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多选题You are working on a database that must be functioning 24 hours a day， 7 days a week. The databaseis configured in ARCHIVELOG mode.  Which two options do you have for performing user-managed backups（）AYou can perform consistent backups only.BYou can pe

题目
多选题
You are working on a database that must be functioning 24 hours a day， 7 days a week. The databaseis configured in ARCHIVELOG mode.  Which two options do you have for performing user-managed backups（）
A

You can perform consistent backups only.

B

You can perform a complete database backup without shutting down the database instance.

C

You can back up data files only when all data files have the same SCN recorded in the control file.

D

You can back up only those data files whose headers are frozen by using ALTER TABLESPACE BEGINBACKUP or ALTER DATABASE BEGIN BACKUP commands.

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相似问题和答案

第1题：

You need to perform a block media recovery on the tools01.dbf data file in the SALES database by using Recovery Manager (RMAN). Which two are the prerequisites to perform this operation? （）(Choose two)

  • A、You must configure block change tracking file
  • B、You must have first level 1 backups for RMAN to restore blocks
  • C、You must ensure that the SALES database is mounted or open
  • D、You must have full or level 0 backups for RMAN to restore blocks
  • E、You must take the tools01.dbf data file offline before you start a block media recovery

正确答案:C,D

第2题：

You are managing an Oracle Database 11g database. You configured the database to run in ARCHIVELOGmode.  Which two statements are true in this scenario（）

  • A、You must shut down the database instance to perform the backups.
  • B、You must configure the Flash Recovery Area （FRA） for the database.
  • C、You can perform complete database backups without closing the database.
  • D、All the previous closed database backups including control files become invalid after you configure thedatabase to ARCHIVELOG mode.

正确答案:C,D

第3题：

You are working on a 24X7 database. You want to design a backup strategy for your database that uses user managed backups. You want to be able to perform all backups while the database remains online. Which statement about performing user-managed backups in a 24x7 environment is true?（）

  • A、You must have change tracking enabled in your database
  • B、Your database must be running in NOARCHIVELOG mode
  • C、To back up a tablespace, it must be in backup mode
  • D、To back up a tablespace, it must first be taken offline

正确答案:C

第4题：

You are managing an Oracle Database 11g database. You configured the database to run inARCHIVELOG mode.  Which two statements are true in this scenario（）

  • A、You must shut down the database instance to perform the backups.
  • B、You must configure the Flash Recovery Area （FRA） for the database.
  • C、You can perform complete database backups without closing the database.
  • D、All the previous closed database backups including control files become invalid after you configure thedatabase to ARCHIVELOG mode.

正确答案:C,D

第5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.

正确答案:B

第6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.

正确答案:C,E

第7题：

You are managing a 24*7 database. The backup strategy for the database is to perform user-managedbackups.Identify two prerequisites to perform the backups. (Choose two.)（）

  • A、The database must be opened in restricted mode.
  • B、The database must be configured to run in ARCHIVELOG mode.
  • C、The tablespaces are required to be in backup mode before taking the backup.
  • D、The tablespaces are required to be in read-only mode before taking the backup

正确答案:B,C

第8题：

Management has decided that the database must be available 24 hours a day， 7 days a week. Given this requirement， which type of backup is required？（）

  • A、user-managed backups.
  • B、partial database backups.
  • C、consistent database backups.
  • D、inconsistent database backups.

正确答案:C

第9题：

You are working on a database that must be functioning 24 hours a day， 7 days a week. The databaseis configured in ARCHIVELOG mode.  Which two options do you have for performing user-managed backups（）

  • A、You can perform consistent backups only.
  • B、You can perform a complete database backup without shutting down the database instance.
  • C、You can back up data files only when all data files have the same SCN recorded in the control file.
  • D、You can back up only those data files whose headers are frozen by using ALTER TABLESPACE BEGINBACKUP or ALTER DATABASE BEGIN BACKUP commands.

正确答案:B,D

第10题：

You are managing a 24*7 database. The backup strategy for the database is to perform user-managed backups. Identify two prerequisites to perform the backups.（）

  • A、The database must be opened in restricted mode.
  • B、The database must be configured to run in ARCHIVELOG mode.
  • C、The tablespaces are required to be in backup mode before taking the backup.
  • D、The tablespaces are required to be in read-only mode before taking the backup

正确答案:B,C

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