Update.
Which tasks can be accomplished by using the command history feature? (Choose two.)
View a list of commands entered in a previous session.
Recall up to 15 command lines by default.
Set the command history buffer size.
Recall previously entered commands.
Save command lines in a log file for future reference. - Correct Answer Set the command
history buffer size.
Recall previously entered commands.
What is the first action in the boot sequence when a switch is powered on?
load the default Cisco IOS software
load boot loader software
low-level CPU initialization
load a power-on self-test program - Correct Answer load a power-on self-test program
What must an administrator have in order to reset a lost password on a router?
a TFTP server
a crossover cable
access to another router
physical access to the router - Correct Answer physical access to the router
When configuring a switch for SSH access, what other command that is associated with
the login local command is required to be entered on the switch?
enable secret password
password password
,username username secret secret
login block-for seconds attempts number within*seconds* - Correct Answer username
username secret secret
Which command displays information about the auto-MDIX setting for a specific
interface?
show interfaces
show controllers
show processes
show running-config - Correct Answer show controllers
If one end of an Ethernet connection is configured for full duplex and the other end of the
connection is configured for half duplex, where would late collisions be observed?
on both ends of the connection
on the full-duplex end of the connection
only on serial interfaces
on the half-duplex end of the connection - Correct Answer on the half-duplex end of the
connection
Which command is used to set the BOOT environment variable that defines where to find
the IOS image file on a switch?
config-register
boot system
boot loader
confreg - Correct Answer boot system
What does a switch use to locate and load the IOS image?
BOOT environment variable
IOS image file
POST
, startup-config
NVRAM - Correct Answer BOOT environment variable
Which protocol adds security to remote connections?
FTP
HTTP
NetBEUI
POP
SSH - Correct Answer SSH
What is a characteristic of an IPv4 loopback interface on a Cisco IOS router?
The no shutdown command is required to place this interface in an UP state.
It is a logical interface internal to the router.
Only one loopback interface can be enabled on a router.
It is assigned to a physical port and can be connected to other devices. - Correct Answer It
is a logical interface internal to the router.
What is the minimum Ethernet frame size that will not be discarded by the receiver as a
runt frame?
64 bytes
512 bytes
1024 bytes
1500 bytes - Correct Answer 64 bytes
After which step of the switch bootup sequence is the boot loader executed?
after CPU initialization
after IOS localization
after flash file system initialization