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السؤال #1
Which two are true about the Automatic Database Diasnostic Monitor (ADDM)? (Choose two.)
A. It analyzes a period of time corresponding to the 12 hours of activity
B. It runs automatically after each AWR snapshot
C. A DBA can run it manually
D. Results are written to the alert log
E. It analyzes a period of time corresponding to the last day of activity
عرض الإجابة
اجابة صحيحة: EF
السؤال #2
You have configured RMAN SBT channels to write backups to media. You then take an RMAN backup by using this command: Which three are true? (Choose three.)
A. The restore point is a label for the system change number (SCN) that will be savedtwo years after the archival backup was taken
B. The data file backups in the self-contained archive backup are not considered obsolete for two years regardless of the retention policy
C. All archive logs created after this backup are kept for two years
D. The SPFILE is included in the self-contaied archival backup
E. The control file is included in the self-contained archival backup
F. The restore point is a label for the system change number (SCN) before the archival backup was taken
عرض الإجابة
اجابة صحيحة: BDE
السؤال #3
While backing up to an SBT channel, you determine that the read phase of your compressed Recovery Manager (RMAN) incremental level 0 backup is a bottleneck. FORCE LOGGING is enabled for the database. Which two could improve read performance? (Choose two.)
A. Increase the size of tape I/O buffers
B. Disable FORCE LOGGING for the database
C. Increase the size of the database buffer cache
D. Enable asynchronous disk I/O
E. Increase the level of RMAN multiplexing
عرض الإجابة
اجابة صحيحة: D
السؤال #4
Which two are true about instance recovery? (Choose two.)
A. It is not possible if an archived log is missing
B. It is performed automatically after the database is opened; however, blocks requiring recovery are not available until they are recovered
C. Setting FAST_START_MTTR_TARGET to a lower value reduces instance recovery time by causing dirty buffers to be written to disk more frequently, thereby reducing the number of I/Os needed during instance recovery
D. It is performed by the Recovery Writer (RVWR) background process
E. Setting FAST_START_MTTR_TARGET to a higher value reduces instance recovery time bycausing the log writer to write more frquently, thereby reducing the number of I/Os needed during instance recovery
F. It is performed automatically while the database remains in MOUNT stat G
عرض الإجابة
اجابة صحيحة: BCE
السؤال #5
Which two are true about OS groups and users for OracleGrid Infrastructure and the Oracle Relational Database Management System (RDBMS)? (Choose two.)
A. By default, members of the OSASM group can access Automatic Storage Management and RDBMS instances
B. The primary group for the Oracle Grid Infrastructure and Oracle Database owners must be the Oracle Inventory group
C. The Oracle Grid Infrastructure installation must be owned by the grid user
D. The Oracle Grid Infrastructure owner owns Oracle Restart and Oracle Automatic Storage Management binaries
E. The Oracle Grid Infrastructure owner must have OSOPER, OSBACKUPDBA, and OSKMDBA as secondary groups
F. The same OSDBA group must be used for Automatic Storage Management and the Oracle Database
عرض الإجابة
اجابة صحيحة: CD
السؤال #6
Which three are true about monitoring waits for sessions and services? (Choose three.)
A. V$SESSION_EVENT displays all waits for all past and existing sessions if the wait has occurred at least once for a session
B. V$SERVICE_EVENT displays all waits for all services if the wait has occurred at least once for a service
C. V$SESSION_WAIT_CLASS displays waits broken down by wait class only for waiting sessions
D. V$SESSION_WAIT and V$SESSION both contain details of the event on which a non-waiting session last waited
E. V$SESSION_EVENT displays all waits for all past sessions if the wait has occurred at least once for a session
F. V$SESSION_WAIT and V$SESSION both contain details of the event on which a session is currently waiting
عرض الإجابة
اجابة صحيحة: ABD
السؤال #7
Which two are true about RMAN backups when using a media manager to write backups to tape when there are only two tape drives? (Choose two.)
A. SBT tape compression can be used even if no RMAN compression is configured
B. Any backup set written to the SBT device in this configuration can contain a maximum of two backup pieces
C. Any backup written to the SBT device in this configuration can contain a maximum of two backup sets
D. SBT tape compression and RMAN backup compression should be used in parallel
E. The SBT device should be configured to use PARALLELISM 2 to allow both tape drive to be used simultaneously
عرض الإجابة
اجابة صحيحة: DE
السؤال #8
You plan to install Oracle Grid Infrastructure for a Standalone Server and Oracle Database for the first time on a server. Examine this command and its outcome: Which two are true? (Choose two.)
A. oracle will be an owner of the Oracle Inventory
B. oracle must be the owner of every Oracle Database installation
C. oracle can own an OracleDatabase installation but not an Oracle Grid Infrastructure installation
D. oracle will be granted the SYSASM privilege when installing the Oracle Database software
E. The user account, oracle, and group, oinstall, can be used for all Oracle software installations
عرض الإجابة
اجابة صحيحة: AB

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