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Module 6_S3

   Trong: CCNA
 
Jan 15 2008, 11:13 AM     Bởi: lehuy0305
1.
A group of hosts has been connected to a new Fast Ethernet switch. Which of the following statements describe this newly created LAN, if the new switch has not yet been configured? (Choose three.)
The hosts will negotiate 10 Mbps or 100 Mbps bandwidth with the switch, as required by their NICs.
The hosts will be in separate broadcast domains.
All of the hosts will be in the same VLAN.
Hosts with 10 Mbps NICs will be unable to communicate with the network.
All of the hosts should be able to send and receive ARP messages from each other.
All of the hosts connected by Ethernet can manage the switch over Telnet or HTTP.
2.
An old workstation has been replaced with a new one. The workgroup switch, a Catalyst 2950, is not learning the MAC address of the new workstation. A network technician has verified that a static MAC address is not configured on the attached switch port. Which two commands can the technician issue at the switch CLI to further troubleshoot the problem? (Choose two.)
Switch# show port security
Switch# show version
Switch# show startup-config
Switch# clear mac-address-table dynamic
Switch# reload
Switch# delete flash:vlan.dat
3.
After powering up a switch, the network technician notices that the system LED is amber. What can the technician assume? (Choose two.)
The switch is negotiating full or half-duplex mode.
The switch has completed negotiating 10 or 100 Mbps speed.
The POST has failed.
The boot sequence is in process.
A fatal error has occurred.
The switch is operating properly and is ready for service.
4.
Which switch command mode should always be password protected?
User Command
User Config
User EXEC
User Privileged
Privileged EXEC
5.
Which type of cable is used to connect to the console port on a switch?
a crossover cable
a patch cable
a rollover cable
a straight-thru cable
6.
Which files must be deleted in order to completely remove an existing configuration from a Cisco 2950 switch? (Choose two.)
flash:c2950-c3h2s-mz.120-5-3.WC.1.bin
running-config
VLAN.bin
startup-config
c2950-c3h2s-mz.120-5-3.WC.1.dat
VLAN.dat
7.
A workstation on a switched Ethernet LAN is to be upgraded with a new Fast Ethernet NIC. What should be done to ensure that the workstation will be able to gain access to the network?
delete the configuration file from the switch and reload IOS
deactivate port security on the port until the new host has connected to the network
remove the host from the the management VLAN until the new MAC address has been learned by the switch
delete the VLAN.dat file from flash and reboot the switch
configure the attached switch port for full-duplex mode
8.
Which commands can be used to change from Global Configuration mode to Privileged EXEC mode? (Choose three.)
Ctrl+z
disable
end
exit
logout
9.
Which protocol is used to copy a new IOS image to a Catalyst switch during the upgrade procedure?
HTTP
Telnet
TFTP
TTY
IOS
10.
A new policy for disaster recovery requires copying all critical network configurations and operating systems to a backup server that will be stored offsite. Which command will create a backup of the switch IOS image on the server?
Switch# copy tftp NVRAM
Switch# copy running-config tftp
Switch# copy flash tftp
Switch# copy IOS tftp
Switch# copy tftp flash
Switch# copy NVRAM tftp
11.
What must be done in order to initiate the password recovery procedure on a Catalyst 2900 series switch?
Rename the Flash file.
Enter the setup program by deleting the switch configuration file and rebooting the switch.
Hold down the MODE button during switch startup.
Wait for the STAT LED to turn green while holding down the Break key.
Hold down the Ctrl-Break keys during switch startup.
12.
What is the name of the series of tests that execute every time a switch is powered on?
RPS
bootstrap
power-on self test
system STAT
pre-boot
13.
What color is the System LED if the switch fails the POST?
amber
green
red
white
off
14.
Which methods can be used to perform the initial configuration of a new switch? (Choose two.)
copy a configuration from a FTP server
type commands manually after entering the Privileged EXEC mode
enter the System Configuration dialog
Telnet to a local server to copy a configuration file
connect to the switch using a web browser
15.
An administrator is using the switch help facility to find the command elements available to the configure command. What would the user type at the command prompt to display the next set of arguments available in the syntax for this command?
Switch# c?
Switch# c ?
Switch# configure?
Switch# configure ?
16.
From which switch command mode can the configure command be used?
config
user EXEC
privileged EXEC
command EXEC
flash
17.
Although the backup configuration file on a Catalyst 2950 switch has been erased, it is found that VLANs are still configured in the switch. What must be done to clear the configured VLANs?
The vlan.dat file must be erased and the switch reloaded.
The switch flash memory must be purged and the switch rebooted.
The vlan.cfg file must be renamed and IOS restarted.
Each VLAN needs to be deleted individually and the configuration saved.
The switch needs to be restarted, because the old running configuration is still in memory.
18.
How long will a host MAC address remain in the address table of a switch after the host has been turned off or moved to another device?
30 seconds
180 seconds
300 seconds
30 minutes
19.
When the copy tftp flash command is used to upgrade the IOS on a switch, which symbol indicates that the image was copied successfully?
e
*
!
s
#

 

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