501.Note the output of the following query;
SQL> SELECT flashback_archieve_name, status FROM dba_flashback_archieve;
FLASHBACK_ARCHIEVE_NAME STATUS
FLA1
You executed the following command to enable Flashback Data Archive on the EXCHANGB_PATE table:
ALTER TABLE exchange_rate FLASHBACK ARCHIEVE;
What is the outcome of this command?
A. The table uses the default Flashback Data Archive.
B. The Flashback Data Archive Is created In the SYSAUX tablespace.
C. The Flashback Data Archive is created in the same tablespace where the tables are stored.
D. The command generates an error because no flashback Data Archive name is specified and there is
no default Flashback Data Achieve.
Answer: A
502.A database is running In ARCHIVBXXMS mode. It has two online redo log groups and each group
has one member.
A LGWR Input/output (I/O) fells due to permanent media failure that has resulted In the loss of redo log
file and the LWGR terminates causing the instance to crash. The steps to recover from the loss of a
current redo log group member in the random order are as follow.
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1) Restore the corrupted redo log group.
2) Restore from a whole database backup.
3) Perform incomplete recovery.
4) Relocate by renaming the member of the damaged online redo log group to a new location.
5) Open the database with the RESETLOGS option.
6) Restart the database instance.
7) Issue a checkpoint and clear the log.
Identify the option with the correct sequential steps to accomplish the task efficiently.
A. 1, 3, 4, and 5
B. 7, 3, 4. and 5
C. 2, 3, 4, and 5
D. 7, 4, 3. and 5
E. Only 6 is required
Answer: B
503.Identity two advantages of using a recovery catalog in-load of the control File of the target database
Recovery Manager (RMAN). (Choose two.)
A. You can use RMAN stored scripts.
B. Recovery is faster if data is stored in catalog in addition to the control file.
C. You can store backup Information of all registered databases in one place.
D. Database backups are automatically deleted when they are older than the specified time period.
Answer: AC
504.View the Exhibit to examine the error during the database startup. You open an RMAN session for the
database instance. To repair the failure, you executed the following as the first command in the RMAN
session:
RMAN> REPAIR FAILURE;
Which statement describes the consequence of the command?
Exhibit:
A.The command performs the recovery and closes the failures.
B.The command executes the RMAN script to repair the failure and removes the entry from the Automatic
Diagnostic Repository (ADR).
C.The command only displays the advice and the RMAN script required for repair.
D.The command produces an error because the ADVISE FAILURE command has not been executed
before the REPAIR FAILURE command.
Answer: D
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505.You configured the default backup device type as disk for RMAN backups. In your database, because
of business requirements, you have to take a simultaneous duplicate backup of the data files when the
RMAN BACKUP command is used.
What must you set using the RMAN CONFIGURE command to achieve this?
A. MAXSETSIZE TO 2;
B. DEVICE TYPE DISK PARALLELISM 2;
C. RETENTION POLICY TO REDUNDANCY 2;
D. DATAFILE BACKUP COPIES FOR DEVICE TYPE DISK TO 2;
Answer: C
506.Examine the following ALTER command;
SQL> ALTER DISKGROUP dgroup1 UNDROP DISKS;
What is the purpose of the command?
A. It cancels all pending disk drops within the disk group.
B. It adds previously dropped disks back into the disk group.
C. It restores disks that are being dropped as the result of a DROP DISKGROUP operation.
D. It mounts disks in the disk group for which the drop-disk operation has already been completed.
E. It restores all the dropped disks in the disk group for which the drop-disk operation has already been
completed.
Answer: A
507.Your database is running In ARCIIIVELOG mode. One of the data files, USBRDATAOI. DBF, in the
users tablespace is damaged and you need to recover the file until the point of failure. The backup for the
data file is available.
Which three files would be used in the user-managed recovery process performed by the database
administrator (DBA)? (Choose three.)
A. redo logs
B. control file
C. temporary files of temporary tablespace
D. the latest backup of only the damaged data file
E. the latest backup of all the data files In the USERS tablespace
Answer: ABD
508.You want to set the following Initialization parameters for your database Instance
LOG_ARCHIVE_DEBT_1 = ,,LOCATION=/disk1/arch
LOG_ARCHIVE_DBST_2 = ,,LOCATION=/disk2/arch
LOC_ARCHIVB DBST_3 = ,,LOCATION=/disk3/arch
LOG_ARCHIVE DBST_ = ,,LOCATION=/disk3/arch
Identify the statement that correctly describes this setting.
A. The MANDATORY location must be a flash recovery area.
B. The optional destinations may not use the flash recovery area.
C. This setting is not allowed because the first destination is not set as MANDATORY.
D. The online redo log file is not allowed to be overwritten if the archived log cannot be created in the
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fourth destination.
Answer: D
509.Which of the following cannot be used as input to the SQL Tuning Advisor? (Choose all that apply.)
A. A single SQL statement provided by a user
B. An existing SQL Tuning Set (STS)
C. A preprocessed Database Replay workload
D. A schema name
E. SQL statement identified in EM as using excessive resources
Answer: CD
510.You executed the following command in Recovery Manager (RMAN):
RMAN> REPORT NEED BACKUP days 3;
What is the output of this command?
A. a list of files that require a backup within three days
B. a list of files requiring more than 3 days of archive logs to apply
C. a list of files that RMAN recommends be backed up only once in every three days, based on low
volatility
D. a list of files for which a backup has already been performed in the last three days and which is
required to be backed up again based on the high number of transactions performed on them
Answer: A
511.You have configured flash recovery area in your database and you set the following Initialization
parameters for your database instance:
LOG_ARCHIVE_DEST 1 = ,,LOCATION=/disk1/arch MANDATORY'
LOG _ARCHIEVE_DEST 2 = ,,LOCATION=/disk2/arch'
LOG_ARCHIVK_DEST_3 = ,,LOCATION=/diSk3/arch
LOG_ARCH1VK_DEST_4 = ' LOCATION=/disk4/arch'
LOG_ARCHIVE_MIN-SUCCEED_DEST = 2
While the database instance is functional, you realized that the destination set by the
LOG_ARCHIVE_DEST_I parameter Is not available for the archived redo log file to be created in. All redo
log groups have been used. What happens in an event of log switch?
A. The online redo log file Is not allowed to be overwritten.
B. The archived redo log files are written to the flash recovery area until the MANDATORY destination is
made available.
C. The database instance will crash because the archived redo log file cannot be created in a destination
set as MANDATORY.
D. The destination set by the LOG_ARCHIVE_DEST_1 parameter is ignored and the archived redo log
files are created in the next two available locations to guarantee archive log success.
Answer: D
512.Which two statements correctly describe the relationship among the Scheduler components: job,
program, and schedule? (Choose two)
A. A job is specified as part of a program definition
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B. A program can be used in the definition of multiple jobs
C. A program and job can be specified as part of a schedule definition
D. A program and schedule can be specified as part of a job definition
Answer: A
513.What RMAN command is used to execute a tablespace point-in-time recovery?
A. recover
B. duplicate
C. restore
D. copy
E. None of the above
Answer: A
514.A user performs an update on a table. Shortly after committing the transaction, they realize that they
had an error in their WHERE clause causing the wrong rows to be updated. Which Flashback option
would allow you to undo this transaction and restore the table to its previous state?
A. Flashback Drop
B. Flashback Query
C. Flashback Versions Query
D. Flashback Transaction Query
E. Flashback Table
Answer: E
515.A developer calls and reports that he accidentally dropped an important lookup table from a
production database. He needs the table to be recovered. What action would you take?
A. Initiate an incomplete recovery operation using RMAN.
B. Copy the table from a development database.
C. Advise the user to rekey the data.
D. Perform a Flashback Drop operation.
E. Perform a Flashback Recovery operation.
Answer: D
516.In a Database Replay workload capture, what client request information is gathered? (Choose all that
apply.)
A. SQL text
B. Shared server requests (Oracle MTS)
C. Bind variable values
D. Information about transactions
E. Remote DESCRIBE and COMMIT operations
Answer: ACD
517.Which of the following are true concerning block media recovery? (Choose all that apply.)
A. Any gap in archive logs ends the recovery.
B. If a gap in archive logs is encountered, RMAN will search forward for newer versions of the blocks that
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are not corrupt.
C. Uncorrupted blocks from the flashback logs may be used to speed recovery.
D. The database can be in NOARCHIVELOG mode.
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Answer: C
522.The NLS_LANGUAGE parameter specifies the default conventions to be used for which of the
following globalization elements?
A. Languages for server messages
B. Day and month names and abbreviations
C. Symbols to represent a.m., p.m., AD, and BC
D. Affirmative and negative response strings (YES, NO)
E. None of the above
F. All of the above
Answer: F
523.The NLS_TERRITORY parameter specifies the default conventions to be used for which of the
following globalization elements? (Choose all that apply.)
A. Date format
B. Decimal character
C. Group separator
D. First day of the month
E. None of the above
F. All of the above
Answer: ABC
524.What are three benefits of using ASM? (Choose three.)
A. Ease of disk administration and maintenance
B. Load balancing across physical disks
C. Software RAID-1 data redundancy with double or triple mirrors
D. Automatic recovery of failed disks
Answer: ABC
525.What components are present in an ASM instance? (Choose three.)
A. SGA
B. Database processes
C. Database datafiles
D. Control files
E. Database parameter file or spfile
Answer: ABE
526.Which of the following is a benefit of ASM fast disk resync?
A. Failed disks are taken offline immediately but are not dropped.
B. Disk data is never lost.
C. By default, the failed disk is not dropped from the disk group ever, protecting you from loss of that disk.
D. The failed disk is automatically reformatted and then resynchronized to speed up the recovery process.
E. Hot spare disks are automatically configured and added to the disk group.
Answer: A
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527.What is the result of increasing the value of the parameter ASM_POWER_LIMIT during a rebalance
operation?
A. The ASM rebalance operation will likely consume fewer resources and complete in a shorter amount of
time.
B. The ASM rebalance operation will consume fewer resources and complete in a longer amount of time.
C. The ASM rebalance operation will be parallelized and should complete in a shorter amount of time.
D. There is no ASM_POWER_LIMIT setting used in ASM.
E. None of the above
Answer: C
528.What is the default AU size of an ASM disk group? What is the maximum AU size in an ASM disk
group?
A. 100KB default, 10TB maximum
B. 256KB default, 1024MB maximum
C. 10MB default, 126PB maximum
D. 64KB default, 1EB maximum
E. 1MB default, 64MB maximum
Answer: E
529.Which initialization parameter in an ASM instance specifies the disk groups to be automatically
mounted at instance startup?
A. ASM_DISKMOUNT
B. ASM_DISKGROUP
C. ASM_DISKSTRING
D. ASM_MOUNTGROUP
Answer: B
530.When an ASM instance receives a SHUTDOWN NORMAL command, what command does it pass
on to all database instances that rely on the ASM instances disk groups?
A. TRANSACTIONAL
B. IMMEDIATE
C. ABORT
D. NORMAL
Answer: C
531.When starting up your ASM instance, you receive the following error:
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What is the cause of the error?
A. The ASM_DISKGROUPS parameter is configured for three disk groups: DGROUP1, DGROUP2, and
DGROUP3.
The underlying disks for these disk groups have apparently been lost.
B. The format of the ASM_DISKGROUPS parameter is incorrect. It should reference the disk group
numbers, not the names of the disk groups
C. The ASM_POWER_LIMIT parameter is incorrectly set to 1. It should be set to the number of disk
groups being attached to the ASM instance.
D. The ASM_DISKSTRING parameter is not set; therefore disk discovery is not possible.
E. There is insufficient information to solve this problem.
Answer: D
532.As DBA for the Rebel Alliance you have decided that you need to facilitate some redundancy in your
database. Using ASM, you want to create a disk group that will provide for the greatest amount of
redundancy for your ASM data (you do not have advanced SAN mirroring technology available to you,
unfortunately).
Which of the following commands would create a disk group that would offer the maximum in data
redundancy?
A. CREATE DISKGROUP dg_alliance1 NORMAL REDUNDANCY failgroup diskcontrol1 DISK ,,
c:\oracle\asm_disk\_file_disk3 NAME file_ diska1 failgroup diskcontrol2 DISK ,,
c:\oracle\asm_disk\_file_disk4 NAME file_ diskb1;
B. CREATE DISKGROUP dg_alliance1 EXTERNAL REDUNDANCY failgroup diskcontrol1 DISK
'c:\oracle\asm_disk\_file_disk3' NAME file_ diska1;
C. CREATE DISKGROUP dg_alliance1 HIGH REDUNDANCY failgroup diskcontrol1 DISK
'c:\oracle\asm_disk\_file_disk1' NAME file_ disk1 failgroup diskcontrol2 DISK '
c:\oracle\asm_disk\_file_disk2' NAME file_ disk2 failgroup diskcontrol2 DISK '
c:\oracle\asm_disk\_file_disk3' NAME file_ disk3;
D. CREATE DISKGROUP dg_alliance1 MAXIMUM REDUNDANCY failgroup diskcontrol1 DISK
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'c:\oracle\asm_disk\_file_disk1' NAME file_ disk1 failgroup diskcontrol2 DISK '
c:\oracle\asm_disk\_file_disk2' NAME file_ disk2 failgroup diskcontrol2 DISK '
c:\oracle\asm_disk\_file_disk3' NAME file_ disk3 failgroup diskcontrol2 DISK “First Test,
'c:\oracle\asm_disk\_file_disk4' NAME file_ disk4;
E. None of the above
Answer: C
533.You want to migrate your database to ASM, so you have done a clean shutdown, made a closed
backup of the entire You wa database, noted the location of your control files and online redo log files, and
changed your spfile to use OMF. The last step is to run an RMAN script to do the conversion. Using the
following steps, what is the correct order in which the following RMAN commands should be executed?
1. STARTUP NOMOUNT
2. ALTER DATABASE OPEN RESETLOGS
3. SQL "ALTER DATABASE RENAME ,,logfile1 path TO ,,+dgrp4 ,," # plus all other logfiles
4. SWITCH DATABASE TO COPY
5. BACKUP AS COPY DATABASE FORMAT ,,+dgrp4
6. ALTER DATABASE MOUNT
7. RESTORE CONTROLFILE FROM ,,controlfile_location
A. 2, 5, 3, 1, 7, 6, 4
B. 1, 7, 6, 5, 4, 3, 2
C. 5, 1, 2, 7, 4, 6, 3
D. 7, 3, 1, 5, 6, 2, 4
Answer: B
534.How can you reverse the effects of an ALTER DISKGROUP ... DROP DISK command if it has not yet
completed?
A. Issue the ALTER DISKGROUP ... ADD DISK command.
B. Issue the ALTER DISKGROUP ... UNDROP DISKS command.
C. Issue the ALTER DISKGROUP ... DROP DISK CANCEL command.
D. Retrieve the disk from the Recycle Bin after the operation completes.
Answer: B
535.To reference existing ASM files, you need to use a fully qualified ASM filename. Your development
database has a disk group named DG2A, the database name is DEV19, and the ASM file that you want to
reference is a datafile for the USERS02 tablespace.
Which of the following is a valid ASM filename for this ASM file?
A. dev19/+DG2A/datafile/users02.701.2
B. +DG2A/dev19/datafile/users02.701.2
C. +DG2A/dev19/users02/datafile.701.2
D. +DG2A.701.2
E. +DG2A/datafile/dev19.users.02.701.2
Answer: B
536.Which background process coordinates the rebalance activity for disk groups?
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A. ORBn
B. OSMB
C. RBAL
D. ASMn
Answer: C
537.On the development database rac0, there are six raw devices: /dev/raw/raw1 through /dev/raw/raw6.
/dev/raw/raw1 and /dev/raw/raw2 are 8GB each, and the rest are 6GB each. An existing disk group
+DATA1, of NORMAL REDUNDANCY, uses /dev/raw/raw1 and /dev/raw/raw2.
Which series of the following commands will drop one of the failure groups for +DATA1, create a new disk
group +DATA2 using two of the remaining four raw devices, and then cancel the drop operation from
+DATA1?
A. ALTER DISKGROUP DATA1 DROP DISK DATA1_0001;
CREATE DISKGROUP DATA2 NORMAL REDUNDANCY FAILGROUP DATA1A DISK ,,
/dev/raw/raw3 FAILGROUP DATA1B DISK ,,/dev/raw/raw4;
ALTER DISKGROUP DATA1 UNDROP DISKS;
B. ALTER DISKGROUP DATA1 DROP DISK DATA1_0001;
CREATE DISKGROUP DATA2 HIGH REDUNDANCY FAILGROUP DATA1A DISK '/dev/raw/raw3'
FAILGROUP DATA1B DISK '/dev/raw/raw4;'ALTER DISKGROUP DATA1 UNDROP DISKS;
C. ALTER DISKGROUP DATA1 DROP DISK DATA1_0001;CREATE DISKGROUP DATA2 NORMAL
REDUNDANCY FAILGROUP DATA1A DISK '/dev/raw/raw3' FAILGROUP DATA1B DISK '/dev/raw/raw4';
ALTER DISKGROUP DATA1 UNDROP DATA1_0001;
D. ALTER DISKGROUP DATA1 DROP DISK DATA1_0001 ADD DISK GROUP DATA2 NORMAL
REDUNDANCY FAILGROUP DATA1A DISK '/dev/raw/raw3' FAILGROUP DATA1B DISK '/dev/raw/raw4';
ALTER DISKGROUP DATA1 UNDROP DISKS;
Answer: A
538.Which type of database file is spread across all disks in a disk group?
A. All types of files are spread across all disks in the disk group.
B. Datafiles
C. Redo log files
D. Archived redo log files
E. Control files
Answer: A
539.How can you reverse the effects of an ALTER DISKGROUP ... DROP DISK command if it has
already completed?
A. Issue the ALTER DISKGROUP ... ADD DISK command.
B. Issue the ALTER DISKGROUP ... UNDROP DISKS command.
P ... DROP DISK CANCEL command.
C. Issue the ALTER DISKGROU
D. Retrieve the disk from the Recycle Bin after the operation completes.
Answer: A
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540.Which of the following ALTER DISKGROUP commands does not use V$ASM_OPERATION to
record the status of the operation?
A. ADD DIRECTORY
B. DROP DISK
C. RESIZE DISK
D. REBALANCE
E. ADD FAILGROUP
Answer: A
541.If you use ALTER DISKGROUP ... ADD DISK and specify a wildcard for the discovery string, what
happens to disks that are already a part of the same or another disk group?
A. The command fails unless you specify the FORCE option.
B. The command fails unless you specify the REUSE option.
C. The command must be reissued with a more specific discovery string.
D. The other disks, already part of the disk group, are ignored.
Answer: D
542.You are an Oracle DBA responsible for an ASM instance. The disk controller on your system fails.
You suspect that the disk itself is okay. You know it will take 24 hours to replace the controller and you
don't want to have to rebuild the disks from scratch. What do you do?
A. Take the whole disk group offline and wait for the controller card to be installed. Once it's installed,
bring the disk group online again.
B. Change the ASM parameter ASM_PREFERRED_READ_FAILURE_GROUPS to indicate that you
want to read from the non-failed disk. Once the disk controller is replaced, reset the parameter to its
original value.
C. You have no choice but to rebuild the disk. Drop the disk from the disk group and wait for the controller
to be replaced. Once the controller is replaced, add the disk back into the disk group and allow ASM to
rebuild it.
D. If you are using any setting other than REDUNDANCY EXTERNAL for your disk group, you will have to
recover any data on that disk from a backup. The database will be unavailable until you can correct the
problem and perform recovery.
E. Change the attribute DISK_REPAIR_TIME on the disk group to a time greater than 24 hours.
Answer: E
543.As the DBA, you run the following query on your ASM instance.
What is the implication of the results of the query? (Choose two.)
SQL> select group_number, name, state from v$ASM_DISKGROUP;
GROUP_NUMBER NAME STATE
0 DGROUP1 DISMOUNTED
2 DGROUP2 MOUNTED
3 DGROUP3 MOUNTED
A. The DGROUP1 disk group was unmounted by another DBA.
B. A datafile has been lost, causing the ASM disk group DGROUP1 to go into the DISMOUNTED state
C. One of the redundant disks (DGROUP1) has been lost in a disk group.
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D. This query has no meaning in an ASM instance.
E. A disk associated with a disk group was discovered after the ASM instance initially opened.
Answer: AE
544.Your database is in NOARCHIVELOG mode. You start to do a backup, but your users complain that
they dont want you to shut down the database to perform the backup. What options are available to you?
A. Put the database in hot backup mode and perform an online backup, including backing up the archived
redo logs.
B. Just back up the database datafiles without shutting down the database.
C. You will have to wait until you can shut down the database to perform the backup.
D. Mark each datafile as backup in progress, back them up individually, and then mark them as backup
not in progress. No archived redo logs will need to be backed up.
E. Only back up the datafiles that the user will not be touching. Once the user has finished what they were
doing, you can shut down the database and back up the datafiles the user changed during the course of
the remaining backup
Answer: C
545.When performing an online backup, what is the proper order of the following steps?
A. Issue the alter database end backup command.
B. Back up the archived redo logs.
C. Issue the alter database begin backup command.
D. Back up the database files.
E. Determine the beginning log sequence number.
F. Determine the ending log sequence number.
G. Force a log switch with the alter system switch logfile command.
H. a, b, c, d, e, f, g
I. c, d, a, b, e, g, f
J. f, d, b, g, a, c, e
K. e, c, d, a, g, f, b
L. a, f, b, g, e, c, d
Answer: D
546.You want to put a specific tablespace called MY_DATA in hot backup mode so you can back it up.
What command would you use?
A. alter tablespace MY_DATA begin backup;
B. alter tablespace MY_DATA start backup;
C. alter tablespace MY_DATA backup begin;
D. alter MY_DATA begin backup;
E. You cannot back up individual tablespaces.
Answer: A
547.You backed up the database at 8 a.m. today using an online backup. Accounting made a large
change to the underlying data between 10 a.m. and noon. Which of the following actions would ensure
that the changes could be recovered using the 8 a.m. backup?
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A. Create a manual incremental online database backup.
B. Back up all the archived redo logs generated since the 8 a.m. backup.
C. Create a brand-new backup after all the changes have been applied.
D. There is no way to make the changes recoverable based on the 8 a.m. backup.
E. Perform an online backup of the tablespace(s) that contained changed data.
Answer: B
548.What are the different logging modes available in Oracle Database 11g? (Choose two.)
A. NOLOG mode
B. NOARCHIVELOG mode
C. LOGGING mode
D. HOTDATABASE mode
E. ARCHIVELOG mode
Answer: BE
549.Which is the correct command to put the database in ARCHIVELOG mode?
A. alter database archivelog
B. alter system enable archivelog mode
C. alter database enable archive
D. alter database archivelog enable
E. None of the above
Answer: A
550.What is the correct order of steps to perform an online database backup?
A. alter database begin backup;
B. alter database end backup;
C. Back up the database datafiles.
D. Back up the archive log files.
E. alter system switch logfile;
F. a, b, c, d, e
G. e, d, a, b, c
H. a, c, b, d, e
I. d, b, c, a, e
J. a, c, b, e, d
Answer: E
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