CCENT Concepts Pt. 7

Question 1

Startup-config

Answer 1

Stores the initial configuration used

any time te switch reloads Cisco IOS.

Question 2

Running-config

Answer 2

Stores the currently used configuration
commands. This file changes
dynamically when someone enters
commands in configuration mode.

Question 3

line console 0

Answer 3

Global command that changes the

context to console configuration mode.

Question 4

line vty 1st-vty 2nd-vty

Answer 4

Global command that changes the
context to vty configuration mode for
the range of vty lines listed in the
command.

Question 5

login

Answer 5

Line (console and vty) configuration
mode. Tells IOS to prompt for a
password (no username).

Question 6

password pass-value

Answer 6

Line (console and vty) configuration
mode. Lists the password required if
the login command (with no other
parameters) is configured.

Question 7

interface type port-number

Answer 7

Global command that changes the
context to interface mode - for
example, interface Fastethernet 0/1

Question 8

(no) shutdown

Answer 8

Interface subcommand that
disables or enables the interface,
respectively.

Question 9

hostname name

Answer 9

Global command that sets this switch’s
hostname, which is also used as the
first part of the switch’s command
prompt.

Question 10

enable secret pass-value

Answer 10

Global command that sets
automatically encrypted enable secret
password. The password is used for
any user to reach enable mode.

Question 11

enable password pass-value

Answer 11

Global command that sets the cleartext
enable password, which is used
only when the enable secret password
is not configured.

Question 12

exit

Answer 12

Moves back to the next higher

mode in configuration mode.

Question 13

end

Answer 13

Exits configuration mode and goes
back to enable mode from any of the
configuration submodes.

Question 14

Ctrl-Z

Answer 14

This is nut a command, but rather a
two-key combination (the Ctrl key and
the letter z) that together do the same
thing as the end command.

Question 15

Configuring Usernames and
Secure Sheel (SSH)

Answer 15

# Line vty 0 15
# transport input telnet ssh
# username user-value password pass-value
# ip domain-name domain-value
# crypto key generate rsa

Question 16

show history

Answer 16

Lists the commands currently held

in the history buffer.

Question 17

history size x

Answer 17

From console or vty line configuration mode, sets
the default number of commands saved in the
history buffer for the user(s) of the console or vty
lines, respectively.

Question 18

terminal history size x

Answer 18

From EXEC mode, this command
allows a single user to set, just for this
one connection, the size of his or her
history buffer.

Question 19

Command to configure IP on a

switch

Answer 19

# configure terminal
# interface vlan 1
# ip address /network address/ /subnet/
# no shutdown
# exit

Question 20

show mac address-table dynamic

Answer 20

Lists the dynamically learned entries in

the switch’s address (forwarding) table.

Question 21

show dhcp lease

Answer 21

Lists any information the switch
acquires as a DHCP client. This
includes IP address, subnet, and
default gateway information.

Question 22

show crypto key mypubkey rsa

Answer 22

Lists the public and shared key created
for use with SSH using the crypto key
generate rsa global configuration
command.