Which two configurations are necessary to enable password-less SSH login to an IOS router? (Choose two.)
A. Enter a copy of the administrator’s public key within the SSH key-chain
B. Enter a copy of the administrator’s private key within the SSH key-chain
C. Generate a 512-bit RSA key to enable SSH on the router
D. Generate an RSA key of at least 768 bits to enable SSH on the router
E. Generate a 512-bit ECDSA key to enable SSH on the router
F. Generate a ECDSA key of at least 768 bits to enable SSH on the router
