You are a network&#8

You are a network technician at Certpaper.com. Which description is correct when you have generated RSA keys on your Cisco router to prepare for secure device management？（）

• AYou must then specify the general-purpose key size used for authentication with the crypto key generaters a general-keys modulus command.
• BYou must then zeroize the keys to reset secure shell before configuring other parameters.
• CAll vty ports are automatically enabled for SSH to provide secure management.
• DThe SSH protocol is automatically enabled.