Oracle OCA認定資格
「ITパスポート試験」は、独立行政法人 情報処理推進機構(IPA)が実施する、「情報処理技術者試験」のエントリレベル1に位置付けられる試験です。オラクル認定資格を取得することは、受験者の多くの問題を解決できる能力を証明します。killtestという問題集を使って、認定を取得することができます。killtestの参考書はお客様の試験資料を提供して、勉強時間は短くても、合格を保証できます。試験の的中率が高くて、不合格になる場合は、全額返済することを保証できます。
試験番号: 1Z0-042
試験の名称: Oracle database 10g:Administration I
1. In your Oracle 10g database , you have scheduled a job to update the optimizer statistics at 05:00 pm
every Friday. The job has successfully completed. Which three pieces of information would you check to
confirm that the statistics have been collected? (Choose three.)
A. average row size
B. last analyzed date
C. size of table in bytes
D. size of table in database blocks
E. number of free blocks in the free list
F. number of extents present in the table
Answer: ABD
2. You are in the middle of a transaction and very crucial data has been modified. Because of a hardware
failure, the instance has shut down before synchronizing all the database files.
Which two statements are true? (Choose two.)
A. On startup, SMON coordinates instance recovery.
B. On startup, CKPT coordinates instance recovery.
C. On startup, use RMAN to perform instance recovery.
D. Uncommitted changes will be rolled back after the database is opened.
E. On startup, perform media recovery and then instance recovery.
F. On startup, all the files will be synchronized and you get both committed and uncommitted data.
Answer: AD
3. You are using the backup scheduler in Enterprise Manager (EM) to schedule a backup of your
database.
Which type of script does the backup scheduler generate?
A. SQL script
B. PL/SQL script
C. Operating System (OS) script
D. Enterprise Manager (EM) script
E. Recovery Manager (RMAN) script
Answer: E
4. You executed the following command to export the EMPLOYEES table from a remote machine:
$ EXPDP hr/hr@data.us.oracle.com
DUMPFILE=my_dir:exp_hr.log
LOGFILE=data_pump_dir:log_hr.log
TABLES=employees
What would be the outcome of this command?
A. The command would execute successfully and the export dump file would be created in the destination
of the directory object MY_DIR.
B. The command would execute successfully. But log file would not be created as DATA_PUMP_DIR
directory is only accessible to user with SYSDBA privilege.
C. The command fails with an error because DATA_PUMP_DIR directory have higher precedence over
the per-file directory.
D. The command fails with an error because no absolute path is specified for log file and dumpfile.
Answer: A
5. Which step do you need to perform to enable a user with the SYSDBA privilege to log in as SYSDBA in
iSQL*Plus?
A. The user must be granted the database administrator (DBA) privilege.
B. The user must be listed in the password file for the authentication.
C. No special setup is needed for the user to connect as SYSDBA in iSQL*Plus.
D. Set up a user in the Oracle Application Server Containers for J2EE (OC4J) user manager, and grant
the webDba role to the user.
Answer: D
6. Which two statements regarding the LOGGING clause of the CREATE TABLESPACE. .. statement are
correct? (Choose two.)
A. This clause is not valid for a temporary or undo tablespace.
B. If the tablespace is in the NOLOGGING mode, no operation on the tablespace will generate redo.
C. The tablespace will be in the NOLOGGING mode by default, if not specified while creating a
tablespace.
D. The tablespace-level logging attribute can be overridden by logging specifications at the table, index,
materialized view, materialized view log, and partition levels.
Answer: AD
7. Which two statements are true about the primary key constraint in a table? (Choose two.)
A. It is not possible to disable the primary key constraint.
B. It is possible to have more than one primary key constraint in a single table.
C. The primary key constraint can be referred by only one foreign key constraint.
D. The primary key constraint can be imposed by combining more than one column.
E. The non-deferrable primary key constraint creates an unique index on the primary key column if it is
not already indexed.
Answer: DE
「ITパスポート試験」は、独立行政法人 情報処理推進機構(IPA)が実施する、「情報処理技術者試験」のエントリレベル1に位置付けられる試験です。オラクル認定資格を取得することは、受験者の多くの問題を解決できる能力を証明します。killtestという問題集を使って、認定を取得することができます。killtestの参考書はお客様の試験資料を提供して、勉強時間は短くても、合格を保証できます。試験の的中率が高くて、不合格になる場合は、全額返済することを保証できます。
試験番号: 1Z0-042
試験の名称: Oracle database 10g:Administration I
1. In your Oracle 10g database , you have scheduled a job to update the optimizer statistics at 05:00 pm
every Friday. The job has successfully completed. Which three pieces of information would you check to
confirm that the statistics have been collected? (Choose three.)
A. average row size
B. last analyzed date
C. size of table in bytes
D. size of table in database blocks
E. number of free blocks in the free list
F. number of extents present in the table
Answer: ABD
2. You are in the middle of a transaction and very crucial data has been modified. Because of a hardware
failure, the instance has shut down before synchronizing all the database files.
Which two statements are true? (Choose two.)
A. On startup, SMON coordinates instance recovery.
B. On startup, CKPT coordinates instance recovery.
C. On startup, use RMAN to perform instance recovery.
D. Uncommitted changes will be rolled back after the database is opened.
E. On startup, perform media recovery and then instance recovery.
F. On startup, all the files will be synchronized and you get both committed and uncommitted data.
Answer: AD
3. You are using the backup scheduler in Enterprise Manager (EM) to schedule a backup of your
database.
Which type of script does the backup scheduler generate?
A. SQL script
B. PL/SQL script
C. Operating System (OS) script
D. Enterprise Manager (EM) script
E. Recovery Manager (RMAN) script
Answer: E
4. You executed the following command to export the EMPLOYEES table from a remote machine:
$ EXPDP hr/hr@data.us.oracle.com
DUMPFILE=my_dir:exp_hr.log
LOGFILE=data_pump_dir:log_hr.log
TABLES=employees
What would be the outcome of this command?
A. The command would execute successfully and the export dump file would be created in the destination
of the directory object MY_DIR.
B. The command would execute successfully. But log file would not be created as DATA_PUMP_DIR
directory is only accessible to user with SYSDBA privilege.
C. The command fails with an error because DATA_PUMP_DIR directory have higher precedence over
the per-file directory.
D. The command fails with an error because no absolute path is specified for log file and dumpfile.
Answer: A
5. Which step do you need to perform to enable a user with the SYSDBA privilege to log in as SYSDBA in
iSQL*Plus?
A. The user must be granted the database administrator (DBA) privilege.
B. The user must be listed in the password file for the authentication.
C. No special setup is needed for the user to connect as SYSDBA in iSQL*Plus.
D. Set up a user in the Oracle Application Server Containers for J2EE (OC4J) user manager, and grant
the webDba role to the user.
Answer: D
6. Which two statements regarding the LOGGING clause of the CREATE TABLESPACE. .. statement are
correct? (Choose two.)
A. This clause is not valid for a temporary or undo tablespace.
B. If the tablespace is in the NOLOGGING mode, no operation on the tablespace will generate redo.
C. The tablespace will be in the NOLOGGING mode by default, if not specified while creating a
tablespace.
D. The tablespace-level logging attribute can be overridden by logging specifications at the table, index,
materialized view, materialized view log, and partition levels.
Answer: AD
7. Which two statements are true about the primary key constraint in a table? (Choose two.)
A. It is not possible to disable the primary key constraint.
B. It is possible to have more than one primary key constraint in a single table.
C. The primary key constraint can be referred by only one foreign key constraint.
D. The primary key constraint can be imposed by combining more than one column.
E. The non-deferrable primary key constraint creates an unique index on the primary key column if it is
not already indexed.
Answer: DE
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