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IOS and Security Device Manager - Networking MCQ Questions and answers

Learn IOS and Security Device Manager mcq questions and answers with easy and logical explanations for various competitive examination, interview and entrance test Page-2 section-1

11
What command do you type to save the configuration stored in RAM to NVRAM?
Discuss
Answer & Solution
Answer: Option D
Solution:
To copy the running-config to NVRAM so that it will be used if the router is restarted, use the copy running-config startup-config command (copy run start for short).
12
You type Router#sh ru and receive an % ambiguous command error. Why did you receive this message?
Discuss
Answer & Solution
Answer: Option B
Solution:
The % ambiguous command error means that there is more then one possible command that starts with ru. Use a question mark to find the correct command.
13
If you wanted administrators to see a message when logging into the router, which command would you use?
Discuss
Answer & Solution
Answer: Option C
Solution:
The typical banner is a message of the day (MOTD) and is set by using the global configuration mode command banner motd.
14
How many simultaneous Telnet sessions does a Cisco router support by default?
Discuss
Answer & Solution
Answer: Option D
Solution:
Cisco routers, if they do not have the Enterprise edition of the IOS, will default to 5 simultaneous Telnet sessions.
15
You set the console password, but when you display the configuration, the password doesn't show up; it looks like this: 
[output cut]
Line console 0
    Exec-timeout 1 44
    Password 7098C0BQR
    Login
[output cut]
What cause the password to be stored like this?
Discuss
Answer & Solution
Answer: Option B
Solution:
The command service password-encryption, from global configuration mode, will encrypt the passwords.
16
Which command will show you whether a DTE or a DCE cable is plugged into serial 0?
Discuss
Answer & Solution
Answer: Option C
Solution:
The show controllers serial 0 command will show you whether either a DTE or DCE cable is connected to the interface. If it is a DCE connection, you need to add clocking with the clock rate command.
17
You want to totally reinitialize the router and replace the current running-config with the current startup-config. What command will you use?
Discuss
Answer & Solution
Answer: Option D
Solution:
To completely replace the running-config with the startup-config, you must reload the router. Note : You may have picked option C, which isn't a bad answer. Remember, though, it doesn't replace the configuration, it appends it.
18
If you delete the contents of NVRAM and reboot the router, what mode will you be in?
Discuss
Answer & Solution
Answer: Option C
Solution:
If you delete the startup-config and reload the router, the router will automatically enter setup mode. You can also type setup from privileged mode at any time.
19
What is the problem with an interface if you type show interface serial 0 and receive the following message? "Serial0 is administratively down, line protocol is down."
Discuss
Answer & Solution
Answer: Option B
Solution:
If an interface is shut down, the show interface command will show the interface as administratively shut down. (It is possible that no cable is attached, but you can't tell that from this message.)