Which action can a DBA take to retrieve bufferpool metrics information?

A.
Ensure the MON_OBJ_METRICS configuration parameter is enabled and query the BP_HITRATIO table
function.

B.
Ensure the MON_ACT_METRICS configuration parameter is enabled and query the BP_HITRATIO
administrative view.

C.
Ensure the MON_OBJ_METRICS configuration parameter is enabled and query the
MON_GET_BUFFERPOOL table function.

D.
Ensure the MON_ACT_METRICS configuration parameter is enabled and query the
MON_GET_BUFFERPOOL administrative view.