CISCO-CCNA网络工程师题库

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CCNA题库

考试代号： 640-802

考试时间：英文110+30=140分钟

通过分数： 825

题库版本： V104.4

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CCNA题库战报交流区：

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CCNA（640-802）题库V104.4

CCNA（640-802）题库V104.4（情人节版）

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V104系列是官方的终结版本，以后不会再出V105 V106 V108等等

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更新内容：

V104.1修正V104中错误题目，确定经典争议题目答案；

V104.2增加拖图题并可完美模拟考试，VCE题库增加中文注释；

V104.3针对思科CCNA考试变题，更新考试新增题目93Q,更新V104.2实验题；

V104.4增加全文中文注释，汇总V104.3九次更新，删除部分旧题目，为目前最新官方正版题库；2011.8.1 增加每日新题，修订部分错误。

2012.2.14 情人节版

增加5道新题，分别是519、520、521、522、523题

修改176题、375题、443题、482题答案错误

修改59题、88题、453题、107题、270题注释错误

增加个别疑难拖图题注释，优化实验题

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QUESTION 1

When you are logged into a switch, which prompt indicates that you are in privileged mode?

(当您登录到交换机，哪种提示表明你在特权模式？)

A. %

B. @

C. >

D. $

E. #

Answer: E

Section: Chapter 4: Introduction to Cisco IOS

Explanation/Reference:

特权模式就是#提示符

QUESTION 2

Which command shows system hardware and software version information?

(哪些命令显示系统硬件和软件的版本信息？)

A. show configuration

B. show environment

C. show inventory

D. show platform

E. show version

Answer: E

Section: Chapter 4: Introduction to Cisco IOS

Explanation/Reference:

查看系统的软件和硬件信息使用的命令是show version

QUESTION 3

Cisco Catalyst switches CAT1 and CAT2 have a connection between them using ports FA0/13. An 802. 1Q trunk is configured between the two switches. On CA T1, VLAN 10 is chosen as native, but on CAT2 the native VLAN is not specified.What will happen in this scenario?

(思科 Catalyst 交换机 CAT1 和 CAT2 有它们之间的连接使用端口 FA0/13。两个交换机之间用802.1Q中继配置，CAT1做为VLAN10的主机，但在CAT2 上的本地VLAN 未指定。在这种情况下会发生什么？)

A. 802.1Q giants frames could saturate the link.

B. VLAN 10 on CAT1 and VLAN 1 on CA T2 will send untagged frames.

C. A native VLAN mismatch error message will appear.

D. VLAN 10 on CAT1 and VLAN 1 on CA T2 will send tagged frames.

Answer: C

Section: Chapter 10: VLAN

Explanation/Reference:

如果两边native不匹配的话.switch将报native不匹配的日志信息

QUESTION 4

Which command would correctly configure a serial port on a router with the last usable host address in the 192.216.32.32/29 subnet?

（哪个命令正确地将最后的可用主机地址，192.216.32.32/29 子网的路由器上配置的串行端口？）

A. Router(config-if)# ip address 192.216.32.38 255.255.255.240

B. Router(config-if)# ip address 192.216.32.39 255.255.255.224

C. Router(config-if)# ip address 192.216.32.63 255.255.255.248

D. Router(config-if)# ip address 192.216.32.39 255.255.255.248

E. Router(config-if)# ip address 192.216.32.63 255.255.255.248

F. Router(config-if)# ip address 192.216.32.38 255.255.255.248

Answer: F

Section: Chapter 4: Introduction to Cisco IOS

Explanation/Reference:

192.216.32.32/29它的块大小为8掩码为255.255.255.248地址范围为192.216.32.32-39

QUESTION 5

The network default gateway applying to a host by DHCP is 192.168.5.33/28. Which option is the valid IP address of this host?(应用到由 DHCP 主机的网络默认网关是 192.168.5.33\/28。哪个选项是有效的主机IP 地址？)

A. 192.168.5.55

B. 192.168.5.47

C. 192.168.5.40

D. 192.168.5.32

E. 192.168.5.14

Answer: C

Section: Chapter 3: IP Addressing and VLSM

Explanation/Reference:

考点：考查VLSM

192.168.5.33/28所在网段的范围是192.168.5.32--192.168.5.47/28

A：超出范围

B：广播地址

C：正确

D：网络号

E：超出范围

QUESTION 6

Which two addresses can be assigned to a host with a subnet mask of 255.255.254.0? (Choose two.){哪两个地址可以分配给与子网掩码 255.255.254.0 的主机？}

A. 113.10.4.0

B. 186.54.3.0

C. 175.33.3.255