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Answers to the Chapter 2 Q&A Section
705
13
What configuration command is used to tell the router the password that is required at the
console? What configuration mode context must you be in--that is, what command(s)
must you type before this command after entering configuration mode? List the commands
in the order in which they must be typed while in config mode.
line console 0
password xxxxxxx
The
password
command tells the IOS the value that should be typed when a user wants
access from the console. This value is requested by the IOS because of the login
command. The password xxxxxxx must be typed while in console configuration mode,
which is reached by typing line console 0.
14
What are the primary purposes of Flash memory in a Cisco router?
To store IOS and microcode files and to allow remote loading of new versions of these
files. In most routers, only an IOS is found. If microcode is upgraded, the files also reside
in Flash memory.
15
What is the intended purpose of NVRAM memory in a Cisco router?
To store a single configuration file, used at router load time. NVRAM does not support
multiple files.
16
What does the NV stand for in NVRAM?
Nonvolatile. NVRAM is battery powered if it is really RAM. In some routers, Cisco has
(sneakily) used a small portion of Flash memory for the purpose of NVRAM, but Cisco
would not ask such trivia on the test.
17
What is the intended purpose of RAM in a Cisco router?
RAM is used as IOS working memory (storing such things as routing tables or packets)
and for IOS code storage. (In some router models, not all the IOS is copied into RAM.
Some of the IOS is left in Flash memory so that more RAM is available for working
memory.)
18
What is the main purpose of ROM in a Cisco router?
To store a small limited-function IOS and to store bootstrap code. Typically, this IOS is
used only during maintenance or emergencies.
19
What configuration command would be needed to cause a router to use an IOS image
named c2500-j-l.112-14.bin on TFTP server 128.1.1.1 when the router is reloaded? If you
forgot the first parameter of this command, what steps must you take to learn the correct
parameters and add the command to the configuration? (Assume that you are not logged
in to the router when you start.)
boot system tftp 128.1.1.1 c2500-j-l.112-14.bin
apA.fm Page 705 Monday, March 20, 2000 5:24 PM