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You are maintaining the PROD database of TeleSoft Corporation. You have initialized the following DB_BLOCK_CHECKING parameter in the init.ora file： DB_BLOCK_CHECKING = TRUE； What will be the result of setting this parameter？（）
- A、 Only data blocks of the SYSTEM tablespace will be checked.
- B、 Only data blocks of the SYSAUX tablespace will be checked.
- C、 A checksum will occur only on the checkpoint.
- D、 A checksum will occur every time a block is modified.
参考答案
更多 “You are maintaining the PROD database of TeleSoft Corporation. You have initialized the following DB_BLOCK_CHECKING parameter in the init.ora file： DB_BLOCK_CHECKING = TRUE； What will be the result of setting this parameter？（）A、 Only data blocks of the SYSTEM tablespace will be checked.B、 Only data blocks of the SYSAUX tablespace will be checked.C、 A checksum will occur only on the checkpoint.D、 A checksum will occur every time a block is modified.” 相关考题
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The DB_BLOCK_CHECKING initialization parameter is set to OFF.Which block checking would be performed?()
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You are maintaining your database in Oracle10g. You set the value of the UNDO_RETENTION initialization parameter to zero in the initialization parameter file. What will be the impact of specifying this setting？（） A、 The database will not start.B、 The database will start but will not retain the undo data in the undo segment.C、 The database will start， and the undo segment will contain the undo data for at least one hour.D、 The database will start， and the undo segment will retain the undo data for at least 15 minutes.
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The DB_BLOCK_CHECKING initialization parameter is set to OFF. 数据库块检测初始化参数被设定为关 Which block checking would be performed?（）A、The Oracle database will perform block checking for the index blocks only B、The Oracle database will not perform block checking for any of the data blocks C、The Oracle database will perform block checking for the default permanent tablespace only D、The Oracle database will perform block checking for the data blocks in all user tablespaces E、The Oracle database will perform block checking for the data blocks in the SYSTEM tablespace only Oracle
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The DB_BLOCK_CHECKING initialization parameter is set to OFF. Which block checking would be performed？（） A、 The Oracle database will perform block checking for the index blocks onlyB、 The Oracle database will not perform block checking for any of the data blocksC、 The Oracle database will perform block checking for the default permanent tablespace onlyD、 The Oracle database will perform block checking for the data blocks in all user tablespacesE、 The Oracle database will perform block checking for the data blocks in the SYSTEM tablespace only
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You are maintaining an OLTP database in Oracle10g. You find that the database is generating a large number of trace files. You decide to disable the trace files generated by the ARCn background process. Which action will enable you to disable the trace files generated by the ARCn background process？（） A、 Remove the LOG_ARCHIVE_DEST parameter from the init.ora file.B、 Set the value of the SQL_TRACE parameter to FALSE in the init.ora file.C、 Use the DBMS_MONITOR.SESSION_TRACE_DISABLE procedure.D、 Set the value of the LOG_ARCHIVE_TRACE initialization parameter to zero.
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You work as a database administrator for Certkiller .com. Your database is in the MOUNT state and you execute the following command to open it ALTER DATABASE OPEN； What two actions are performed as a result of this command？（）A、All control files are openedB、All redo files are openedC、The password file is openedD、The parameter file is openedE、All online data files are opened
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You have been recently hired as a database administrator. Your senior manager asks you to study the production database server and submit a report on the settings done by the previous DBA. While observing the server settings， you find that the following parameter has been set in the parameter file of the database： REMOTE_OS_AUTHENT = TRUE What could have been the reason to set this parameter as TRUE？（）A、to enable operating system authentication for a remote clientB、to restrict the scope of administration to identical operating systemsC、to allow the start up and shut down of the database from a remote clientD、to enable the administration of the operating system from a remote clientE、to disable the administration of the operating system from a remote client
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our database is in the MOUNT state and you execute the following command to open it： ALTER DATABASE OPEN What two actions are performed as a result of this command？（）A、All control files are opened.B、All redo log files are openedC、The password file is opened.D、The parameter file is opened.E、All online data files are opened.
考题
The DB_BLOCK_CHECKING initialization parameter is set to TRUE. What would be the result of this setting on the data blocks being written to the datafiles， every time the DBWn writes？（）A、The Oracle database will check all data blocks by going through the data on each block， making sure the data is self-consistent.B、DBWn and the direct loader will calculate a checksum and store it in the cache header of every data block when writing it to disk.C、The Oracle database will check data blocks belonging to the SYSTEM tablespace only， by going through the data on each block， making sure the data is self-consistent.D、The Oracle database will check data blocks belonging to the SYSAUX tablespace only， by going through the data on each block， making sure the data is self-consistent.E、The Oracle database will check data blocks in the SYSTEM and SYSAUX tablespaces only， by going through the data on each block， making sure the data is self-consistent
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You want to check all the data blocks being written to the datafiles by analyzing the data on each block every time the DBWn process writes. Which action will you perform to check the data blocks？（）A、 Set the value of the DB_BLOCK_CHECKING initialization parameter to TRUEB、 Use the ANALYZE utility.C、 Use the DBVERIFY utility.D、 Use the DBMS_REPAIR package.
考题
The DB_BLOCK_CHECKINGinitialization parameter is set to TRUE. What would be the result of this setting on the data blocks being written to the datafiles， every time the DBWn writes？（）A、 The Oracle database will check all data blocks by going through the data on each block， making sure the data is self-consistent.B、 The DBWn and the direct loader will calculate a checksum and store it in the cache header of every data block when writing it to disk.C、 The Oracle database will check data blocks belonging to the SYSTEM tablespace only， by going through the data on each block， making sure the data is self-consistent.D、 The Oracle database will check data blocks belonging to the SYSAUX tablespace only， by going through the data on each block， making sure the data is self-consistent.E、 The Oracle database will check data blocks in the SYSTEM and SYSAUX tablespaces only， by going through the data on each block， making sure the data is self-consistent.
考题
You have the following requirements in relation to the detection of block corruption for your database instance： Check for logical self-consistency of data blocks when modified in memory. Checksums are calculated before and after the block change. Checks are performed for the lost writes to the physical standby database. Which method would help you perform the above checks automatically？（）A、 Set the DB_SECUREFILE parameter to PERMITTEDB、 Set the DB_ULTRA_SAFE parameter to DATA_ONLYC、 Set the DB_LOCK_CHECKSUM parameter to TYPICALD、 Set the DB_LOST_WRITE_PROTECT parameter to TYPICAL
考题
单选题You are maintaining the PROD database of TeleSoft Corporation. You have initialized the following DB_BLOCK_CHECKING parameter in the init.ora file： DB_BLOCK_CHECKING = TRUE； What will be the result of setting this parameter？（）A
Only data blocks of the SYSTEM tablespace will be checked.B
Only data blocks of the SYSAUX tablespace will be checked.C
A checksum will occur only on the checkpoint.D
A checksum will occur every time a block is modified.
考题
多选题our database is in the MOUNT state and you execute the following command to open it： ALTER DATABASE OPEN What two actions are performed as a result of this command？（）AAll control files are opened.BAll redo log files are openedCThe password file is opened.DThe parameter file is opened.EAll online data files are opened.
考题
单选题You have been recently hired as a database administrator. Your senior manager asks you to study the production database server and submit a report on the settings done by the previous DBA. While observing the server settings， you find that the following parameter has been set in the parameter file of the database： REMOTE_OS_AUTHENT = TRUE What could have been the reason to set this parameter as TRUE？（）A
to enable operating system authentication for a remote clientB
to restrict the scope of administration to identical operating systemsC
to allow the start up and shut down of the database from a remote clientD
to enable the administration of the operating system from a remote clientE
to disable the administration of the operating system from a remote client
考题
单选题The DB_BLOCK_CHECKING initialization parameter is set to OFF. 数据库块检测初始化参数被设定为关 Which block checking would be performed?（）A
The Oracle database will perform block checking for the index blocks only B
The Oracle database will not perform block checking for any of the data blocks C
The Oracle database will perform block checking for the default permanent tablespace only D
The Oracle database will perform block checking for the data blocks in all user tablespaces E
The Oracle database will perform block checking for the data blocks in the SYSTEM tablespace only Oracle
考题
多选题Your PROD database has been started using the server parameter file. In your PROD database you are using RMAN for backup and recovery operations. You issue the following commands from the RMAN prompt： RMAN CONFIGURE CONTROLFILE AUTOBACKUP OFF； RMAN BACKUP DATABASE； Which files from the database will be backed up as a result of this BACKUP command？（）Acontrol fileBall datafilesCpassword fileDonline redo log fileEarchive redo log fileFserver parameter fileGonly the SYSTEM datafile
考题
单选题The DB_BLOCK_CHECKING initialization parameter is set to FALSE. What level of block checking would be performed？（）A
The Oracle database will not perform block checking for any of the data blocks.B
The Oracle database will perform block checking for the default permanent tablespace only. C
The Oracle database will perform block checking for the data blocks in all user tablespaces.D
The Oracle database will perform block checking for the data blocks in the SYSTEM tablespace only.E
The Oracle database will perform block checking for the data blocks in the SYSTEM and SYSAUX tablespaces.
考题
单选题You are maintaining your database in Oracle10g. You set the value of the UNDO_RETENTION initialization parameter to zero in the initialization parameter file. What will be the impact of specifying this setting？（）A
The database will not start.B
The database will start but will not retain the undo data in the undo segment.C
The database will start， and the undo segment will contain the undo data for at least one hour.D
The database will start， and the undo segment will retain the undo data for at least 15 minutes.
考题
单选题You want to check all the data blocks being written to the datafiles by analyzing the data on each block every time the DBWn process writes. Which action will you perform to check the data blocks？（）A
Set the value of the DB_BLOCK_CHECKING initialization parameter to TRUEB
Use the ANALYZE utility.C
Use the DBVERIFY utility.D
Use the DBMS_REPAIR package.
考题
单选题You are maintaining an OLTP database in Oracle10g. You have configured the Flash Recovery Area in your database. The Flash Recovery Area is full because you have set the retention policy to NONE. What will you do to resolve the problem？（）A
Increase the value of the FAST_START_MTTR_TARGET initialization parameter.B
Increase the value of the DB_RECOVERY_FILE_DEST_SIZE parameter.C
Increase the value of the PGA_AGGREGATE_TARGET initialization parameter.D
Increase the value of the SGA_TARGET initialization parameter.
考题
单选题The DB_BLOCK_CHECKING initialization parameter is set to OFF. Which block checking would be performed？（）A
The Oracle database will perform block checking for the index blocks onlyB
The Oracle database will not perform block checking for any of the data blocksC
The Oracle database will perform block checking for the default permanent tablespace onlyD
The Oracle database will perform block checking for the data blocks in all user tablespacesE
The Oracle database will perform block checking for the data blocks in the SYSTEM tablespace only
考题
单选题The DB_BLOCK_CHECKING initialization parameter is set to TRUE. What would be the result of this setting on the data blocks being written to the datafiles， every time the DBWn writes？（）A
The Oracle database will check all data blocks by going through the data on each block， making sure the data is self-consistent.B
DBWn and the direct loader will calculate a checksum and store it in the cache header of every data block when writing it to disk.C
The Oracle database will check data blocks belonging to the SYSTEM tablespace only， by going through the data on each block， making sure the data is self-consistent.D
The Oracle database will check data blocks belonging to the SYSAUX tablespace only， by going through the data on each block， making sure the data is self-consistent.E
The Oracle database will check data blocks in the SYSTEM and SYSAUX tablespaces only， by going through the data on each block， making sure the data is self-consistent
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