What two tasks should be done before configuring SSH server operations on Cisco routers? (Choose two.)

A.
Upgrade routers to run a Cisco IOS Release 12.1(1)P image.

B.
Upgrade routers to run a Cisco IOS Release 12.1(3)T image or later with the IPsec feature set.

C.
Ensure routers are configured for external ODBC authentication.

D.
Ensure routers are configured for local authentication or AAA for username and password authentication.

E.
Upgrade routers to run a Cisco IOS Release 11.1(3)T image or later with the IPsec feature set.