尽管五年中降雨量大幅增加,但平原区地下水平均埋深仍逐年上升,这说明()。
A.地下水开采量减少
B.地下水开采量增加
C.地下水量减少
D.地下水量增加
第1题
A. All defined VLANs are allowed on the trunk by default.
B. Each VLAN, or VLAN range, that is specified with the switchport mode command.
C. Each VLAN, or VLAN range, that is specified with the vtp domain command.
D. Each VLAN, or VLAN range, that is specified with the vlan database command.
第2题
A.no VLANs
B.all VLANs
C.only VLANs 1 - 64
D.only the VLANs that are specified when creating the trunk
第3题
A. No VLANs
B. Only the VLANs that are specified when creating the trunk
C. Only VLANs 1-64
D. All VLANs
E. All VLAN's except VLAN 1
F. None of the above
第4题
A.a switch with a trunk link that is configured between the switches
B.a router with an IP address on the physical interface that is connected to the switch
C.a switch with an access link that is configured between the switches
D.a router with subinterfaces configured on the physical interface that is connected to the switch
第5题
A.ios base::in
B.ios_base::binary
C.ios base::in|ios base::out
D.ios base::out
第6题
A.ios base::in
B.ios_base::binary
C.ios base::in|ios base::out
D.ios base::out
第7题
A. Switch(vlan)# mode trunk
B. Switch(config)# switchport access mode trunk
C. Switch(config-if)# switchport mode trunk
D. Switch(config-if)# switchport trunk encapsulation dot1q
E. Switch(config)# switchport access mode 1
F. Switch(vlan)# trunk encapsulation dot1q
第8题
A.A switch in the VTP client mode cannot update its local VLAN database.
B.A trunk link must be configured between the switches to forward VTP updates.
C.A switch in the VTP server mode can update a switch in the VTP transparent mode.
D.A switch in the VTP transparent mode will forward updates that it receives to other switches.
E.A switch in the VTP server mode only updates switches in the VTP client mode that have a higher VTP revision number.
F.A switch in the VTP server mode will update switches in the VTP client mode regardless of the configured VTP domain membership.
第9题
A. provide service internetworking
B. support transparency for Layer 2 frames
C. indicate destination as a connection identifier
D. map to the DLCI in service internetworking
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