多选题What should be done prior to backing up an IOS image to a TFTP server? （）AMake sure that the server can be reached across the network.BCheck that authentication for TFTP access to the server is set.CAssure that the network server has adequate space for the IOS image.DVerify file naming and path requirements.EMake sure that the server can store binary files.FAdjust the TCP window size to speed up the transfer.
多选题
What should be done prior to backing up an IOS image to a TFTP server? （）
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.
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