【名词&注释】
路由器(router)、优先级(priority)、交换机(switch)、物理层(physical layer)、数据链路层(data link layer)
[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
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学习资料:
[单选题]在OSPF的DR/BDR选举过程中,在路由器有相同的接口优先级情况下,什么用于确定DR或BDR()
A. 最高的OSPF进程ID
B. 最低的接口IP地址
C. 最低的接口开销
D. 路由器ID
[单选题]关于OSPF中DR的说法不正确的是()
A. 通过hello报文选举DR
B. 如果某路由器优先级比DR优先级高,但启动晚,它会抢占原来的DR自己成为DR
C. 一个广播类型网络中只能有一个DR
D. 一旦DR失效,BDR接替DR的工作,并重新选举一个BDR
[单选题]交换机工作在OSI七层模型的哪一层()
A. 物理层
B. 数据链路层(data link layer)
C. 网络层
D. 传输层
[单选题]路由器上“水平分割”的功能是:()
A. 分离端口
B. 阻止路由环路
C. 简化配置
D. 方便故障处理
[多选题]In which Spanning-Tree states does a switch port learn MAC addresses? (Select two)
A. Blocking
B. Listening
C. Forwarding
D. Learning
E. Relaying
[单选题]How can a Ezonexam administrator determine if a router has been configured when it is first powered up?
A. A configured router prompts for a password
B. A configured router goes to the privileged mode prompt
C. An un configured router goes into the setup dialog
D. An un configured router goes to the enable mode prompt
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