一件可能使人感到吃惊的事实是,目前不但世界粮食产量的增长速度超过了人口的增长速度,而且同世界
A.世界粮食产量的增长速度超过了人口的增长速度
B.尽管世界粮食生产充足,但仍有很多人口得不到充足的粮食
C.其他产品价格的增长速度比不上粮食的增长速度
D.因缺粮而面临饥饿的人口有3.4到7.3亿之多
A.世界粮食产量的增长速度超过了人口的增长速度
B.尽管世界粮食生产充足,但仍有很多人口得不到充足的粮食
C.其他产品价格的增长速度比不上粮食的增长速度
D.因缺粮而面临饥饿的人口有3.4到7.3亿之多
第1题
A. Create an additional ACL to block the access to VLAN 1.
B. Move the management VLAN to something other than default.
C. Move all ports to another VLAN and deactivate the default VLAN.
D. Limit the access in the switch using port security configuration.
E. Use static VLAN in trunks and access ports to restrict connections.
F. Shutdown all unused ports in the Catalyst switch.
第2题
在一台Cisco Catalyst 2950交换机上作如下配置:
Switch # config terminal
Switch (config) # interface fastethernet 0/1
Switch (config-if) # switchport mode access
Switch (config-if) # switchport access vlan2
若要将fastethernet 0/1端口还原到默认配置状态,可以使用()命令。
A、Switch (config) # default fastethernet 0/1
B、Switch (config) # default interface fastethernet 0/1
C、Switch (config) # no fastethernet 0/1
D、Switch (config) # erase interface fastethernet 0/1
第3题
A. by snooping the CoS marking on the incoming frames
B. by using RTP hello messages between the switch port and the Cisco IP Phone
C. by using CDP
D. by using DHCP snooping
E. by snooping the incoming 802.1Q VLAN tag
第4题
A. by snooping the CoS marking on the incoming frames
B. by using RTP hello messages between the switch port and the Cisco IP Phone
C. by using CDP
D. by using DHCP snooping
E. by snooping the incoming 802.1Q VLAN tag
第5题
A. show port network
C. show controllers Ethernet-controller
第6题
A. Configure the switch to be in VTP client mode.
B. Configure the switch to be in VTP domaint mode.
C. Configure the switch to be in VTP transparent mode.
D. Configure the switch to be in VTPv2.
第7题
A. using DHCP snooping
B. snooping the incoming 802.1Q VLAN tag
C. using CDP
D. snooping the CoS marking on the incoming frames
第8题
A.The port is experiencing errors
B.The port is administratively disabled
C.The port is blocked by spanning tree
D.The port has an active link with normal traffic activity
第9题
A. The switch port link lights will be off on both switches indicating the ports are not connected.
B. The switch port link light will be off on one switch indicating that STP has disabled the port.
C. The switch port link lights will flash amber indicating an error.
D. The switch port link lights will be green indicating normal operation.
第10题
A.It creates a VLAN 999 interface.
B.It designates VLAN 999 for untagged traffic.
C.It blocks VLAN 999 traffic from passing on the trunk.
D.It designates VLAN 999 as the default for all unknown tagged traffic.
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