[2024年06月]更新のOracle 1Z1-083問題集厳選された問題集でパスして、最短時間を目指そう
Oracle 1Z1-083試験問題集で[2024年最新] 練習 高合格率な試験問題集問題
Oracle 1Z0-083の認定試験は、データベース管理の専門知識を証明したいITプロフェッショナルにとって、チャレンジングでやりがいのある試験です。データベース管理のキャリアを始めたばかりであっても、長年の経験を持っている場合でも、この試験に合格することで自分の分野における卓越性への取り組みを証明し、キャリアの展望を高めることができます。
Oracle 1Z1-083（Oracle Database Administration II）試験は、Oracle Database SQL認定試験に合格し、SQLおよびデータベース管理についての確固たる理解力を持っている候補者を対象としています。この試験は、データベース管理および管理分野でキャリアを進めたい専門家を対象としています。この試験は、バックアップおよびリカバリ、パフォーマンスチューニング、セキュリティ、高可用性ソリューションなど、Oracleデータベースの管理と管理に関する候補者の知識とスキルをテストします。
質問 # 145
Which two are true about SQL Performance Analyzer (SPA)? (Choose two.)
- A. It offers fine-grained analysis of all the SQL statements in the analysis task as a group.
- B. It predicts the impact of system changes on SQL workload response time.
- C. It provides before and after execution statistics for each SQL statement in the analysis task
- D. It is integrated with the SQL Access Advisor.
- E. SQL statements that were originally run concurrently are run concurrently by SPA.
正解：B、C
質問 # 146
Which two are true about unplugging an application container from a container database and plugging it into a different container database?
- A. Application PDBs In the applic tion container must be unplugged before the application root Is unplugged.
- B. The application root of an application container should be plugged Into the other CDB before Its application PDBs are plugged in.
- C. Plugging the application root into a different CDB plugs In all its application PDBs.
- D. Unplugging the application root from a CDB unplugs all its application PDBs.
- E. It requires local undo mode in both container databases.
- F. It requires only local undo mode in the database where the application container will be unplugged.
正解：A、B
質問 # 147
choose two Examine these RMAN commands: RMAN> CONNECT TARGET "sbu@prod AS SYSBACKUP"; RMAN> CONNECT AUXILIARY "sbu@dup_db AS SYSBACKUP"; RMAN> DUPLICATE TARGET DATABASE TO dup_db FROM ACTIVE DATABASE PASSWORD FILE SECTION SIZE 400M; Which two statements are true about the DUPLICATE comman
- A. It fails because no parallel channels are allocated for the auxiliary databa
- B. No catalogued backup of the TARGET is used to duplicate the databa
- C. It fails because connection to the AUXILIARY instance must be as SYSD
- D. It succeed
- E. Itsucceeds only if the target database is greater than 40
正解：B、D
質問 # 148
Application PDBs, SALES_APP1 and SALES_APP2, must be created and they must access common tables of the SALES APP application. Examine these steps:
Install the SALES_APP application, induding the common tables, in the application root.
Install the SALES_APP application in the application root and the common tables in both the CDB root and the application root.
Create an application seed.
Install the SALES_APP application in the application seed.
Create the SALES_APP1 and SALES_APP2 application PDBs.
Sync the SALES_APP1 and SALES_APP2 application PDBs with the application root.
Sync the SALES_APP1 and SALES_APP2 application PDBs with the application seed.
Sync the application seed with the application root. Which are the minimum required steps in the correct sequence?
- A. 1,3,5,6,7
- B. 2,5,6
- C. 1,5,6
- D. 3,4,1.6,8
- E. 1,3,5,7
正解：C
質問 # 149
Examine these queries and their output:
An online RMAN backup of the CDB was taken an hour before Restore Point R1 was created. You want to recover PDB1 to Restore Point R1.
How do you achieve this?
- A. This cannot be done due to the lack of a clean restore point.
- B. Execute FLASHBACK PLUGGABLE DATABASE PDB1 TO RESTORE POINT R1 by using SQL while connected to PDB1.
- C. Execute FLASHBACK PLUGGABLE DATABASE PDB1 TO RESTORE POINT R1 by using RMAN while connected to PDB1.
- D. Execute FLASHBACK PLUGGABLE DATABASE PDB1 TO RESTORE POINT R1 by using SQL while connected to CDB$ROOT.
- E. Execute FLASHBACK PLUGGABLE DATABASE PDB1 TO RESTORE POINT R1 by using RMAN while connected to CDB$ROOT.
正解：B
質問 # 150
choose two You configured the Fast Recovery Area (FRA) for your database. The database instance is in ARCHIVELOG mode. The default location for the archived redo log files is the FRA. Which two files are removed automatically if space is required in the FRA as per the retention policy?
- A. user-managed backups of data files and control files
- B. flashback logs
- C. RMAN backups that are obsolete
- D. archived redo log files that have multiple copies in a different archive location
正解：B、C
質問 # 151
Which two are facets of performance planning that should always be considered or implemented for an Oracle Database environment? (Choose two.)
- A. defining foreign keys for all tables to speed up joins
- B. using check constraints to speed up updates
- C. defining primary keys for all tables to speed up all queries
- D. the physical data model
- E. the configuration of storage arrays
正解：D、E
質問 # 152
Which four are true about performance-related Oracle tools?
- A. SQL Performance Analyzer can identify regressed SQL statements.
- B. The Active Session History (ASH) report is based on wait event samples.
- C. SQL Performance Analyzer can suggest schema changes.
- D. The Automatic Database Diagnostic Monitor (ADDM) Compare Period report can compare two consecutive periods.
- E. The Automatic Database Diagnostic Monitor (ADDM) Compare Period report can compare two non-consecutive periods.
- F. Database Replay always uses one replay client for all the original database sessions.
- G. Database Replay always uses one replay client for each original database session.
正解：A、C、D、E
質問 # 153
Which three are true about Optimizer Statistics Advisor? (Choose three.)
- A. It runs automatically every night by default.
- B. It can recommend changes to improve the statistics gathering process.
- C. It is part of the DBMS_STATS package.
- D. It always analyzes all schemas in the database.
- E. It is part of the DBMS_ADVISOR package.
- F. It can be run only manually.
正解：A、B、C
質問 # 154
Choose two. Which two are true about the Optimizer Statistics Advisor?
- A. It can recommend changes to improve the statistics gathering process.
- B. It runs automatically every night by default. E) It can be run only automatically.
- C. It always analyzes all schemas in the database.
- D. It can be run only manually.
正解：A、B
質問 # 155
Which two are true about Rapid Home Provisioning of Oracle software? (Choose two.)
- A. It can be used only for Oracle Grid Infrastructure, including Oracle Restart.
- B. It can be used for applications and middleware.
- C. It can be used only for Oracle Grid Infrastructure, excluding Oracle Restart.
- D. It can be used for both Oracle Database and Oracle Grid Infrastructure, excluding Oracle Restart.
- E. It can be used for both Oracle Database and Oracle Grid Infrastructure, including Oracle Restart.
正解：B、E
解説：
https://docs.oracle.com/en/database/oracle/oracle-database/18/cwsol/about-upgrading-grid- infrastructure-using-rhp.html#GUID-FC0B8E52-D6F4-42A8-94BF-734C95A412C7
質問 # 156
Which two are true about gathering optimizer statistics? (Choose two.)
- A. Executing DBMS_STATS.GATHER_DATABASE_STATS while connected to CDB$ROOT gathers object statistics in all open pluggable databases (PDBs)
- B. Executing DBMS_STATS.GATHER_DATABASE_STATS while connected to a PDB opened in read/write mode gathers object statistics for that PDB.
- C. System statistics can be gathered only while connected to CDB$ROOT.
- D. Executing DBMS_STATS.GATHER_DATABASE_STATS while connected to CDB$ROOT gathers object statistics only in CDB$ROOT.
- E. Executing DBMS_STATS.GATHER_DATABASE_STATS while connected to CDB$ROOT gathers object statistics in all open PDBs except PDB$SEED.
正解：A、B
解説：
Explanation
https://mikedietrichde.com/2016/10/21/gather-fixed-objects-stats-in-pdbs-as-well/#:~:text=Yes%2C%20you'll%2
質問 # 157
Examine this configuration:
CDB1 is an Oracle Database 12c Release 2 database containing pluggable databases PDB$SEED, PDB1, and PDB2.
PDB$SEED is open READ ONLY
PDB1 is open READ WRITE
PDB2 is MOUNTED.
ORACLE_HOME is /u01/app/oracle/product/18.1.0/dbhome_1.
You execute these commands before upgrading the database to the current release:
For which databases will fixup scripts be created?
- A. CDB1, PDB1, and PDB2 only
- B. CDB1, PDB$SEED, PDB1, and PDB2
- C. PDB$SEED, PDB1, and PDB2 only
- D. CDB1, PDB$SEED, and PDB1 only
- E. CDB1 and PDB$SEED only
正解：D
質問 # 158
Which four are true about a Recovery Manager (RMAN) duplication without a TARGET connection? (Choose four.)
- A. The UNDO TABLESPACE clause is always required when no connection exists to the recovery catalog and the TARGET database is opened.
- B. The UNDO TABLESPACE clause is always required when no connection exists to the TARGET instance.
- C. RMAN "pushes" the backups of the database to be duplicated over the network to the auxiliary instance.
- D. The UNDO TABLESPACE clause is always required when no connection exists to the recovery catalog and the TARGET database is closed.
- E. RMAN SBT-based backups of the database to be duplicated can be used by the auxiliary instance.
- F. RMAN disk-based backups of the database to be duplicated can be used by the auxiliary instance.
- G. The NOREDO clause must be used if the backups of the database being duplicated were taken when the database was in NOARCHIVELOG mode.
- H. The NOREDO clause can be used if the backups of the database being duplicated were taken when the database was in ARCHIVELOG mode.
正解：A、B、F、G
質問 # 159
RMAN has just been connected to a target database and the recovery catalog database.
In which two cases would an automatic partial resynchronization occur between this target database's control file and the RMAN recovery catalog?
- A. When the target is first registered.
- B. When a new data file is added to a tablespace in a registered target database.
- C. When any control file metadata for data file backups or image copies is now older than CONTROL_FILE_RECORD_KEEP_TIME.
- D. When a backup of the current SPFILE is created.
- E. When any control file metadata for archive log backups or image copies is now older than CONTROL_FILE_RECORD_KEEP_TIME.
正解：A、B
解説：
In a full resynchronization, RMAN updates all changed records, including those for the database schema. RMAN performs a full resynchronization after structural changes to database (adding or dropping database files, creating new incarnation, and so on) or after changes to the RMAN persistent configuration.
When a database is registered with a recovery catalog for the first time a full catalog synchronization is performed
https://docs.oracle.com/en/database/oracle/oracle-database/19/bradv/managing-recovery- catalog.html#GUID-6B077FE7-8E10-4603-8FDB-CAE3357E85C9
質問 # 160
Which three are true about SGA memory management in a multitenant database? (Choose three.)
- A. SGA_MIN_SIZE cannot be set for a PDB.
- B. Setting DB_CACHE_SIZE for a PDB guarantees a minimum amount of Database Buffer Cache memory for that PDB.
- C. Setting SGA_TARGET for a PDB guarantees a minimum amount of SGA memory for that PDB.
- D. Setting SHARED_POOL_SIZE for a PDB guarantees a minimum amount of Shared Pool memory for that PDB.
- E. The SGA_TARGET setting for a PDB cannot exceed 50%of the SGA_TARGET value of the root container.
- F. The SHARED_POOL_SIZE setting for a PDB can be up to 80%of the SHARED_POOL_SIZE setting of the root container.
正解：B、D、E
質問 # 161
Choose two. Which two are true about unplugging an application container from a container database and plugging it into a different container database?
- A. The application root of an application container should be plugged into the other CDB before its application PDBs are plugged in.
- B. It requires local UNDO mode in both container databases.
- C. It requires only local UNDO mode in the database where the application container will be unplugged.
- D. Application PDBs in the application container must be unplugged before the application root is unplugged.
- E. Unplugging the application root from a CDB unplugs all its application PDBs.
- F. Plugging the application root into a different CDB plugs in all its application PDBs.
正解：A、D
質問 # 162
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