What should be done prior to backing up an IOS image to a TFTP server? (Choose three.)
A.
Make sure that the server can be reached across the network.
B.
Check that authentication for TFTP access to the server is set.
C.
Assure that the network server has adequate space for the IOS image.
D.
Verify file naming and path requirements.
E.
Make sure that the server can store binary files.
F.
Adjust the TCP window size to speed up the transfer.
This question is to examine the Cisco IOS management. Prior to backing up an IOS image to a TFTP server, the following actions should be taken:
Ensure the accessibility between the TFTP server and the device. Use the show version command to examine the IOS information to ensure that the network server has adequate space for the IOS image.
So we choose A, C, D.