A security administrator has deployed five additional copies of the same virtualized Linux server to distribute the load of web traffic on the original server. Which of
the following should the administrator do to help security harden these new systems? (Select TWO).

A.
Configure for dual factor authentication

B.
Team/Bond network adapters

C.
Add virtual machine software extensions

D.
Deploy unique public keys to each virtual server

E.
Disable HTTP protocols

F.
Generate new SSH keys