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1. [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
2. [单选题]You wish to segment your LAN into multiple broadcast domains. Which technology method should you implement in order to do this?
A. Transparent bridging
B. Cut-through switching
C. Fragment-free switches
D. Virtual LANs
E. Store-and-forward switching
F. F. None of the above
3. [单选题]扩展ACL和标准ACL的区别()。
A. 标准的ACL在禁止和允许方面比扩展的ACL更高的精度
B. 扩展的ACL核查数据包的源地址(source address)和目标地址和端口号
C. 他们都可以查端口号
D. 他们都可以查特殊协议和其他参数
4. [多选题]默认情况下,IGRP衡量路径好坏时,考虑的因素为()
A. 带宽
B. 可靠性
C. 最大传输单元
D. 延时
5. [单选题]默认情况下,RIP定期发送路由更新的时间是()
A. 15S
B. 30S
C. 60S
D. 90S