You copy a configuration from a network host to a router’s RAM. The configuration looks correct, yet it is not working at all. What could the problem be?
You copied the wrong configuration into RAM.
You copied the configuration into flash memory instead.
The copy did not override the shutdown command in running-config.
The IOS became corrupted after the copy command was initiated.
A network administrator wants to upgrade the IOS of a router without removing the image currently installed. What command will display the amount of memory consumed by the current IOS image and indicate whether there is enough room available to hold both the current and new images?
show version
show flash
show memory
show buffers
show running-config
The corporate office sends you a new router to connect, but upon connecting the console cable, you see that there is already a configuration on the router. What should be done before a new configuration is entered in the router?
RAM should be erased and the router restarted.
Flash should be erased and the router restarted.
NVRAM should be erased and the router restarted.
The new configuration should be entered and saved.
Which command loads a new version of the Cisco IOS into a router?
copy flash ftp
copy ftp flash
copy flash tftp
copy tftp flash
Which command will show you the IOS version running on your router?
sh IOS
sh flash
sh version
sh running-config
What should the configuration register value be after you successfully complete the password recovery procedure and return the router to normal operation?
0x2100
0x2101
0x2102
0x2142
You are unsuccessful in telnetting into a remote device, but you could telnet to the router earlier. What could the problem be?
IP addresses are incorrect.
Access control list is filtering Telnet.
There is a defective serial cable.
The VTY password has been removed.
What information is displayed by the show hosts command?
The names of the routers created using the hostname command
The IP addresses of workstations allowed to access the router
Permanent name-to-address mappings created using the ip host command
The length of time a host has been connected to the router via Telnet
Which command displays the configuration register setting?
show ip route
show boot version
show version
show flash