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1. The application workload on your database is same between 10 a.m. and 11 a.m. on weekdays. Suddenly you observe poor performance between 10 a.m. and 11 a.m. in the middle of the week. How would you identify the changes in configuration settings, workload profile, and statistics to diagnose the possible causes of the performance degradation?
A) by using the Automatic Workload Repository Compare Period report
B) by running the Automatic Database Diagnostic Monitor (ADDM)
C) by using the Automatic Workload Repository report
D) by analyzing the output of the V$ACTIVE_SESSION_HISTORY view
E) by using the SQL access advisor
2. The session of user SCOTT receives the following error after executing an UPDATE command on the EMP table:
ERROR at line 1:
ORA-00060: deadlock detected while waiting for resource
On investigation, you find that a session opened by user JIM has a transaction that caused the deadlock.
Which two statements are true regarding the session of SCOTT in this scenario? (Choose two.)
A) SCOTT should perform a COMMIT or ROLLBACK to allow JIM to continue with his transaction.
B) The transaction in it is terminated after receiving the error and JIM can continue with his transaction.
C) SCOTT has to reexecute the last command in the transaction after he commits the transaction.
D) It is terminated after receiving the error and JIM can continue with his transaction.
3. Your database is open, and you plan to perform Recovery Manager (RMAN) backups. Which three statements are true about these backups? (Choose three.)
A) The backups need not be restored during recovery in case of a media failure.
B) The backups would be possible only if the database is running in NOARCHIVELOG mode.
C) The backups would be possible only if the database is running in ARCHIVELOG mode.
D) The backups would be inconsistent.
E) The backups would be consistent.
F) The backups need to be restored and database has to be recovered in case of a media failure.
4. Which two operations can be flashed back using the Flashback technology? (Choose two.)
A) DROP TABLE EMPLOYEES;
B) DROP USER SMITH;
C) ALTER TABLE EMPLOYEES DROP COLUMN DESIG_ID;
D) ALTER TABLE SALES_REP DROP PARTITION P1;
E) DROP TABLESPACE USERS;
5. You want to protect your database from single point of failure by multiplexing the control file. Your database is started using SPFILE. You have to perform the following tasks:
1.Shut down the database instance.
2.Copy the control file to new location.
3.Configure the CONTROL_FILES parameter.
4.Restart the instance.
Select the correct order in which these tasks need to be performed.
A) 1,2,3,4
B) 3,2,1,4
C) 2,3,1,4
D) 3,1,2,4
Solutions:
Question # 1 Answer: A | Question # 2 Answer: A,C | Question # 3 Answer: C,D,F | Question # 4 Answer: A,B | Question # 5 Answer: D |
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