| Q1: | Is Telnet a server application, a client application, or a protocol? |
| A1: | The term Telnet could refer to either the server or the client Telnet application, or it could refer to the Telnet protocol. |
| Q2: | Which file should you use if you want to designate a host as a trusted host? |
| A2: | Use the /etc/hosts.equiv file or the rhosts file in a user's home directory to designate a trusted host. |
| Q3: | What utility would tell me if the user Ethelred is currently logged in to the network? |
| A3: | The rwho utility displays information on current users. |