单项选择题
In which solution is a router ACL used？（）
A.protecting a server frome unauthorized acces
B.controlling path selection，based on the route metric
C.reducing router CPU utilization
D.filterring packets that are passing through a router
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相关考题
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单项选择题
Assuming default setting，how can you erase the VTP data base of VLANs on a CISCO IOS switch running in VTP server mode？（）
A.Enable VTP pruning
B.From privileged mode，erase the startup configuration file，then reload.
C.From privileged mode，erase the vlandate file，then reload.
D.Cycle the switch power. -
单项选择题
一个默认的帧中继WAN被分类为哪种物理网络类型？（）
A.点到点
B.广播多路访问
C.非广播多路访问
D.非广播多点
E.广播点到多点 -
单项选择题
What is the function of the command switchport trunk native vlan 999 on a？（）
A.It designates VLAN 999 for untagged traffic.
B.It blocks VLAN 999 traffic from passing on the trunk.
C.It createsa VLAN 999 interface.
D.It designates VLAN 999 as the default for all unkown tagged traffic.
