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多选题
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?（）
A
The block change tracking data will be used only from the next incremental 0 backup.
B
The incremental backup will use change tracking data for accomplishing the backup.
C
The incremental backup will not use change tracking data for accomplishing the backup.
D
The block track file will scan all the blocks and create bitmap for all the blocks backed up in the level 0 backup.
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更多 “多选题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?（）AThe block change tracking data will be used only from the next incremental 0 backup.BThe incremental backup will use change tracking data for accomplishing the backup.CThe incremental backup will not use change tracking data for accomplishing the backup.DThe block track file will scan all the blocks and create bitmap for all the blocks backed up in the level 0 backup.” 相关考题
考题
View the Exhibit and examine the output.You execute the following RMAN command to perform the backup operation:What is the multiplexing level in the preceding backup process()
A. 4B. 8C. 7D. 0
考题
View the Exhibit to examine the parameters set for your database instance.You execute the following command to perform I/O calibration after the declaration of bind variables in the session that are used in the command:Which statement describes the consequence?（）A. The command produces an error.B. The calibration process runs successfully and populates all the bind variables.C. The calibration process runs successfully but the latency time is not computed.D. The calibration process runs successfully but only the latency time is computed.Only users with the SYSDBA privilege can run this procedure. Qualified users must also turn on timed_statistics, and ensure asynch_io is enabled for datafiles.
考题
The man page for command shows the following syntax: The man page for command shows the following syntax: command [ －a | －b ] Which of the following statements is true regarding this entry?()
A. Either the -a or flag -b may be used, but not both.B. If the flag -a is used then the flag -b also must be used.C. One of the -a or -b flags must be used, but not both at the same time.D. Both the flags may be used together, but neither are mandatory.
考题
The seven basic quality tools are used within in the context of the PDCA Cycle to solve quality-related problems.These tools are used in（）in the following processes.A.plan quality managementB.perform quality assuranceC.perform quality controlD.perform quality improvement
考题
The following configuration command was entered into a router:ip route 172.16.3.0 255.255.255.0 192.168.2.4 Which of the following statements are true regarding this configuration change?()
A. The default administrative distance is used.B. The command is used to establish a static route.C. The command is used to configure the router interfaces.D. The command is used to establish a stub network.E. The subnet mask for the source address is 255.255.255.0
考题
The following configuration command was issued on router TK1:ip route 172.16.3.0 255.255.255.0 192.168.2.1.Which of the following statements are true regarding this command?（）A、The command is used to establish a static route.B、The default administrative distance is used.C、The command is used to configure the default route.D、The subnet mask for the source address is 255.255.255.0E、The command is used to establish a stub network
考题
The following configuration command was entered into a router:ip route 172.16.3.0 255.255.255.0 192.168.2.4 Which of the following statements are true regarding this configuration change?（）A、The default administrative distance is used.B、The command is used to establish a static route.C、The command is used to configure the router interfaces.D、The command is used to establish a stub network.E、The subnet mask for the source address is 255.255.255.0
考题
Weekly backups of the system are done on Sundays， and daily backups are done the rest of the week. Which of following backup methods were used if the system crashes on Friday and only requires two backup sets to recover the system？（）A、 Incremental and snapshotB、 Full and differentialC、 Full and incrementalD、 Differential and incremental
考题
Which of the following commands are used to create folders in a command prompt？（）A、CDB、RDC、MDD、SD
考题
Which of the following local files is used to run the date command on the remote machine "Earth" using the following rexec command without request for a password？ rexec Earth date（）。A、~/ .rhostsB、$HOME/.netrcC、/etc/hosts.equivD、/etc/security/user
考题
The man page for command shows the following syntax: The man page for command shows the following syntax: command [ -a | -b ] Which of the following statements is true regarding this entry?（）A、Either the -a or flag -b may be used, but not both.B、If the flag -a is used then the flag -b also must be used.C、One of the -a or -b flags must be used, but not both at the same time.D、Both the flags may be used together, but neither are mandatory.
考题
You issue the following command： RMANCONFIGURE BACKUP OPTIMIZATION ON； What is the result of this command on your backups？（）A、 An incremental backup strategy will be used automatically.B、 Read-only datafiles will not be backed up as long as backups of those files already exist and those backups meet established retention criteria.C、 RMAN will configure itself for maximum performance at the cost of CPU.D、 RMAN will configure itself for minimal OS/CPU impact at the cost of time to back up the database.E、 RMAN will automatically compress backups.
考题
View the Exhibit and examine the output. You execute the following RMAN command to perform the backup operation： RMAN RUN { ALLOCATE CHANNEL c1 DEVICE TYPE disk MAXOPENFILES 8； BACKUP DATABASE FILESPERSET 4； } What is the multiplexing level in the preceding backup process？（）A、 4B、 8C、 7D、 0
考题
You perform a backup using the following BACKUP command： RMAN BACKUP AS COMPRESSED BACKUPSET DATABASE； Which statement is true of this command？（） A、 A different procedure is required to restore a database from compressed backupsB、 The AS COMPRESSED clause of the BACKUP command provided by RMAN is used to create compressed backup sets and image copies.C、 Using this command to create backups minimizes the bandwidth consumedD、 Using this command to create backups improves the performance of the backup process
考题
You are managing a database for which incremental backups can be very time consuming. In order to perform optimized incremental backups you enable the block change tracking feature.How would you instruct RMAN to use the block change tracking feature when performing incremental backups？（）A、 You need to mention it with every BACKUP command.B、 The block change tracking feature is used automatically by RMAN.C、 You need to configure it using the CONFIGURE command.D、 You need to set the necessary initialization parameters to direct RMAN to use the feature.
考题
Which of the following does the recover command not do？（） A、 Restore archived redo logs.B、 Apply archived redo logs.C、 Restore incremental backups.D、 Apply incremental backups.E、 Restore datafile images.
考题
单选题You are managing a database for which incremental backups can be very time consuming. In order to perform optimized incremental backups you enable the block change tracking feature.How would you instruct RMAN to use the block change tracking feature when performing incremental backups？（）A
You need to mention it with every BACKUP command.B
The block change tracking feature is used automatically by RMAN.C
You need to configure it using the CONFIGURE command.D
You need to set the necessary initialization parameters to direct RMAN to use the feature.
考题
多选题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?（）AThe block change tracking data will be used only from the next incremental 0 backup.BThe incremental backup will use change tracking data for accomplishing the backup.CThe incremental backup will not use change tracking data for accomplishing the backup.DThe block track file will scan all the blocks and create bitmap for all the blocks backed up in the level 0 backup.
考题
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?（）ABackup change tracking will sometimes reduce I/O performed during cumulative incremental backups.BThe change tracking file must always be backed up when you perform a full database backup.CBlock change tracking will always reduce I/O performed during cumulative incremental backups.DMore than one database block may be read by an incremental backup for a change made to a single block.EThe incremental level 1 backup that immediately follows the enabling of block change tracking will not read the change tracking file to discover changed blocks.
考题
单选题View the Exhibit and examine the output. You execute the following RMAN command to perform the backup operation： RMAN RUN { ALLOCATE CHANNEL c1 DEVICE TYPE disk MAXOPENFILES 8； BACKUP DATABASE FILESPERSET 4； } What is the multiplexing level in the preceding backup process？（）A
4B
8C
7D
0
考题
单选题Examine the following query output: You issue the following command to import tables into the hr schema: $ impdp hr/hr directory = dumpdir dumpfile = hr_new.dmp schemas=hr TRANSFORM=DISABLE_ARCHIVE_LOGGING: Y Which statement is true?（）A
All database operations performed by the impdp command are logged.B
Only CREATE INDEX and CREATE TABLE statements generated by the import are logged.C
Only CREATE TABLE and ALTER TABLE statements generated by the import are logged.D
None of the operations against the master table used by Oracle Data Pump to coordinate its activities are logged.
考题
多选题The following configuration command was entered into a router:ip route 172.16.3.0 255.255.255.0 192.168.2.4 Which of the following statements are true regarding this configuration change?（）AThe default administrative distance is used.BThe command is used to establish a static route.CThe command is used to configure the router interfaces.DThe command is used to establish a stub network.EThe subnet mask for the source address is 255.255.255.0
考题
单选题You perform a backup using the following BACKUP command: RMAN BACKUP AS COMPRESSED BACKUPSET DATABASE; Which statement is true of this command?（）A
A different procedure is required to restore a database from compressed backupsB
The AS COMPRESSED clause of the BACKUP command provided by RMAN is used to create compressed backup sets and image copies.C
Using this command to create backups minimizes the bandwidth consumedD
Using this command to create backups improves the performance of the backup process
考题
单选题You issue the following command： RMANCONFIGURE BACKUP OPTIMIZATION ON； What is the result of this command on your backups？（）A
An incremental backup strategy will be used automatically.B
Read-only datafiles will not be backed up as long as backups of those files already exist and those backups meet established retention criteria.C
RMAN will configure itself for maximum performance at the cost of CPU.D
RMAN will configure itself for minimal OS/CPU impact at the cost of time to back up the database.E
RMAN will automatically compress backups.
考题
单选题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?（）A
RMAN reads the block change tracking file only when it performs the incremental level 0 backup.B
RMAN reads the block change tracking file when it performs both incremental backups.C
RMAN reads the block change tracking file only when it performs the incremental level 1 backup.D
RMAN does not read the block change tracking file when it performs either incremental backup.
考题
单选题Weekly backups of the system are done on Sundays， and daily backups are done the rest of the week. Which of following backup methods were used if the system crashes on Friday and only requires two backup sets to recover the system？（）A
Incremental and snapshotB
Full and differentialC
Full and incrementalD
Differential and incremental
考题
多选题The following configuration command was issued on router TK1:ip route 172.16.3.0 255.255.255.0 192.168.2.1.Which of the following statements are true regarding this command?（）AThe command is used to establish a static route.BThe default administrative distance is used.CThe command is used to configure the default route.DThe subnet mask for the source address is 255.255.255.0EThe command is used to establish a stub network
考题
单选题Which of the following does the recover command not do？（）A
Restore archived redo logs.B
Apply archived redo logs.C
Restore incremental backups.D
Apply incremental backups.E
Restore datafile images.
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