Scenario: A Citrix Administrator has customized some NetScaler configuration files. The
administrator now plans on upgrading the NetScaler Gateway from NetScaler 10.1 to NetScaler 10.5.
What should the administrator do prior to the upgrade to avoid losing the customizations?

A.
Backup the ns.conf file.

B.
Backup the files in the /var/netscaler directory.

C.
Move the customized files to a backup directory.

D.
Move the customized files to the /nsconfig directory.