1. | You copy a configuration from a network host to a router's RAM. The configuration looks correct, yet it is not working at all. What could the problem be? |
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Answer: Option C Explanation: Since the configuration looks correct, you probably didn't screw up the copy job. However, when you perform a copy from a network host to a router, the interfaces are automatically shut down and need to be manually enabled with the no shutdown command. |
2. | A network administrator wants to upgrade the IOS of a router without removing the image currently installed. What command will display the amount of memory consumed by the current IOS image and indicate whether there is enough room available to hold both the current and new images? |
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Answer: Option B Explanation: The show flash command will provide you with the current IOS name and size and the size of flash memory. |
3. | You need to gather the IP address of a remote switch that is located in Hawaii. What can you do to find the address? |
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Answer: Option D Explanation: Although option A is certainly the "best" answer, unfortunately option D will work just fine and your boss would probably prefer you to use the show cdp neighbors detail command. |
4. | Which command will show you the IOS version running on your router? |
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Answer: Option C Explanation: The best answer is show version, which shows you the IOS file running currently on your router. The show flash command shows you the contents of flash memory, not which file is running. |
5. | The corporate office sends you a new router to connect, but upon connecting the console cable, you see that there is already a configuration on the router. What should be done before a new configuration is entered in the router? |
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Answer: Option C Explanation: Before you start to configure the router, you should erase the NVRAM with the erase startup-config command and then reload the router using the reload command. |
6. | You save the configuration on a router with the copy running-config startup-config command and reboot the router. The router, however, comes up with a blank configuration. What can the problem be? |
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Answer: Option C Explanation: If you save a configuration and reload the router and it comes up either in setup mode or as a blank configuration, chances are you have the configuration register setting incorrect. |
7. | What does the command o/r 0x2142 provide? |
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Answer: Option B Explanation: The default configuration setting is 0x2102, which tells the router to load the IOS from flash and the configuration from NVRAM. 0x2142 tells the router to bypass the configuration in NVRAM so that you can perform password recovery. |
8. | You telnet into a remote device and type debug ip rip, but no output from the debug command is seen. What could the problem be? |
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Answer: Option C Explanation: To see console messages through your Telnet session, you must enter the terminal monitor command. |