ssh protocol
Yes, but beware. Simply starting the telnet service on the PC will allow remote access, but telnet in known to be insecure. Also, additional configuration may be required if the PC being accessed remotely is not internet-facing, if in fact you are trying to access the remote PC over the web.
what osi layers use telnet connections for remote use
Telnet
Telnet does not encrypt anything; that is why it is too insecure to use as a network protocol.
Telnet
It can be used for a lot of protocols, including Telnet and VNC.
Telnet offers no encryption, everything sent is in clear text including passwords.
Telnet allows clients to connect to other remote systems.
You don't. Use telnet, rlogin or ssh.
Password recovery
TELNET