1Z0-055 | The Up to the immediate present Guide To 1Z0-055 exam question
Q11. In which two aspects does hot patching differ from conventional patching? (Choose two.)
A. It consumes more memory compared with conventional patching.
B. It can be installed and uninstalled via OPatch unlike conventional patching.
C. It takes more time to install or uninstall compared with conventional patching.
D. It does not require down time to apply or remove unlike conventional patching.
E. It is not persistent across instance startup and shutdown unlike conventional patching.
Answer: A,D
Q12. Which two statements are true regarding the SQL Repair Advisor? (Choose two.)
A. The SQL Repair Advisor can be invoked to tune the performance of the regressed SQL statements.
B. The SQL Repair Advisor can be invoked even when the incident is not active for a SQL statement crash.
C. The SQL Repair Advisor is invoked by the Health Monitor when it encounters the problematic SQL statement.
D. The DBA can invoke the SQL Repair Advisor when he or she receives an alert generated when a SQL statement crashes and an incident is created in the ADR.
Answer: B,D
Q13. View the Exhibit exhibit1 to observe the maintenance window property.
View the Exhibit exhibit2 to examine the output of the query.
Which two statements describe the conclusions? (Choose two.)
A. The window duration should be increased.
B. RESOURCE_PERCENTAGE should be increased.
C. RESOURCE_PERCENTAGE should be decreased.
D. The repeat time for the window should be decreased.
Answer: A,B
Q14. Examine the following RMAN command:
BACKUP DATABASE
TAG TESTDB
KEEP UNTIL 'SYSDATE+1'
RESTORE POINT TESTDB06;
Which two statements are true regarding the backup taken by using the above RMAN command? (Choose two.)
A. Only data files and the control file are backed up.
B. Archived redo logs are backed up only if the database is open during the backup.
C. The backup is deleted after one day, regardless of the default retention policy settings.
D. The backup becomes obsolete after one day, regardless of the default retention policy settings.
Answer: B,D
Q15. Which of the following information will be gathered by the SQL Test Case Builder for the problems pertaining to SQL-related problems? (Choose all that apply.)
A. ADR diagnostic files
B. all the optimizer statistics
C. initialization parameter settings
D. PL/SQL functions, procedures, and packages
E. the table and index definitions and actual data
Answer: B,C,E
Q16. Your company wants to upgrade the current production database to the RAC environment. To perform testing before migrating to the RAC environment, you performed the workload capture on the production database to record the peak workload. You set up the test RAC database and want to replay the recorded workload on the test machine. Note the following steps that you may require to replay the database workload:
1) Preprocess the captured workload.
2) Restart the database in RESTRICTED mode.
3) Set up the Replay Clients.
4) Restore the test database to the point when the capture started.
5) Remap connections.
Arrange the steps required in the correct sequence to accomplish this task on the test machine.
A. 2, 1, 5, 3, 4
B. 1, 2, 4, 5, 3
C. 1, 4, 5, 3 (2 is not required.)
D. 1, 2, 4, 5 (3 is not required.)
E. 1, 4, 3, 5 (2 is not required.)
Answer: C
Q17. View the Exhibit.
As shown in the diagram, in-memory statistics are transferred to the disk at regular intervals. Which background process performs this activity?
A. CKPT
B. SMON
C. MMON
D. DBWR
Answer: C
Topic 2, B
Q18. Which three are the valid statements in relation to SQL plan baselines? (Choose three.)
A. The plans can be manually loaded to the SQL plan baseline.
B. The plans in the SQL plan baseline are verified and accepted plans.
C. The plans generated for every SQL statement are stored in the SQL plan baseline by default.
D. The plan baselines are stored temporarily in the memory as long as the database instance is running.
E. For the SQL plan baselines to be accessible to the optimizer, the SYSAUX tablespace must be online.
Answer: A,B,E
Q19. In your database, the LDAP_DIRECTORY_SYSAUTH initialization parameter has been set to YES and the users who need to access the database as DBAs have been granted SYSDBA enterprise role in Oracle Internet Directory (OID). SSL and the password file have been configured.
A user SCOTT with the SYSDBA privilege tries to connect to the database instance from a remote machine using the command: $ SQLPLUS scott/tiger@DB01 AS SYSDBA
where DB01 is the net service name.
Which authentication method would be used first?
A. authentication by password file
B. authentication by using certificates over SSL
C. authentication by using the Oracle Internet Directory
D. authentication by using the local OS of the database server
Answer: A
Q20. View the following SQL statements:
Transaction T1
INSERT INTO hr.regions VALUES (5,'Pole');
COMMIT;
Transaction T2
UPDATE hr.regions SET region_name='Poles' WHERE region_id = 5;
COMMIT;
Transaction T3
UPDATE hr.regions SET region_name='North and South Poles' WHERE
region_id = 5;
You want to back out transaction T2. Which option would you use?
A. It is possible, but transaction T3 also backs out.
B. It is possible with the NOCASCADE_FORCE option.
C. It is possible with the NONCONFLICT_ONLY option.
D. It is not possible because it has conflicts with transaction T3.
Answer: B