You want to manage systems and devices on a network with traps that signal the occurrence of an event.
In this scenario, which protocol would you use? request and retrieval of data, the setting or writing of data, and traps that signal the occurrence of events.

A.
TLS

B.
CDMI

C.
SMTP

D.
SNMP

Explanation:
The data being monitored and managed is defined by a MIB. The functions supported by the protocol are the
Reference: http://www.snia.org/education/dictionary/s