1. [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
2. [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
A. 在线用户表
B. 访问控制列表
C. MAC地址表
D. 路由表
3. [单选题]网关的功能（）
A. 过滤数据包
B. 不同网段通信
C. 校验数据帧
D. 把数据封装成“段”
4. [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（）
A. PC的IP地址设置错误
B. 路由器端口IP设置错误
C. 路由器端口处于关闭状态
D. telnet密码未设置
5. [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?
A. The additions will create more collisions domains.
B. IP address utilization will be more efficient.
C. More bandwidth will be required than was needed previously.
D. An additional broadcast domain will be created.
E. The possibility that switching loops will occur will increase dramatically.
6. [单选题]100baseT的速率是()Mbit/s
A. 1
B. 10
C. 100
D. 1000
7. [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：()
A. access-list 1 deny 210.93.105.0.0.0.0.0.0
B. access-list 100 deny tcp 210.93.105.0 0.0.0.255 223.8.151.0 0.0.0.255 eq ftp
C. access-list 100 permit ip any any
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
8. [单选题]OSI七层模型中，传输层的数据封装名称为（）
A. 比特
B. 帧
C. 包
D. 段
9. [多选题]Regarding the extended ping command; which of the statements below are true?(Select all valid answer choices)
A. The extended ping command is supported from user EXEC mode.
B. The extended ping command is available from privileged EXEC mode.
C. With the extended ping command you can specify the TCP and UDP port to be pinged.
D. With the extended ping command you can specify the timeout value.
E. With the extended ping command you can specify the datagram size.
10. [单选题]帧中继(frame relay)环境下，为了区分虚电路，应该使用的地址是（）
A. IP地址
B. MAC地址
C. DLCI
D. IPX地址
