You enable block change tracking. You issue the following command: BACKUP INCREMENTAL LEVEL 0 DATABASE; The next day, you issue the following command: BACKUP INCREMENTAL LEVEL 1 CUMULATIVE DATABASE; Which statement about the use of the change tracking file is true?（） You enable block change tracking. You issue the following command: BACKUP INCREMENTAL LEVEL 0 DATABASE; The next day, you issue the following command: BACKUP INCREMENTAL LEVEL 1 CUMULATIVE DATABASE; Which statement about the use of the change tracking file is true?（）..

第1题

[单选题] You have not configured Oracle Managed Files (OMF) in your database. You do not want to scan the entire datafile every time an incremental backup is performed. You decide to enable the block change tracking feature.Which statement should you use to enable the block change tracking feature?（）

A、ALTER DATABASE ENABLE BLOCK CHANGE TRACKING B、ALTER SYSTEM ENABLE BLOCK CHANGE TRACKING USING FILE C、ALTER DATABASE ENABLE BLOCK CHANGE TRACKING USING FILE D、ALTER SYSTEM ENABLE BLOCK CHANGE TRACKING

点击查看答案

第2题

[单选题] You have not configured Oracle Managed Files (OMF) in your database. You do not want to scan the entire datafile every time an incremental backup is performed. You decide to enable the block change tracking feature. Which statement should you use to enable the block change tracking feature?（）

A、ALTER DATABASE ENABLE BLOCK CHANGE TRACKING; B、ALTER SYSTEM ENABLE BLOCK CHANGE TRACKING USING FILE <path>; C、ALTER DATABASE ENABLE BLOCK CHANGE TRACKING USING FILE <path>; D、ALTER SYSTEM ENABLE BLOCK CHANGE TRACKING;

点击查看答案

第3题

[单选题] You have not configured Oracle Managed Files （OMF） in your database. You do not want to scan the entire datafile every time an incremental backup is performed. You decide to enable the block change tracking feature. Which statement will you use to enable the block change tracking feature？（）

A、 ALTER SYSTEM ENABLE BLOCK CHANGE TRACKING； B、 ALTER DATABASE ENABLE BLOCK CHANGE TRACKING； C、 ALTER SYSTEM ENABLE BLOCK CHANGE TRACKING USING FILE ； D、 ALTER DATABASE ENABLE BLOCK CHANGE TRACKING USING FILE ；

点击查看答案

第4题

[单选题] You have not configured Oracle Managed Files （OMF） in your database. You do not want to scan the entire datafile every time an incremental backup is performed. You decide to enable the block change tracking feature. Which statement should you use to enable the block change tracking feature？（）

A、 ALTER DATABASE ENABLE BLOCK CHANGE TRACKING B、 ALTER SYSTEM ENABLE BLOCK CHANGE TRACKING USING FILE C、 ALTER DATABASE ENABLE BLOCK CHANGE TRACKING USING FILE D、 ALTER SYSTEM ENABLE BLOCK CHANGE TRACKING

点击查看答案

第5题

[多选题] You performed an incremental level 0 backup of a database: RMAN > BACKUP INCREMENTAL LEVEL 0 DATABASE; To enable block change tracking after the incremental level 0 backup, you issued this command: SQL > ALTER DATABASE ENABLE BLOCK CHANGE TRACKING USING FILE ‘ /mydir/rman_change_track.f’; To perform an incremental level 1 cumulative backup, you issued this command: RMAN> BACKUP INCREMENTAL LEVEL 1 CUMULATIVE DATABASE; Which three statements are true?（）

A、Backup change tracking will sometimes reduce I/O performed during cumulative incremental backups. B、The change tracking file must always be backed up when you perform a full database backup. C、Block change tracking will always reduce I/O performed during cumulative incremental backups. D、More than one database block may be read by an incremental backup for a change made to a single block. E、The incremental level 1 backup that immediately follows the enabling of block change tracking will not read the change tracking file to discover changed blocks.

点击查看答案

第6题

[] You enable block change tracking. You issue the following command: BACKUP INCREMENTAL LEVEL 0 DATABASE; The next day, you issue the following command: BACKUP INCREMENTAL LEVEL 1 CUMULATIVE DATABASE; Which statement about the use of the change tracking file is true?（） You enable block change tracking. You issue the following command: BACKUP INCREMENTAL LEVEL 0 DATABASE; The next day, you issue the following command: BACKUP INCREMENTAL LEVEL 1 CUMULATIVE DATABASE; Which statement about the use of the change tracking file is true?（）

A、A. RMAN reads the block change tracking file only when it performs the incremental level 0 backup. B、B. RMAN reads the block change tracking file when it performs both incremental backups. C、C. RMAN reads the block change tracking file only when it performs the incremental level 1 backup. D、D. RMAN does not read the block change tracking file when it performs either incremental backup.

点击查看答案

第7题

[] Examine the following command used to perform incremental level 0 backup: RMAN> BACKUP INCREMENTAL LEVEL 0 DATABASE; To enable the block change tracking, after the incremental level 0 backup you issued the following command: SQL> ALTER DATABASE ENABLE BLOCK CHANGE TRACKING USING FILE '/mydir/ rman_change_track.f'; To perform incremental level 1 cumulative backup, you issued the following command: RMAN> BACKUP INCREMENTAL LEVEL 1 CUMULATIVE DATABASE; Which two statements are true in the above situation?（） Examine the following command used to perform incremental level 0 backup: RMAN> BACKUP INCREMENTAL LEVEL 0 DATABASE; To enable the block change tracking, after the incremental level 0 backup you issued the following command: SQL> ALTER DATABASE ENABLE BLOCK CHANGE TRACKING USING FILE '/mydir/ rman_change_track.f'; To perform incremental level 1 cumulative backup, you is

A、A. The block change tracking data will be used only from the next incremental 0 backup. B、B. The incremental backup will use change tracking data for accomplishing the backup. C、C. The incremental backup will not use change tracking data for accomplishing the backup. D、D. The block track file will scan all the blocks and create bitmap for all the blocks backed up in the level 0 backup.

点击查看答案

第8题

[单选题] Your network contains one Active Directory domain. You have a member server that runs Windows Server 2008 R2.You need to immediately disable all incoming connections to the server.What should you do？（）

A、From the Services snap-in, disable the IP Helper. B、From the Services snap-in, disable the Netlogon service. C、From Windows Firewall, enable the Block all connections option on the Public Profile. D、From Windows Firewall, enable the Block all connections option on the Domain Profile.

点击查看答案

第9题

[单选题] Your network contains one Active Directory domain. You have a member server that runs Windows Server 2008 R2.You need to immediately disable all incoming connections to the server. What should you do？（）

A、From the Services snap-in, disable the IP Helper. B、From the Services snap-in, disable the Netlogon service. C、From Windows Firewall, enable the Block all connections option on the Public Profile. D、From Windows Firewall, enable the Block all connections option on the Domain Profile.

点击查看答案

请使用微信扫码支付