2022思科认证模拟考试275

1. [单选题]命令ip nat pool aaa 192.1.1.2 192.1.1.10 netmask 255.255.255.0的作用是()

A. 指定可访问地址
B. 定义地址池
C. 指定路由
D. 定义哪些地址可以进行地址转换

2. [单选题]路由器的配置文件startup-config存放在()里

A. RAM
B. ROM
C. FLASH
D. NVRAM

3. [单选题]查看路由表的命令是：()

A. show interface
B. show run
C. show ip route
D. show table

4. [单选题]介质工作在OSI的哪一层（）

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]哪个命令可以成功测试网络：()

A. Router>ping192.5.5.0
B. Routerping192.5.5.30
C. Router>ping192.5.5.256
D. Routerping192.5.5.255

6. [单选题]下列对RIP的配置中，合法的命令是（）

A. router rip 100 network 10.12.0.0
B. router rip 100 network 10.0.0.0
C. router rip network 10.12.0.0
D. router rip 100 network 10.0.0.0

7. [单选题]After working on a router, some problems arise and you wish to view the commands that you recently entered. Which IOS command opens the history buffer and displays the most recently entered commands?

A. Show history
B. Show buffers
C. Show typed commands
D. Show terminal buffer
E. Show command
F. F. None of the above

8. [单选题]You have just purchased a brand new router and wish to have the router prompt you through the initial configuration commands. Which router mode does this describe?

A. ROM Monitor mode
B. SETUP mode
C. Autoflash mode
D. RXBOOT mode
E. None of the above

9. [多选题]When you compare the differences between half-duplex and full-duplex Ethernet, which of the following characteristics are exclusive to half-duplex? (Select two answer choices)

A. Half-duplex Ethernet operates in a shared collision domain.
B. Half-duplex Ethernet operates in an exclusive broadcast domain.
C. Half-duplex Ethernet has efficient throughput.
D. Half-duplex Ethernet has lower effective throughput.
E. Half-duplex Ethernet operates in an exclusive collision domain.

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