What client authentication mechanisms are supported on the Cisco IOS SSH server?
A. Cisco IOS SSH version 2 (SSHv2) supports keyboard-interactive and password-based authentication methods. In addition to these authentication methods, the SSHv2 Enhancements for RSA Keys feature (available starting with Cisco IOS Software Release 15.0(1)M) supports RSA-based public key authentication for the client and server. For additional information on the authentication mechanisms supported by the Cisco IOS SSH server, refer to Secure Shell Version 2 Support.