User smith on station2 is trying to chat with the remote user bob on station1 using the talk
command. smith receives an error message as shown below:
[smith@station2 ~]$talk [email protected]
[No connection yet]
[ Error on read from talk daemon: Connection refused ]
[smith@station2 ~]$
What can the root user do to resolve the issue? (Choose two.)
A.
let smith retry talk by reading from STDIN and sending to bob
B.
let smith retry talk after changing the group of talk command to tty
C.
let smith retry the talk request with UDP port 518 open on both systems
D.
let smith retry talk after restarting the xinetd service with ntalk enabled on both systems
E.
let smith retry talk after restarting the network service with the UDP port 517 blocked on both
systems
Explanation: