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2022思科认证模拟考试题312

来源: 布丁学网    发布:2022-11-09     [手机版]    
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布丁学网发布2022思科认证模拟考试题312,更多思科认证的模拟考试请访问布丁学网计算机类考试频道。

1. [单选题]在OSPF的DR/BDR选举过程中,在路由器有相同的接口优先级情况下,什么用于确定DR或BDR()

A. 最高的OSPF进程ID
B. 最低的接口IP地址
C. 最低的接口开销
D. 路由器ID


2. [单选题]关于静态NAT,下面()说法是正确的。

A. 静态NAT转换在缺省情况下24小时后超时
B. 静态NAT转换从地址池中分配
C. 静态NAT将内部地址一对一静态映射到内部全局地址
D. CISCO路由器缺省使用了静态NAT


3. [单选题]100baseT的速率是()Mbit/s

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


4. [单选题]OSI七层模型中,“包”是哪一层数据封装的名称()

A. 物理层
B. 数据链路层(data link layer)
C. 网络层
D. 传输层


5. [单选题]路由器“路由模式”的提示符号是()

B. (config)
C. (config-if)
D. (config-router)


6. [单选题]OSI七层模型中,物理层的数据封装名称为()

A. 比特
B. 帧
C. 包
D. 段


7. [多选题]在配置帧中继子接口时,在物理接口上应该配置的内容是:()

A. 配置IP地址
B. 封装帧中继协议(fr protocol)
C. 指定子接口类型(interface state type)
D. 设定子接口
E. 配置密码


8. [单选题]路由表中,某条路由的“路由代码为D”,则表明该路由为()

A. 直连路由
B. 静态路由
C. IGRP路由
D. EIGRP路由


9. [多选题]Regarding DHCP (dynamic host configuration protocol), which two of the following choices below are true? (Select two answer choices)

A. The DHCP Discover message uses FF-FF-FF-FF-FF as the Layer 2 destination address.
B. The DHCP Discover message uses UDP as the transport layer protocol.
C. The DHCP Discover message uses a special Layer 2 multicast address as the destination address.
D. The DHCP Discover message uses TCP as the transport layer protocol.
E. The DHCP Discover message does not use a Layer 2 destination address.
F. F. The DHCP Discover message does not require a transport layer protocol.


10. [多选题]With regard to Ethernet media access methods, which of the following are true?(Choose all that apply.)

A. A device waits for an electronic signal before transmitting.
B. A device listens and waits until the media is not busy before transmitting.
C. All devices on an Ethernet segment see data that passes on the network medium.
D. Only the sender and the receiver devices see data that passes on the network medium.
E. Ethernet networks allow you to configured devises with higher transmission priority.


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