Which task is performed during the Systems Monitoring service component in the operate phase?

Which task is performed during the Systems Monitoring service component in the operate phase?

A.
Populate and maintain configuration management database.

B.
Manage passwords, rights, and permissions.

C.
Update security signatures.

D.
Collect performance data for reporting, such as CPU, memory, storage, licenses and port utilization, and availability data.

E.
Test system connectivity.