[单选题]IP扩展访问列表的数字标示范围是多少()。
正确答案 :C
100-199
[单选题]在地址转换中,()用来规定哪些数据包需要进行地址转换
正确答案 :B
访问控制列表
[单选题]网关的功能()
正确答案 :B
不同网段通信
[单选题]某台PC,能ping通路由器,但不能telnet到路由器,可能的原因是()
正确答案 :D
telnet密码未设置
[单选题]A Ezonexam switch is configured with all ports assigned to VLAN 2. In addition, all ports are configured as full-duplex FastEthernet. What is the effect of adding switch ports to a new VLAN on this switch?
正确答案 :D
An additional broadcast domain will be created.
解析:解析:Explanation:
[单选题]100baseT的速率是()Mbit/s
正确答案 :C
100
[单选题]为了禁止网络210.93.105.0ftp到网络223.8.151.0,允许其他信息传输,则能实现该功能的选项是:()
正确答案 :D
access-list 100 deny tcp 210.93.105.0 0.0.0.255 223.8.151.00.0.0.255 eq ftp access list 100 permit ip any any
[单选题]OSI七层模型中,传输层的数据封装名称为()
正确答案 :D
段
[多选题]Regarding the extended ping command; which of the statements below are true?(Select all valid answer choices)
正确答案 :BDE
The extended ping command is available from privileged EXEC mode.
With the extended ping command you can specify the timeout value.
With the extended ping command you can specify the datagram size.
解析:解析:Explanation:
[单选题]帧中继环境下,为了区分虚电路,应该使用的地址是()
正确答案 :C
DLCI
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