanning-tree bpduguard enable
D.spanning-tree bpdufilter enable
E.spanning-tree portfast bpdufilter default

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