默认题库 - 1z0-043

多选题

Your database is running in the ARCHIVELOG mode. You have configured RMAN for backup and recovery operations. You execute the following command from the RMAN prompt： RMAN> CONFIGURE CONTROLFILE AUTOBACKUP ON； After executing this command， in which of the following cases will RMAN make an auto-backup of the control file？（）

A. when you change the name of a datafile
B. when you drop a table from the database
C. when you take an export of the database
D. when you back up the database using OS utilities
E. when you issue an ALTER SYSTEM SWITCH LOGFILE statement
F. when you issue a BACKUP command from inside the RMAN run block

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单选题

You are maintaining your database in Oracle10g. On Tuesday at 8：00 A.M.， while starting the database， you discover that all the control files are missing. The backup of the full database was performed on Sunday at 6：00 P.M. Which type of recovery will you perform？（）

A. incomplete recovery
B. complete recovery
C. recovery using the Flashback Database feature
D. recovery using the export/import utility

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单选题

You work as a database administrator at Certkiller .com. In your production database there is a job， CALC_STAT， which has been scheduled to run every Friday at 5.00 p.m. CALC_STATupdates the optimizer statistics for the objects owned by the APPSschema. You want the task to be generic， thereby allowing users to modify the attributes of the task at run time without affecting the original task.Which component of Oracle Scheduler must you define to achieve this？（）

A. Window
B. Program
C. Job class
D. Window grou

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多选题

What are the two advantages of RMAN Block Media Recovery （BMR） over file-level recovery？（）

A. BMR lowers the mean time to recover （MTTR）.
BMR supports point-in-time recovery of individual data blocks.
C. BMR enables you to use incremental backups for block recovery.
D. BMR enables recovery even when the database is not mounted or open.
E. BMR enables you to use proxy backups to perform block media recovery.
F. BMR enables increased availability of data during recovery because the data file requires a recovery can remain online.

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单选题

You issued the following block of code： SQL>BEGIN DBMS_RESOURCE_MANAGER_PRIVS.GRANT_SWITCH_CONSUMER_GROUP（ ’PROG_ROLE’， ’DEVELOPERS’ ，FALSE）； END； SQL>/ Which option is NOT a result of executing the above code？（）

A. The switch privilege is granted to the PROG_ROLE role.
B. The users granted the role PROG_ROLE will be able to switch to the DEVELOPERS group.
C. The users cannot grant the switch privilege to other users.
D. The above code will not be executed successfully because the GRANT_SWITCH_CONSUMER_GROUP procedure is an invalid procedure in Oracle10g.

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单选题

In which scenario is a Database Administrator NOT required to perform an incomplete recovery？（）

A. when all the online redo log groups are multiplexed and one of the members of a group is missing
B. when all the online redo log groups are not multiplexed and one log group is missing
C. when all the control files are missing
D. when some important tables are deleted from the database and purged from the Recycle Bi

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单选题

You want an ASM instance to manage the files of your database. To achieve this objective， you specify the following parameters in the parameter file of the database： INSTANCE_TYPE = RDBMS DB_NAME = PROD LARGE_POOL_SIZE = 8MB DB_BLOCK_SIZE = 4K LOG_ARCHIVE_DEST = +dgroupA LOG_ARCHIVE_FORMAT = "$ORACLE_SID_%s_%t.%t" DB_CREATE_FILE_DEST = +dgroupA COMPATIBLE = 10.1.0.2.0 CONTROL_FILES = +dgroupA Which parameter would be ignored while starting up the instance for the database PROD？（）

A. LARGE_POOL_SIZE
B. DB_CREATE_FILE_DEST
C. LOG_ARCHIVE_DEST
D. CONTROL_FILES
E. LOG_ARCHIVE_FORMAT
F. DB_BLOCK_SIZE

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单选题

Your business has departmental reports that are generated every day. Each department must use the same set of queries， but access a different subset of data in the tables， depending on which department generates the report. The format of the reports is being developed； currently， the format changes daily. How would you configure the database to ensure that each department generates its report （based on its target data） using the most recent report format every day？（）

A. By having each user run the report generation procedure at the scheduled time， supplying the necessary input variables.
By creating a program using DBMS_JOB that accepts one or more variables， and creating a job that calls this program using DBMS_JO
C. By having each user schedule a job using DBMS_JOB that accepts one or more input variables and calls a procedure that generates the report.
D. By having each user create a job using DBMS_SCHEDULER that includes all the information and commands necessary to generate the report.
E. By creating a program using DBMS_SCHEDULER that accepts one or more variables， and creating a job that calls this program using DBMS_SCHEDULE

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单选题

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.

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单选题

At 5：30 PM， a database administrator， William， is informed that an important record of employee no E0025 is missing from the SCOTT.EMPLOYEE table. At 4：30 P.M， the table contained the record of employee no E0025. William issues the following command to find the SQL statements that are used to undo the deletion： SELECT operation， undo_sql， logon_user FROM FLASHBACK_TRANSACTION_QUERY WHERE xid= HEXTORAW（’0100043E23456’）； where ’0100043E23456’ is the transaction ID of the transaction that deleted the row. Before issuing the above statement， which task did William perform to identify the transaction ID of the transaction that deleted the row？（）

A. William used the Flashback Version Query feature.
B. William issued the CROSSCHECK command at the RMAN prompt.
C. William viewed the alert log file.
D. William used the Flashback Table feature.

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