You want to be warned automatically when more than 100 sessions are opened with your database instance.Identify the action that would help you achieve this.
A. Set the TRACE_ENABLED parameter to TRUE
B. Set the threshold for the Current Logons Count metric
C. Set the LOG_CHECKPOINT_TO_ALERT parameter to TRUE
D. Set the SESSIONS_PER_USER limit in the profiles used by users
Answer:A
You want to be warned automatically when more than 100 sessions are opened with your database instance.Identify the action that would help you achieve this.
A. Set the TRACE_ENABLED parameter to TRUE B. Set the threshold for the Current Logons Count metric C. Set the LOG_CHECKPOINT_TO_ALERT parameter to TRUE D. Set the SESSIONS_PER_USER limit in the profiles used by users
Explanation: A metric is defined as the rate of change in some cumulative statistic. This rate can be measured against a variety of units, including time, transactions, or database calls. For example, the number database calls per second is a metric.