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QUESTION 64
In an Active Session History report, which response is correct?
A. 60 minutes of ASH data can be held in memory, so only 1 hour can be reported.
B. 60 minutes of ASH data can be held in memory, but more than 1 hour can be reported.
C. ASH data is available 24 hours because AWR snapshots refresh every night.
D. As ASH data is flushed every 60 seconds, you need to set up a snapshot with DBA_JOBS for what you want to keep.
Answer: A
QUESTION 65
At the IT Manager request, you are reviewing the databases that the DBA has implemented. You find configured as BASIC. What finding do you report back to the IT Manager?
A. The configuration of their databases is set up to also provide timed Operating System statistics and plan execution statistics.
B. The configuration of their databases is incorrect and should be set to NOT_TYPICAL.
C. The configuration of their databases has disabled collection of important statistics required for Oracle Database functionality.
D. The configuration of their databases needs to be set to ALL to enable collection of Operating System, Middleware, and storage statistics.
Answer: C
QUESTION 66
Which background process performs Automatic Workload Repository (AWR) tasks such as writing when a metric violates its threshold value, taking snapshots, and capturing statistics for recently modified SQL objects?
A. LGWR
B. DBWR
C. CKPT
D. MMON
E. MMNL
Answer: D
Explanation:
The manageability monitor process (MMON) performs many tasks related to the Automatic Workload Repository (AWR). For example, MMON writes when a metric violates its threshold value, taking snapshots, and capturing statistics value for recently modified SQL objects.
https://docs.oracle.com/cd/E11882_01/server.112/e40540/process.htm#CNCPT008
QUESTION 67
When preparing a new database installation, you want to ensure automatic collection of timed statistics. Which three configuration parameters are applicable?
A. STATISTICS_LEVEL parameter set to TYPICAL
B. STATISTICS_LEVEL parameter set to ALL
C. TIMED_STATISTICS parameter set to TURE
D. ALL_TIMED_STATISTICS parameter set to TRUE
E. AUTO_STATS parameter set to TRUE
F. STATISTICS_LEVEL parameter set to BASIC
Answer: ABC
QUESTION 68
Which is a capability that Active Session History (ASH) reports enable you to perform?
A. Compare database performance between two periods of time, and resolve performance degradation that may happen from one time period to another.
B. Analyze transient performance problems with the database that are short-lived and do not appear in the ADDM analysis.
C. Optimize the performance of data access paths by creating the proper set of materialized views, materialized view logs, and indexes for a given workload.
D. Analyze transient performance problems that have happened in the database since it has been started.
Answer: B
Explanation:
The Active Session History (ASH) reports enable you to analyze transient performance problems with the database that are short-lived and do not appear in the ADDM analysis.
http://docs.oracle.com/cd/B19306_01/server.102/b28051/tdppt_method.htm#TDPPT017
QUESTION 69
Which two statements are true about viewing the details of Real-Time Database Operations?
A. In V$SQL_MONITOR monitoring, statistics are cumulative over several executions of the SQL statement that is being monitored in a session.
B. SQL Developer can be used to view running database operations.
C. Oracle Enterprise Manager Database Express can be used to view running database operations.
D. When the SQL statement that is being monitored is executing, V$SQL_MONITOR is refreshed once every minute.
After the execution ends, the monitoring information in V$SQL_MONITOR is deleted immediately.
E. Oracle Enterprise Manager Cloud Control can be used to view running database operations.
Answer: AD
QUESTION 70
A DBA informs you that an Oracle instance has started. What does this imply?
A. Users can access the data in the database.
B. Only SGA has been allocated for the database.
C. Only background and user processes are running.
D. Memory areas have been allocated and background processes have been started.
Answer: D
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