With syslog, what is a facility?

A.
Facilities are different connection interfaces to syslog. Each facility has its own device in
/dev/syslog/.

B.
From syslog’s point of view, each Unix process that issues messages is a facility.

C.
Facilities describe the severity of a log message such as emerg or info.

D.
When using remote logging, the hostname of the server that generated a message is called
facility.

E.
Facilities describe categories or groups of messages such as mail or auth.

Explanation: