多项选择题When performing a backup using Recovery Manager (RMAN), which four types of files can be backed up with the RMAN BACKUPcommand? ()

A. data file
B. password file
C. archivelog file
D. temporary file
E. online redo log file
F. the current control file
G. the tnsnames.ora file
H. current server parameter file


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1.单项选择题You work as a database administrator at Certkiller .com. You are working in an online transaction processing (OLTP) environment. You realize that the salary for an employee, John, has been accidentally modified in the EMPLOYEEStable. Two days ago, the data was in the correct state. Flashback logs generated during last two days are available in the flash recovery area. Which option would you choose to bring the data to the correct state while ensuring that no other data in the same table is affected?()

A. perform point-in-time recovery
B. perform a Flashback Table operation to restore the table to the state it was in two days ago
C. perform a Flashback Database operation to restore the database to the state it was in two days ago
D. perform Flashback Versions Query and Flashback Transaction Query to determine all the necessary undo SQL statements, and then use them for recovery

2.单项选择题

You defined the Recovery Manager (RMAN) retention policy to recovery window of 7 days by executing the following command: 
RMAN> CONFIGURE RETENTION POLICY TO RECOVERY WINDOW OF 7 DAYS; 
When a backup is performed, what would be the status of this backup after seven days?()

A. The backup would be marked as invalid.
B. The backup would be marked as obsolete.
C. The backup would be removed from the media.
D. The backup would be removed from the RMAN repository.

3.单项选择题The warning and critical threshold values have been set to 85% and 97%, respectively, for one of the tablespaces. The current tablespace space usage is 54%. You modify the warning threshold to be 50 % and critical threshold to be 53% in Database Control. Which statement is true?()

A. The new setting would be applied but no alerts would be raised immediately.
B. The new setting would be applied and an alert would be raised immediately.
C. The new setting would be ignored because the tablespace space usage is more than the specified threshold value.
D. The new setting would cause an error because the tablespace space usage is more than the specified threshold value.

4.单项选择题

Exhibit: Using Database Control, you have scheduled a job to shrink the TRANStable residing on the TTtablespace. The job would run at 5:00 p.m. every Friday.When you examine the space usage of the table after the completion of the job, you find that the table has not been shrunk. What could have been the reason for this?()

A. The tablespace that contains the TRANS table is online.
B. The tablespace that contains the TRANS table is permanent.
C. The tablespace that contains the TRANS table is locally managed.
D. The segment space management of the tablespace that contains the TRANS table is manual in nature.

5.单项选择题

You executed the following command in Recovery Manager (RMAN): 
RMAN> RESTORE CONTROLFILE; 
Which operation must you perform before this command is executed?()

A. back up the control file to trace
B. bring database to the MOUNT state
C. open a connection to the RMAN recovery catalog, which contains the RMAN metadata for the target database
D. set the database ID (DBID), but only if the DB_NAME parameter associated with the target database is unique in the recovery catalog

6.单项选择题

A user executes a query on the EMPtable, which contains thousands of rows, to get details about employees in one of the departments. The user receives the following error: 
SQL> SELECT ename FROM emp WHERE deptno=10 ORDER BY sal; 
SELECT ename FROM emp WHERE deptno=10 ORDER BY sal 
ERROR at line 1: 
ORA-01157: cannot identify/lock data file 
201 - see DBWR trace file ORA-01110: data file 201:’/u01/app/oracle/oradata/orcl/temp01.dbf’ 
What is a possible reason?()

A. The tempfile belonging to the default temporary tablespace is missing.
B. The database is opened in restricted mode, so queries are not allowed
C. The default temporary tablespace required to execute the query is offline.
D. The default temporary tablespace required to execute the query is dropped.
E. The default temporary tablespace required to execute the query is read-only.

7.多项选择题

You have created a resource plan, PROD_DB_PLAN, with the following consumer groups with the respective plan directives: 
Consumer group SALESwith CPU_P1as 60 and DEGREE_OF_PARALLELISMas 4.  
Consumer group MARKETwith CPU_P1as 20.  
Consumer group DEVwith CPU_P1as 20.  
Consumer groupOTHERSwith CPU_P1as 0 and CPU_P2as 100. 
Which two statements are correct in this scenario?()

A. The maximum degree of parallelism for the members of the consumer groups is 4.
B. The CPU allocation will always be equal for the consumer groups MARKET and DEV.
C. The OTHERS consumer group would get 100% of the CPU if there are unused level 1 CPU resources.
D. The SALES and MARKET consumer groups would get 100% of the CPU if there are unused level 2 CPU resources.
E. The maximum degree of parallelism for the members of the consumer group SALES is 4 with no restriction for the remaining groups.

9.单项选择题There was media failure and you need to check the data files for any block corruption. Which option would you use to create a report on any corruptions found within the database?()

A. the DBNEWID utility
B. the DBVERIFY utility
C. the ANALYZE command
D. the RMAN REPORT command
E. the RMAN CROSSCHECK command
F. the CHECK_OBJECT procedure of the DBMS_REPAIR package

10.多项选择题The loss of which two types of files may require a recovery with the RESETLOGS option?()

A. control files
B. password file
C. archived log files
D. system-critical data files for which all the redo entries are present
E. non-system-critical data files for which all the redo entries are present

最新试题

You have a read­only tablespace on read­only media. You want to perform a media recovery on the existing data files, but using a backup control file. The backup control file indicates that the status of the read­only tablespace was read/write when the control file was backed up. What should you consider?()

题型:单项选择题

In your database, all the tablespaces are locally managed. You started Recovery Manager (RMAN) using recovery catalog. The following commands are used in the process of recovering the database by using the backup control file: In what sequence would you use this process to perform the recovery?()

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Every Sunday, consistent backups are performed on your database. Because of a user error, you performed an incomplete recovery on Tuesday and opened the database with the RESETLOGS option. A user error occurs again on Thursday, which necessitates an incomplete recovery. Sunday’s backup is the most recent backup available. What would you do in this scenario?()

题型:单项选择题

You are connected to Recovery Manager (RMAN) without a recovery catalog. There is no copy of the control file available. You want to restore the control file from an autobackup. To retrieve the autobackup,you need the database ID (DBID). In which two sources would you find the DBID? ()

题型:多项选择题

You disabled the Flashback Database feature by using the following command: SQL> ALTER DATABASE FLASHBACK OFF; What would be the effect of this command on the existing flashback logs?()

题型:单项选择题

You used the following command in Recovery Manager (RMAN) as part of the recovery process: RESTORE CONTROLFILE FROM AUTOBACKUP; How does RMAN find the control file autobackup?()

题型:多项选择题

One of the tablespaces is read­only in your database. The loss of all control files forced you to re­create the control file. Which operation do you need to perform after re­creating the control file and opening the database?()

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You are using Oracle Database 10g. The LOG_ARCHIVE_FORMAT parameter is set to ’LOG%t_%s_%r.dbf’. Why is %r used in the file name format?() 

题型:单项选择题

Your database is functioning in ARCHIVELOG mode. In which two situations would you perform a cancel­based recovery?()

题型:多项选择题

For an incomplete recovery, which four backup types can be used by Recovery Manager (RMAN) to restore data files? ()

题型:多项选择题