6.
Which of the following commands displays the configurable parameters and statistics of all interfaces on a router?
A. show running-config
B. show startup-config
C. show interfaces
D. show versions
Answer & Explanation
Answer: Option C
Explanation:
With the show interfaces command, you can view the configurable parameters, get statistics for the interfaces on the router, verify if the interfaces are shut down, and see the IP address of each interface.
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7.
Which of the following commands will configure all the default VTY ports on a router?
A. Router#line vty 0 4
B. Router(config)#line vty 0 4
C. Router(config-if)#line console 0
D. Router(config)#line vty all
Answer & Explanation
Answer: Option B
Explanation:
From global configuration mode, use the line vty 0 4 command to set all five default VTY lines.
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8.
You need to find the broadcast address used on a LAN on your router. What command will you type into the router from user mode to find the broadcast address?
A. show running-config
B. show startup-config
C. show interfaces
D. show protocols
Answer & Explanation
Answer: Option C
Explanation:
The command show ip protocols will actually show you the broadcast address for each interface – too bad it isn’t a possible answer. Your best answer is show interfaces, which will provide the IP address and mask for each interface.
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9.
Which command will delete the contents of NVRAM on a router?
A. delete NVRAM
B. delete startup-config
C. erase NVRAM
D. erase start
Answer & Explanation
Answer: Option D
Explanation:
The erase startup-config command erases the contents of NVRAM and will put you in setup mode if the router is restarted.
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10.
What keystroke will terminate setup mode?
A. Ctrl+Z
B. Ctrl+^
C. Ctrl+C
D. Ctrl+Shift+^
Answer & Explanation
Answer: Option C
Explanation:
You can exit setup mode at any time by using the keystroke Ctrl+C.