Chapter 20 - Managing IOS Files

Question 1

Where is the Cisco IOS software stored?

Answer 1

Flash

Question 2

Where is the bootstrap and program and ROMMON stored?

Answer 2

ROM

Question 3

Where is the startup configuration stored?

Answer 3

NVRAM

Question 4

What command would copy the IOS image to flash memory from a tftp server?

Answer 4

Copy tftp flash

Question 5

Where is the running configuration stored?

Answer 5

RAM

Question 6

Which hex digit in the configuration register is called the boot field?

Answer 6

The last hex digit.

Question 7

If the boot field is = 0, what does this tell the router to do?

Answer 7

Boot from ROMMON IOS.

Question 8

If the boot field = 1, what does this tell the router to do?

Answer 8

Boot from the first IOS file in flash memory.

Question 9

If the boot field is 2-F, what does this tell the router to do?

Answer 9

A. Try each boot system command in the startup-config file, in order, until one works.
B. If one of the boot system commands work, load the first IOS file found in flash memory.

Question 10

What show command lists the version of software, the source from which the router found the IOS image, and the time since it loaded the IOS?

Answer 10

show version

Question 11

What are 3 steps to password recovery for a Cisco device?

Answer 11

Step 1. Boot ROMMON, either by breaking into the boot process from the console or by first removing all the flash memory.
Step 2. Set the configuration register to ignore the startup-config file (for example, confreg 0x2142)
Step 3. Boot the router with an IOS, and now you can reach enable mode from the console without needing any passwords.