
【名词&注释】
路由器(router)、交换机(switch)、是什么(what is)
[单选题]IP扩展访问列表的数字标示范围是多少()。
A. 0-99
B. 1-99
C. 100-199
D. 101-200
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举一反三:
[多选题]You need to configure an 802.1Q link on a Ezonexam switch. Which commands, when used together, would do this? (Select two answer choices)
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. F. Switch(vlan) trunk encapsulation dot1q
[多选题]下列哪一设备工作时,要用到OSI的七个层(一层到七层)()
A. PC
B. 网管机
C. WEB服务器
D. 交换机
E. 路由器
[单选题]The 201.145.32.0 network is subnetted using a /26 mask. How many networks and IP hosts per network exists using this subnet mask?
A. 4 networks and 64 hosts
B. 64 networks and 4 hosts
C. 4 networks and 62 hosts
D. 62 networks and 2 hosts
E. 6 network and 30 hosts
[单选题]OSPF的度量值是什么()
A. 跳数
B. 接口开销
C. 矢量距离
D. 链路状态
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