
【名词&注释】
路由器(router)、帧中继(frame relay)
[单选题]哪个命令可以成功测试网络:()
A. Router>ping192.5.5.0
B. Routerping192.5.5.30
C. Router>ping192.5.5.256
D. Routerping192.5.5.255
查看答案&解析
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举一反三:
[单选题]You have a class C network, and you need to design it for 5 usable subnets with each subnet handling a minimum of 18 hosts each. Which of the following network masks should you use?
A. 225.225.224.0.
B. 225.225.240.0.
C. 225.225.255.0.
D. 255.255.255.224
E. 225.225.255.240
[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
[单选题]配置路由器时,封装PPP协议的命令是:()
A. encap ppp
B. ppp
C. group ppp
D. int ppp
[单选题]以下()LSA类型是ASBR来宣告外部路由信息的。()
A. 类型1
B. 类型2
C. 类型3
D. 类型4
E. 类型5
[单选题]IP地址为:192.168.50.70,掩码为:255.255.255.248,则该IP和掩码结合,共划分了多少个子网(不包括全0子网和全1子网)()
A. 8
B. 30
C. 6
D. 14
[单选题]帧中继环境中,在物理端口上,建立子接口的命令是()
A. create
B. interface
C. encapsulation
D. ip address
[单选题]100baseT的速率是()Mbit/s
A. 1
B. 10
C. 100
D. 1000
[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
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