网友您好, 请在下方输入框内输入要搜索的题目:
题目内容
(请给出正确答案)
单选题
You executed the following command to perform a backup of the USERS tablespace:SQL> ALTER TABLESPACE users BEGIN BACKUP;ALTER TABLESPACE users BEGIN BACKUP* ERROR at line 1: ORA-01123: cannot start online backup; media recovery not enabled What could be the reason for this error()
A
The MTTR Advisor is disabled.
B
The database is in NOARCHIVELOG mode.
C
The tablespace is already in backup mode.
D
The Flash Recovery Area is not configured
参考答案
参考解析
解析:
暂无解析
更多 “单选题You executed the following command to perform a backup of the USERS tablespace:SQL ALTER TABLESPACE users BEGIN BACKUP;ALTER TABLESPACE users BEGIN BACKUP* ERROR at line 1: ORA-01123: cannot start online backup; media recovery not enabled What could be the reason for this error()A The MTTR Advisor is disabled.B The database is in NOARCHIVELOG mode.C The tablespace is already in backup mode.D The Flash Recovery Area is not configured” 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
You executed the following command to perform a backup of the USERS tablespace: SQL ALTER TABLESPACE users BEGIN BACKUP; ALTER TABLESPACE users BEGIN BACKUP * ERROR at line 1: ORA-01123: cannot start online backup; media recovery not enabled What could be the reason for this error()A、The MTTR Advisor is disabled.B、The database is in NOARCHIVELOG mode.C、The tablespace is already in backup mode.D、The Flash Recovery Area is not configured.
考题
You executed the following command in Recovery Manager (RMAN) against your Oracle 10g database:RMAN REPORT NEED BACKUP days 3;What would be the output of this command?()A、 a list of files that require a backup within three daysB、 a list of files that have not been backed up for three daysC、 a list of files that RMAN recommends be backed up only once in every three days, based on low volatilityD、 a list of files for which a backup has already been performed and may need a backup after three days
考题
You executed the following command in Recovery Manager (RMAN) to perform a backup of the DETTBS tablespace: RMAN BACKUP TABLESPACE DETTBS; Under which conditions would this command execute successfully? ()A、The database is in NOMOUNT state.B、The database is in ARCHIVELOG mode and the tablespace is online.C、The database is in ARCHIVELOG mode and the tablespace is offline.D、The database is in NOARCHIVELOG mode and the tablespace is online.E、The database is in NOARCHIVELOG mode and the tablespace is offline.
考题
Which command is used to configure RMAN to perform a compressed backup for every backup executed?()A、 BACKUP AS COMPRESSED BACKUPSET DATABASEB、 BACKUP AS COMPRESSED COPY OF DATABASEC、 CONFIGURE DEVICE TYPE DISK BACKUP TYPE TO COMPRESSED BACKUPSETD、 CONFIGURE DEVICE TYPE DISK BACKUP TYPE COMPRESS E、 BACKUP DATABASE COMPRESS
考题
You executed the following command to back up the control file: ALTER DATABASE BACKUP CONTROLFILE TO TRACE; What do you find in the trace file?()A、Image of the control fileB、Location of the control fileC、Contents of the control file in text formatD、SQL command to re-create the databaseE、SQL command to re-create the control fileF、Contents of the control file in binary format
考题
You want to take the backup of the USERS tablespace. It has a single data file of 900 MB. You have tape drives of 300 MB each. The SBT channel is configured for Recovery Manager (RMAN). To accomplish the backup, you issued the following RMAN command: RMAN BACKUP SECTION SIZE 300M TABLESPACE users; Which two statements are true about the execution of the above command? ()(Choose two.)A、The backup piece size will be limited to 300 MBB、The RMAN uses multiplexing to perform backupC、The operation is accomplished using the default channel availableD、The RMAN parallelizes the backup although the parallelism is not set for a channel
考题
You executed the following command to back up your control file: ALTER DATABASE BACKUP CONTROLFILE TO TRACE; Which initialization parameter is used to specify the location of the trace file?()A、USER_DUMP_DESTB、CORE_DUMP_DESTC、TRACE_DUMP_DESTD、BACKUP_DUMP_DESTE、BACKGROUND_DUMP_DEST
考题
The database is running in the ARCHIVELOG mode. It has three redo log groups with one member each. Oneof the redo log groups has become corrupted. You have issued the following command during the recovery of a damaged redo log file:ALTER DATABASE CLEAR UNARCHIVED LOGFILE GROUP 3; Which action should you perform immediately after using this command?()A、You should perform a log switchB、You should make a backup of the databaseC、You should switch the database to the NONARCHIVELOG modeD、You should shut down the database instance and perform a complete database recovery
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 have lost all your database control files. To recover them, you are going to use the results of the alter database backup controlfile to trace command. Your datafiles and your online redo logs are all intact. Which of the following is true regarding your recovery?() A、 You will need to open the database with the resetlogs command.B、 All you need to do is execute the trace file from SQL*Plus and it will perform the recovery for you.C、 You will use the resetlogs version of the create controlfile command.D、 You will use the noresetlogs version of the create controlfile command.E、 You will use the trace file to create a backup control file, and then you will recover the database with the recover database using backup controlfile command
考题
View the Exhibit.You executed the following command to perform a backup of the USERS tablespace: RMAN BACKUP TABLESPACE USERS; Which three types of files are backed up? ()A、 all the data files belonging to the USERS tablespaceB、 password fileC、 online redo log filesD、 the current control fileE、 archived redo log filesF、 the current server parameter fileG、 data files belonging to the USERS tablespace and all the default tablespaces
考题
单选题You executed the following command to back up your control file: ALTER DATABASE BACKUP CONTROLFILE TO TRACE; Which initialization parameter is used to specify the location of the trace file?()A
USER_DUMP_DESTB
CORE_DUMP_DESTC
TRACE_DUMP_DESTD
BACKUP_DUMP_DESTE
BACKGROUND_DUMP_DEST
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View the Exhibit.You executed the following command to perform a backup of the USERS tablespace: RMAN BACKUP TABLESPACE USERS; Which three types of files are backed up? ()Aall the data files belonging to the USERS tablespaceBpassword fileConline redo log filesDthe current control fileEarchived redo log filesFthe current server parameter fileGdata files belonging to the USERS tablespace and all the default tablespaces
考题
单选题You executed the following command in Recovery Manager (RMAN): RMAN RESTORE CONTROLFILE; Which operation must you perform before this command is executed?()A
back up the control file to traceB
bring database to the MOUNT stateC
open a connection to the RMAN recovery catalog, which contains the RMAN metadata for the target databaseD
set the database ID (DBID), but only if the DB_NAME parameter associated with the target database is unique in the recovery catalog
考题
多选题You want to take the backup of the USERS tablespace. It has a single data file of 900 MB. You have tape drives of 300 MB each. The SBT channel is configured for Recovery Manager (RMAN). To accomplish the backup, you issued the following RMAN command: RMAN BACKUP SECTION SIZE 300M TABLESPACE users; Which two statements are true about the execution of the above command? ()(Choose two.)AThe backup piece size will be limited to 300 MBBThe RMAN uses multiplexing to perform backupCThe operation is accomplished using the default channel availableDThe RMAN parallelizes the backup although the parallelism is not set for a channel
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
多选题You executed the following command in Recovery Manager (RMAN) to perform a backup of the DETTBS tablespace: RMAN BACKUP TABLESPACE DETTBS; Under which conditions would this command execute successfully? ()AThe database is in NOMOUNT state.BThe database is in ARCHIVELOG mode and the tablespace is online.CThe database is in ARCHIVELOG mode and the tablespace is offline.DThe database is in NOARCHIVELOG mode and the tablespace is online.EThe database is in NOARCHIVELOG mode and the tablespace is offline.
考题
单选题You have lost all your database control files. To recover them, you are going to use the results of the alter database backup controlfile to trace command. Your datafiles and your online redo logs are all intact. Which of the following is true regarding your recovery?()A
You will need to open the database with the resetlogs command.B
All you need to do is execute the trace file from SQL*Plus and it will perform the recovery for you.C
You will use the resetlogs version of the create controlfile command.D
You will use the noresetlogs version of the create controlfile command.E
You will use the trace file to create a backup control file, and then you will recover the database with the recover database using backup controlfile command
考题
单选题You executed the following command in Recovery Manager (RMAN): RMAN RESTORE CONTROLFILE; Which operation must you perform before this command is executed?()A
back up the control file to traceB
bring database to the MOUNT stateC
open a connection to the RMAN recovery catalog, which contains the RMAN metadata for the target databaseD
set the database ID (DBID), but only if the DB_NAME parameter associated with the target database is unique in the recovery catalog
考题
单选题You executed the following command in Recovery Manager (RMAN) against your Oracle 10g database: RMAN REPORT NEED BACKUP days 3; What would be the output of this command?()A
a list of files that require a backup within three daysB
a list of files that have not been backed up for three daysC
a list of files that RMAN recommends be backed up only once in every three days, based on low volatilityD
a list of files for which a backup has already been performed and may need a backup after three days
考题
单选题You executed the following command to back up the control file: ALTER DATABASE BACKUP CONTROLFILE TO TRACE; What do you find in the trace file?()A
Image of the control fileB
Location of the control fileC
Contents of the control file in text formatD
SQL command to re-create the databaseE
SQL command to re-create the control fileF
Contents of the control file in binary format
考题
单选题The database is running in the ARCHIVELOG mode. It has three redo log groups with one member each. One of the redo log groups has become corrupted. You have issued the following command during the recovery of a damaged redo log file: ALTER DATABASE CLEAR UNARCHIVED LOGFILE GROUP 3; Which action should you perform immediately after using this command?()A
You should perform a log switchB
You should make a backup of the databaseC
You should switch the database to the NONARCHIVELOG modeD
You should shut down the database instance and perform a complete database recovery
考题
单选题You have configured your database to use RMAN for backup and recovery. You must back up the datafile contained in the TS1 tablespace. The size of the datafile in the TS1 tablespace is 200 MB. You issue the following command from the RMAN prompt to perform a backup of the tablespace: RMAN BACKUP TABLESPACE TS1 MAXSETSIZE 100M; Which statement is true about executing this command?()A
The command generates an error.B
The command backs up the tablespace and creates a backup set of size 200 MBC
The command backs up the tablespace and creates two backup sets of size 100 MB each.D
The command backs up the tablespace and creates a backup set with backup pieces of size 100 MB each.
考题
单选题Which command is used to configure RMAN to perform a compressed backup for every backup executed?()A
BACKUP AS COMPRESSED BACKUPSET DATABASEB
BACKUP AS COMPRESSED COPY OF DATABASEC
CONFIGURE DEVICE TYPE DISK BACKUP TYPE TO COMPRESSED BACKUPSETD
CONFIGURE DEVICE TYPE DISK BACKUP TYPE COMPRESS E
BACKUP DATABASE COMPRESS
热门标签
最新试卷