After configuring domain name, username, and password on a router, which command generates the RSA key pair required for SSH?

The crypto key generate rsa command is used to create the RSA (Rivest-Shamir-Adleman) key pair necessary for SSH (Secure Shell) to encrypt and decrypt data. This command prompts the user to specify the modulus size for the key, which determines its strength. Without an RSA key pair, SSH cannot establish secure connections. crypto key import rsa pem is used to import an existing RSA key from a PEM-encoded file, not generate a new one. crypto key zeroize rsa is used to securely delete existing RSA keys, effectively removing them from the device. crypto key pubkey-chain rsa is related to managing public keys for authentication, not generating the device's own RSA key pair.