计算机2022思科认证工程师模拟试题226

1. [单选题]IP地址为：192.168.50.70，掩码为：255.255.255.248，则该IP地址所在子网的子网有效IP为（）

A. 192.168.50.33---192.168.50.39
B. 192.168.50.41---192.168.50.50
C. 192.168.50.65---192.168.50.70
D. 192.168.50.66---192.168.50.75

2. [单选题]帧中继^{(frame relay)}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

3. [单选题]基本IP访问权限表的表号范围是：()

A. 1—100
B. 1-99
C. 100-199
D. 800-899

4. [多选题]请选出交换机处理帧的三种模式：()

A. 直通模式
B. 存储转发模式
C. 侦测模式
D. 分段模式
E. 阻塞模式

5. [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

6. [多选题]As the Ezonexam network administrator, you are required to have a firm understanding of the OSI model. Why does the data communication industry use the layered OSI reference model? (Choose two)

A. It enables equipment from different vendors to use the same electronic components, thus saving research and development funds
B. It encourages industry standardization by defining what functions occur at each layer of the model
C. It divides the network communication process into smaller and simpler components; thus aiding component development, design and troubleshooting
D. It provides a means by which changes in functionality in one layer require changes in other layers
E. It supports the evolution of multiple competing standards and thus provides business opportunities for equipment manufacturers

7. [单选题]路由器“特权模式”的提示符是：（）

A. >
B.
C. (config)
D. (config-if)

8. [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

9. [单选题]为了连接“帧中继^{(frame relay)}”线路，网络中的路由器需要提供的端口类型为（）

A. FastEthernet
B. Serial
C. BRI
D. Ethernet

10. [单选题]100baseT的速率是()Mbit/s

A. 1
B. 10
C. 100
D. 1000

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