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单选题
Examine the following scenario: The target database instance is running. The most recent backup available for the target database was taken two days ago. Log files switches have occurred in last two days. The target database is duplicated on the same host, using the Recovery Manager (RMAN) duplicate command as follows:   RMAN> RUN { ALLOCATE AUXILIARY CHANNEL aux 1 DEVICE TYPE DISK;  DUPLICATE TARGET DATABASE TO auxdb; }   Which statement is true about the duplicate database in this scenario?()
A

 It contains data till the last backup

B

 It contains all data from target database until the current time

C

 It contains all data from only the committed transactions in the target database

D

 It contains all data except that which is used by the transactions in the current online redo file of target database


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更多 “单选题Examine the following scenario: The target database instance is running. The most recent backup available for the target database was taken two days ago. Log files switches have occurred in last two days. The target database is duplicated on the same host, using the Recovery Manager (RMAN) duplicate command as follows:   RMAN RUN { ALLOCATE AUXILIARY CHANNEL aux 1 DEVICE TYPE DISK;  DUPLICATE TARGET DATABASE TO auxdb; }   Which statement is true about the duplicate database in this scenario?()A  It contains data till the last backupB  It contains all data from target database until the current timeC  It contains all data from only the committed transactions in the target databaseD  It contains all data except that which is used by the transactions in the current online redo file of target database” 相关考题
考题 Examine the following command that is used to duplicate a database on the same host:Which two statements describe the effect after the database is duplicated successfully? () A. The data files of the read-only tablespaces in the target database are not duplicatedB. The read-only tablespaces in the target database are still defined in new the databaseC. The read-only tablespaces in the target database are changed to online after duplicationD. The data files of the read-only tablespaces in the target database get duplicatedE. The read-only tablespaces in the target database are not defined in the new database

考题 You set the following parameters in the parameter file and restarted the database:Which two statements are true regarding these parameters after the database instance is restarted?() A. The MEMORY_MAX_TARGET parameter is automatically set to 500 MBB. The value of the MEMORY_MAX_TARGET parameter remains zero till it is changed manuallyC. The PGA_AGGREGATE_TARGET and SGA_TARGET parameters are automatically set to zeroD. The lower bounds of PGA_AGGREGATE_TARGET and SGA_TARGET parameters are set to 90 MB and 270 MB, respectively

考题 View the Exhibit to examine the parameter values.You are planning to set the value for the MEMORY_TARGET parameter of your database instance.What value would you recommend?() A. 90 MBB. 272 MBC. 362 MBD. 1,440 MB

考题 Examine the following command that is used to duplicate a database on the same host:RMAN RUN{ALLOCATE AUXILIARY CHANNEL, aux 1 DEVICE TYPE DISK;DUPLICATE TARGET DATABASE TO auxdb SKIP READONLY; \ }Which two statements describe the effect after the database is duplicated successfully? ()(Choose two)A. The data files of the read-only tablespaces in the target database are not duplicatedB. The read-only tablespaces in the target database are still defined in new the databaseC. The read-only tablespaces in the target database are changed to online after duplicationD. The data files of the read-only tablespaces in the target database get duplicatedE. The read-only tablespaces in the target database are not defined in the new database

考题 Examine the following scenario:The target database instance is running. The most recent backup available for the target database was taken two days ago. Log files switches have occurred in last two days. The target database is duplicated on the same host, using the Recovery Manager (RMAN) duplicate command as follows:Which statement is true about the duplicate database in this scenario?()A. It contains data till the last backupB. It contains all data from target database until the current timeC. It contains all data from only the committed transactions in the target databaseD. It contains all data except that which is used by the transactions in the current online redo file of target database

考题 Examine the following parameters for a database instance: MEMORY_MAX_TARGET=0MEMORY_TARGET=0SGA_TARGET=0PGA_AGGREGATE_TARGET=500mWhich three initialization parameters are not controlled by Automatic Shared Memory Management (ASMM)?()A. LOG_BUFFERB. SORT_AREA_SIZEC. JAVA_POOL_SIZED. STREAMS_POOL_SIZEE. DB_16K_CACHE_SZIEF. DB_KEEP_CACHE_SIZE

考题 In Recovery Manager (RMAN), you have set control file autobackup to ON by using the following command:  CONFIGURE CONTROLFILE AUTOBACKUP ON;  Which two events would cause the control file to be backed up automatically? ()A、a tablespace is taken offlineB、the database instance is restartedC、a new data file is added to an existing tablespaceD、a successful backup is recorded in the RMAN repositoryE、the RMAN connection is disconnected from the target database

考题 To implement Automatic Management (AMM), you set the following parameters: When you try to start the database instance with these parameter settings, you receive the following error message: SQL startup ORA-00824: cannot set SGA_TARGET or MEMORY_TARGET due to existing internal settings, see alert log for more information. Identify the reason the instance failed to start.()A、The PGA_AGGREGATE_TARGET parameter is set to zero.B、The STATISTICS_LEVEL parameter is setto basic.C、Both the SGA_TARGETandMEMORY_TARGET paramete rsareset.D、The SGA_MAX_SIZEandSGA_TARGET parameter value sare note qual.

考题 You work as a database administrator for Supportcenter.cn. The database is open. A media failure has occurred, resulting in loss of all the control files in your database. Which statement regarding the database instance is true in this scenario?()A、The instance would hang.B、The instance needs to be shut down.C、The instance would be in the open state.D、The instance would abort in such cases.E、The instance would be in the open and invalid state.F、The instance would in the open state, but all the background processes will be restarted.

考题 You specify a nonzero value for the MEMORY_TARGET initialization parameter,but do not set the PGA_AGGREGATE_TARGET or the SGA_TARGET parameters. You restart your database instance.  Which statement about the result is true?()A、 The database instance starts,and Oracle sets the default value of SGA_TARGET to the same value as SGA_MAX_SIZEB、 The database instance starts,and Oracle automatically tunes memory and allocates 60 percent to the  SGA and 40 percent to the PGAC、 The database instance starts,but Automatic Memory Management is disabledD、 The database instance will not start because you did not specify the PGA_AGGREGATE_TARGET or SGA_TARGET parameter

考题 Examine the following command that is used to duplicate a database on the same host: RMAN RUN { ALLOCATE AUXILIARY CHANNEL, aux 1 DEVICE TYPE DISK; DUPLICATE TARGET DATABASE TO auxdb SKIP READONLY; / } Which two statements describe the effect after the database is duplicated successfully? ()(Choose two)A、The data files of the read-only tablespaces in the target database are not duplicatedB、The read-only tablespaces in the target database are still defined in new the databaseC、The read-only tablespaces in the target database are changed to online after duplicationD、The data files of the read-only tablespaces in the target database get duplicatedE、The read-only tablespaces in the target database are not defined in the new database

考题 Examine the following commands executed in your database: SQL ALTER SESSION RECYCLEBIN=ON; Session altered  SQL  CREATE TABLE emp TABLESPACE tbsfd AS SELECT * FROM hr.employees;  Table created.  Further, you executed the following command to drop the table:  SQL DROP TABLE emp;Table dropped.  What happens in this scenario?()A、The table is moved to the SYSAUX tablespace.B、The table is moved to the SYSTEM tablespace.C、The table is removed from the database permanently.D、The table is renamed and remains in the TBSFD tablespace.

考题 Examine this statement:  RMAN BACKUP FORMAT ’/BACKUP/df_%d_%s_%p.bus1 DATABASE filesperset = 2;  What state must the target database be in for you to use this RMAN command?()A、The target database must be open.B、The target database must be closed.C、The target database must be mounted.D、The target database must be mounted or open.

考题 单选题Examine this statement:  RMAN BACKUP FORMAT ’/BACKUP/df_%d_%s_%p.bus1 DATABASE filesperset = 2;  What state must the target database be in for you to use this RMAN command?()A The target database must be open.B The target database must be closed.C The target database must be mounted.D The target database must be mounted or open.

考题 多选题Examine the following parameters for a database instance: MEMORY_MAX_TARGET=0 MEMORY_TARGET=0 SGA_TARGET=0 PGA_AGGREGATE_TARGET=500m Which three initialization parameters are not controlled by Automatic Shared Memory Management (ASMM)?()ALOG_BUFFERBSORT_AREA_SIZECJAVA_POOL_SIZEDSTREAMS_POOL_SIZEEDB_16K_CACHE_SZIEFDB_KEEP_CACHE_SIZE

考题 单选题View the Exhibit to examine the output produced by the following query at three different times since thedatabase instance started and has experienced workloads of different capacities:SQL SELECT substr(component, 0, 10) COMP, current_size CS, user_specified_size US FROM v$memory_dynamic_componentsWHERE current_size!=0;What do you infer from this()A The database instance is running with manual PGA management.B The database instance is running with manual shared memory management.C The database instance has the MEMORY_TARGET value set to a nonzero value.D All sessions are connected to the database instance in dedicated mode, and no RMAN or parallel queryoperations have been performed

考题 单选题Examine the parameter setting in your database: Which statement is correct about the database?()A Automatic memory management is disabled because PGA_AGGREGATE_TARGET and SGA_TARGET are not setB The instance is started but the database will not be opened until PGA_AGGREGATE_TARGET and SGA_TARGET are setC The database is opened but users cannot perform transactions until PGA_AGGREGATE_TARGET and SGA_TARGET are setD Automatic memory management is enabled and, as per policy, 60% of the memory for System Global Area (SGA) and 40% of the memory for Program Global Area (PGA) will be distributed at startup

考题 单选题You work as a database administrator for Supportcenter.cn. The database is open. A media failure has occurred, resulting in loss of all the control files in your database. Which statement regarding the database instance is true in this scenario?()A The instance would hang.B The instance needs to be shut down.C The instance would be in the open state.D The instance would abort in such cases.E The instance would be in the open and invalid state.F The instance would in the open state, but all the background processes will be restarted.

考题 单选题Examine the following scenario: - Database is running in ARCHIVELOG mode. - Complete consistent backup is taken every Sunday. - On Tuesday the instance terminates abnormally because the disk on which control files are located gets corrupted - The disk having active online redo log files is also corrupted. - The hardware is repaired and the paths for online redo log files and control files are still valid. Which option would you use to perform the recovery of database till the point of failure?()A Restore the latest whole backup, perform complete recovery, and open the database normallyB Restore the latest whole backup, perform incomplete recovery, and open the database with the RESETLOGS option.C Restore the latest backups control file, perform complete recovery, and open the database with the RESETLOGS option.D Restore the latest backup control file, perform incomplete recovery using backup control file, and open the database with the RESETLOG option.

考题 单选题Examine the following scenario: -Database is running in ARCHIVELOG mode. -Complete consistent backup is taken every Sunday. -On Tuesday the instance terminates abnormally because the disk on which control files are located gets corrupted -The disk having active online redo log files is also corrupted. -The hardware is repaired and the paths for online redo log files and control files are still valid. Which option would you use to perform the recovery of database till the point of failure?()A Restore the latest whole backup, perform complete recovery, and open the database normallyB Restore the latest whole backup, perform incomplete recovery, and open the database with the RESETLOGS optionC Restore the latest backups control file, perform complete recovery, and open the database with the RESETLOGS optionD Restore the latest backup control file, perform incomplete recovery using backup control file, and open the database with the RESETLOG option

考题 多选题Examine the following impdp command to import a database over the network from a pre-12c Oracledatabase (source): Which three are prerequisites for successful execution of the command?()AThe import operation must be performed by a user on the target database with the DATAPUMP_IMP_FULL_DATABASE role, and the database link must connect to a user on the source database with the DATAPUMP_EXD_FULL_DATABASE role.BAll the user-defined tablespaces must be in read-only mode on the source database.CThe export dump file must be created before starting the import on the target database.DThe source and target database must be running on the same platform with the same endianness.EThe path of data files on the target database must be the same as that on the source database.FThe impdp operation must be performed by the same user that performed the expdp operation.

考题 单选题You specify a nonzero value for the MEMORY_TARGET initialization parameter, but do not set the PGA_AGGREGATE_TARGET or the SGA_TARGET parameters. You restart your database instance. Which statement about the result is true?()A The database instance starts, and Oracle sets the default value of SGA_TARGET to the same value as SGA_MAX_SIZEB The database instance starts, and Oracle automatically tunes memory and allocates 60 percent to the SGA and 40 percent to the PGAC The database instance starts, but Automatic Memory Management is disabledD The database instance will not start because you did not specify the PGA_AGGREGATE_TARGET or SGA_TARGET parameter

考题 多选题Examine the following command that is used to duplicate a database on the same host:   RMAN RUN {  ALLOCATE AUXILIARY CHANNEL, aux 1 DEVICE TYPE DISK; DUPLICATE TARGET DATABASE TO auxdb SKIP READONLY; / } Which two statements describe the effect after the database is duplicated successfully?()AThe data files of the read-only tablespaces in the target database are not duplicatedBThe read-only tablespaces in the target database are still defined in new the databaseCThe read-only tablespaces in the target database are changed to online after duplicationDThe data files of the read-only tablespaces in the target database get duplicatedEThe read-only tablespaces in the target database are not defined in the new database

考题 多选题You set the following parameters in the parameter file and restarted the database:MEMORY_MAX_TARGET=0MEMORY_TARGET=500M PGA_AGGREGATE_TARGET=90MSGA_TARGET=270M Which two statements are true about these parameters after the database instance is restarted()AThe MEMORY_MAX_TARGET parameter is automatically set to 500 mb.BThe pga_AGGREGATE_TARGET and sga_TARGET parameters are automatically set to zero.CThe value of the MEMORY_MAX_TARGET parameter remains zero until it is changed manually.DThe lower bounds of pga_AGGREGATE_TARGET and sga_TARGET parameters are set to 90 nb and270 mb, respectively

考题 单选题To implement Automatic Management (AMM), you set the following parameters: When you try to start the database instance with these parameter settings, you receive the following error message: SQL startup ORA-00824: cannot set SGA_TARGET or MEMORY_TARGET due to existing internal settings, see alert log for more information. Identify the reason the instance failed to start.()A The PGA_AGGREGATE_TARGET parameter is set to zero.B The STATISTICS_LEVEL parameter is setto basic.C Both the SGA_TARGETandMEMORY_TARGET paramete rsareset.D The SGA_MAX_SIZEandSGA_TARGET parameter value sare note qual.

考题 多选题You are managing an Oracle Database 11g instance and an Oracle Database 10g instance on the same machine. Both instances use the ASM instance as storage. Which statement regarding the ASM disk group compatibility attributes are true in this scenario?()AThe database-compatibility version settings for each instance must be greater than or equal to the RDBMS compatibility of all ASM disk groups used by that database instances.BRDBMS compatibility and the database version determines whether a database instance can mount the ASM disk group.CThe RDBMS compatibility settings for a disk group control the format of data structures for ASM metadata on the disk.DASM compatibility controls which features for the ASM will be enabled.

考题 多选题Examine the following parameters for a database instance: MEMORY_MAX_TARGET=0 MEMORY_TARGET=0 SGA_TARGET=0 PGA_AGGREGATE_TARGET=500m Which three initialization parameters are not controlled by Automatic Shared Memory Management (ASMM)?()ALOG_BUFFERBSORT_AREA_SIZECJAVA_POOL_SIZEDSTREAMS_POOL_SIZEEDB_16K_CACHE_SZIEFDB_KEEP_CACHE_SIZE