Answers to Review Questions
405
Answers to Review Questions
1.
B. The command to see the host table, which resolves hostnames to
IP addresses, is show host or show hosts.
2.
E. To copy the IOS to a backup host, which is stored in flash memory
by default, use the copy flash tftp command.
3.
C. To copy a configuration of a router stored on a TFTP host to a
router's NVRAM, use the copy tftp startup-config command.
4.
A, D. To copy a configuration of a router stored on a TFTP host to a
router's RAM, you can use copy tftp running-config or config net.
5.
B. RAM is used to store packet buffers and routing tables, among
other things.
6.
C. The
command
ip
host hostname ip_addresses is used to create
a host table on a Cisco router. The second IP address will only be tried
if the first one does not work.
7.
D. The
command
copy
tftp flash will allow you to copy a new IOS
into flash memory on your router.
8.
C. The best answer is show version, which shows you the IOS file
running currently on your router. The show flash shows you the
contents of flash and not which file is running.
9.
A. The
copy
running-config startup-config command copies
the configuration stored in RAM to NVRAM.
10.
D. To copy a configuration of a router from DRAM to a TFTP host,
use the copy running-config tftp command.
11.
D. To keep open multiple Telnet sessions, use the Ctrl
+Shift+6, then
X keystroke combination.
12.
C. The command boot system tftp IOS-name TFTP_server_
address
will load an IOS image file from a TFTP server when the
router is reloaded.
13.
C. The
show
version command will show you the IOS names and
the source from which it was loaded, the configuration register setting,
and the software version.
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