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)
多选题
Your database is running in the ARCHIVELOG mode. You have configured RMAN for backup and recovery operations. You execute the following command from the RMAN prompt:   RMAN> CONFIGURE CONTROLFILE AUTOBACKUP ON;   After executing this command, in which of the following cases will RMAN make an auto-backup of the control file? ()
A

when you change the name of a datafile

B

when you drop a table from the database

C

when you take an export of the database

D

when you back up the database using OS utilities

E

when you issue an ALTER SYSTEM SWITCH LOGFILE statement

F

when you issue a BACKUP command from inside the RMAN run block


参考答案

参考解析
解析: 暂无解析
更多 “多选题Your database is running in the ARCHIVELOG mode. You have configured RMAN for backup and recovery operations. You execute the following command from the RMAN prompt:   RMAN CONFIGURE CONTROLFILE AUTOBACKUP ON;   After executing this command, in which of the following cases will RMAN make an auto-backup of the control file? ()Awhen you change the name of a datafileBwhen you drop a table from the databaseCwhen you take an export of the databaseDwhen you back up the database using OS utilitiesEwhen you issue an ALTER SYSTEM SWITCH LOGFILE statementFwhen you issue a BACKUP command from inside the RMAN run block” 相关考题
考题 Your multitenant container database (CDB) is running in ARCHIVELOG mode. You connect to the CDB RMAN.Examine the following command and its output:You execute the following command:RMAN BACKUP DATABASE PLUS ARCHIVELOG;Which data files will be backed up?()A. Data files that belong to only the root containerB. Data files that belong to the root container and all the pluggable databases (PDBs)C. Data files that belong to only the root container and PDB$SEEDD. Data files that belong to the root container and all the PDBs excluding PDB$SEED

考题 Your database is running in ARCHIVELOG mode. The SCOTT.EMP table belongs to the DATA1 tablespace. The junior DBA erroneously runs a script that executes the following statement:   SQL DROP TABLE SCOTT.EMP PURGE;   After one hour, you are performing the user managed incomplete recovery. Which datafiles will you restore from the last full backup?()A、 the datafiles associated with the SYSTEM tablespaceB、 the datafiles associated to the DATA1 tablespaceC、 the datafiles associated to the SYSTEM and DATA1 tablespacesD、 all the datafiles in the database

考题 Your production database is running in the ARCHIVELOG mode and the ARCn process is functional. You have two online redo log groups. Which three background processes would be involved when a log switch happens? ()A、archivalB、log writerC、database writerD、system monitorE、process monitorF、change tracking writer

考题 Your Certkiller .com database is in ARCHIVELOG mode. The data file that belongs to the SYSTEMtablespacehas become corrupted. Up to what point can you recover the database?()A、Until last commitB、Until the time you perform recoveryC、Until the time the date file got corruptedD、Until the point where the last transaction begunE、You cannot recover the SYSTEMtablespaceand must re-create the database.

考题 Which two statements are true regarding the database in ARCHIVELOG mode?()A、You have to shut down the database to perform the backups.B、Archiving information is written to the data files and redo log files.C、You can perform complete database backups without closing the database.D、Online redo log files have to be multiplexed before putting the database in ARCHIVELOG mode.E、All the previous database backups become invalid after you configure the database to ARCHIVELOG mode.

考题 Your test database is running in NOARCHIVELOG mode. Which statement is true regarding the type ofbackups that can be performed on the database()A、You can perform online whole database backups.B、You can performofflinewhole database backups.C、You cannot perform schema-level export/import operations.D、You can perform the backup of only the SYSTEM tablespace when the database is open.

考题 Your Supportcenter.cn database is in ARCHIVELOG mode. The data file that belongs to the SYSTEM tablespace has become corrupted. Up to what point can you recover the database?()A、Until last commitB、Until the time you perform recoveryC、Until the time the date file got corruptedD、Until the point where the last transaction begunE、You cannot recover the SYSTEMtablespaceand must re-create the database.

考题 Your database is running in the ARCHIVELOG mode. You have configured RMAN for backup and recovery operations. You execute the following command from the RMAN prompt:   RMAN CONFIGURE CONTROLFILE AUTOBACKUP ON;   After executing this command, in which of the following cases will RMAN make an auto-backup of the control file? ()A、 when you change the name of a datafileB、 when you drop a table from the databaseC、 when you take an export of the databaseD、 when you back up the database using OS utilitiesE、 when you issue an ALTER SYSTEM SWITCH LOGFILE statementF、 when you issue a BACKUP command from inside the RMAN run block

考题 Your database is in ARCHIVELOG mode. You have two online redo log groups,each of which contains one redo member.  When you attempt to start the database, you receive the following errors:()A、 ALTER DATABASE DROP LOGFILE GROUP 1B、 ALTER DATABASE CLEAR LOGFILE GROUP 1C、 ALTER DATABASE CLEAR UNARCHIVED LOGFILE GROUP 1D、 ALTER DATABASE DROP LOGFILE MEMBER ’D:///REDO01.LOG’

考题 You configured the Flash Recovery Area (FRA) for your database. The database instance is runningin ARCHIVELOG mode. The default location for the archived redo log files is the Flash Recovery Area.  Which two files are removed automaticallyif the space is required in the FRA as per the retention policy()A、flashback log filesB、backups that have become obsoleteC、copies of the data files and control filesD、archived redo log files that have multiple copies in a different archive location and not backed up

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 Your database is in ARCHIVELOG mode. You lost an index tablespace due to a disk failure while the database was open. You have neither a backup of the lost index tablespace nor the scripts containing the CREATE INDEX statements to recreate the indexes. Currently, several users are executing long-running queries on the database. What will happen to the ongoing activity in the database?()A、 The queries that are currently executing will abort and an error message will be returned to the user.B、 The queries that are currently executing will execute normally but future queries will not executed.C、 Data Manipulation Language (DML) statements cannot be performed on the tables on which the indexes are based.D、 The currently executing and future queries will execute normally, but will be slower

考题 You are maintaining your database in Oracle10g. You perform a full user-managed backup every Sunday at 8:00 P.M. Your database is running in ARCHIVELOG mode. On Monday, at 9:00 A.M., a tablespace is dropped. You decide to perform incomplete recovery to recover the dropped tablespace.  Which two clauses can you use with the RECOVER command?()A、 UNTIL SEQUENCEB、 UNTIL SCNC、 UNTIL CHANGED、 UNTIL CANCEL

考题 Your test database is running in NOARCHIVELOG mode. What are the implications of this? ()A、You can perform open database backups.B、You can perform closed database backups.C、You cannot perform schema-level logical backups.D、You can perform the backup of only the SYSTEM tablespace when the database is open.

考题 多选题In order to perform Flashback Transaction Query operations, which of these steps are required?()AEnsure that database is running with version 10.1 compatibility.BEnable Flashback Logging.CEnable Supplemental Logging.DEnsure that the database is running with version 10.0 compatibility.EEnsure that the database is in ARCHIVELOG mode.

考题 单选题Your database is in ARCHIVELOG mode. You have two online redo log groups,each of which contains one redo member.  When you attempt to start the database, you receive the following errors:()A  ALTER DATABASE DROP LOGFILE GROUP 1B  ALTER DATABASE CLEAR LOGFILE GROUP 1C  ALTER DATABASE CLEAR UNARCHIVED LOGFILE GROUP 1D  ALTER DATABASE DROP LOGFILE MEMBER ’D:///REDO01.LOG’

考题 单选题Your database is in ARCHIVELOG mode. You lost an index tablespace due to a disk failure while the database was open. You have neither a backup of the lost index tablespace nor the scripts containing the CREATE INDEX statements to recreate the indexes. Currently, several users are executing long-running queries on the database. What will happen to the ongoing activity in the database?()A  The queries that are currently executing will abort and an error message will be returned to the user.B  The queries that are currently executing will execute normally but future queries will not executed.C  Data Manipulation Language (DML) statements cannot be performed on the tables on which the indexes are based.D  The currently executing and future queries will execute normally, but will be slower

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 多选题Your database is running in NOARCHIVELOG mode. You want to put the database in ARCHIVELOG mode. Which two statements regarding archive log destinations are true?()AThe destination must be global only.BA maximum of five destinations can be assigned.CA maximum of ten different destinations can be assigned.DAll the destinations are determined by the server automatically.EThe destination may be local or remote for a Standby Database.FThe destination can be changed by setting the LOG_ARCHIVE_FORMAT initialization parameter.

考题 多选题Which two statements are true regarding the database in ARCHIVELOG mode?()AYou have to shut down the database to perform the backups.BArchiving information is written to the data files and redo log files.CYou can perform complete database backups without closing the database.DOnline redo log files have to be multiplexed before putting the database in ARCHIVELOG mode.EAll the previous database backups become invalid after you configure the database to ARCHIVELOG mode.

考题 单选题You have performed the first step in placing your database into ARCHIVELOG mode. The second step is deciding whether the online redo log files are to be archived automatically or manually.  Which action should you take to enable archiving at instance startup?()A AB BC CD D

考题 单选题Your Certkiller .com database is in ARCHIVELOG mode. The data file that belongs to the SYSTEMtablespacehas become corrupted. Up to what point can you recover the database?()A Until last commitB Until the time you perform recoveryC Until the time the date file got corruptedD Until the point where the last transaction begunE You cannot recover the SYSTEMtablespaceand must re-create the database.

考题 多选题You are maintaining a database that is in ARCHIVELOG mode. You have configured the flash recovery area in your database. The database is in MOUNT EXCLUSIVE mode, and you want to configure the Flashback Database feature. Which two options are NOT required to configure the Flashback Database feature? ()AOpen the database in read-only mode.BSet the retention target with the DB_FLASHBACK_RETENTION_TARGET initialization parameter.CEnable the block change tracking feature.DExecute the ALTER DATABASE FLASHBACK ON statement.

考题 多选题You work as a database administrator for Certkiller .com. Your database is opened in NOARCHIVEKLOG mode. You decide to place the database in ARCHIVELOG mode.  How would you do this?()AExecute the ALTER DATABASE ARCHIVELOG statementBSelect ARCHIVELOG option in the database control and restart the database to apply the changes.CShut down and start the instance, and in the NOMOUNT state execute the ALTER DATABASE ARCHIVELOG statement.DShut down and start the instance, mount the database, then execute the ALTER DATABASE ARCHIVELOG statement.

考题 单选题Your multitenant container database (CDB) is running in ARCHIVELOG mode. You connect to the CDB RMAN. Examine the following command and its output: You execute the following command: RMAN BACKUP DATABASE PLUS ARCHIVELOG; Which data files will be backed up?()A Data files that belong to only the root containerB Data files that belong to the root container and all the pluggable databases (PDBs)C Data files that belong to only the root container and PDB$SEEDD Data files that belong to the root container and all the PDBs excluding PDB$SEED

考题 多选题Your production database is running in the ARCHIVELOG mode and the ARCn process is functional. You have two online redo log groups. Which three background processes would be involved when a log switch happens? ()AarchivalBlog writerCdatabase writerDsystem monitorEprocess monitorFchange tracking writer

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 多选题Your database is running in the ARCHIVELOG mode. You have configured RMAN for backup and recovery operations. You execute the following command from the RMAN prompt:   RMAN CONFIGURE CONTROLFILE AUTOBACKUP ON;   After executing this command, in which of the following cases will RMAN make an auto-backup of the control file? ()Awhen you change the name of a datafileBwhen you drop a table from the databaseCwhen you take an export of the databaseDwhen you back up the database using OS utilitiesEwhen you issue an ALTER SYSTEM SWITCH LOGFILE statementFwhen you issue a BACKUP command from inside the RMAN run block