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1. [单选题]某网络中，拟设计10子网，每个子网中放有14台设备，用IP地址段为199.41.10.X，请问符合此种规划的子网掩码(subnet mask)是()
A. 255.255.255.0
B. 255.255.240.0
C. 255.255.255.240
D. 255.248.0.0
2. [单选题]下面有关交换机的描述中，正确的是（）
A. 所有交换机都支持VLAN功能
B. 交换机端口数量最多为48口
C. 交换机独占带宽
D. 交换机端口的最大速率为100Mbit/s
3. [单选题]下列命令中，无法正确执行的是（）
A. Router(config)show run
B. Routerping 127.0.0.1
C. Router(config)hostname cisco
D. Routerreload
4. [单选题]路由器上端口fa0/0,其最大传输速率是（）Mbit/s
A. 128
B. 10
C. 100
D. 1000
5. [单选题]Given that you have a class B IP address network range, which of the subnet masks below will allow for 100 subnets with 500 usable host addresses per subnet?
A. 255.255.0.0
B. 255.255.224.0
C. 255.255.254.0
D. 255.255.255.0
E. 255.255.255.224
6. [单选题]路由器“路由模式”的提示符号是（）
B. (config)
C. (config-if)
D. (config-router)
7. [单选题]路由器上，清空路由表的命令是（）
A. clear ip
B. delete ip route
C. delete route
D. clearip route*
8. [单选题]在路由表中到达同一网络的路由有：静态路由、RIP路由、IGRP路由，OSPF路由，则路由器会选用哪条路由传输数据：()
A. 静态路由
B. RIP路由
C. IGRP路由
D. OSPF路由
9. [多选题]You need to describe the various types of flow control to your co-workers. Which of the following are types of flow control that can be used in a network? (Choose three)
A. Congestion avoidance
B. Windowing
C. Cut-through
D. Buffering
E. Load Balacing
F. F. Fast Forward
10. [多选题]As a Ezonexam trainee you are required to set the default gateway on a Cisco switch to the IP address of 192.168.1.115. Which IOS command should you use?
A. TestKSwitch(config) ip route-default 192.168.1.115
B. TestKSwitch(config) ip default-gateway 192.168.1.115
C. TestKSwitch(config) ip route 192.168.1.115 0.0.0.0
D. TestKSwitch(config) ip default-network 192.168.1.115
E. None of the above
