[Free] 2018(Jan) EnsurePass Passguide Oracle 1z0-053 Dumps with VCE and PDF 151-160

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Oracle Database 11g: Administration II

Question No: 151 – (Topic 4)

You issue the following RMAN command to set a retention policy on a database: RMANgt;CONFIGURE RETENTION POLICY TO REDUNDANCY 2;

What will be the outcome of issuing this command?

  1. After two days, a backup will be marked obsolete

  2. After two days, a backup will be deleted from the media

  3. If the RMAN repository has records of two or more recent backups of a file, then older backups will be deleted from the media.

  4. If the RMAN repository has records of two or more recent backups of a file, then older backups will be marked obsolete.

Answer: D

Question No: 152 – (Topic 4)

You issued the following commands to configure setting in RMAN;

RMANgt; CONFIGURE DEVICE TYPE sbt PARALLELISM 1; RMANgt; CONFIGURE DEFAULT DEVICE TYPE TO sbt;

RMANgt; CONFIGURE DATAFILE BACKUP COPIES FOR DEVICE TYPE sbt TO 2; RMANgt; CONFIGURE ARCHIVELOG BACKUP COPIES FOR DEVICE TYPE sbt TO 2; RMANgt; CONFIGURE DATAFILE BACKUP COPIES FOR DEVICE TYPE DISK TO 2;

Then you issued the following command to take the backup: RMANgt; BACKUP DATABASE PLUS ARCHIVELOG;

Which statement is true about the execution of the above command?

  1. The backup will terminate because the FORMAT clause was not configured for the channel

  2. It backs up two copies of data files to tape and disk, and two copies of archived log file on tape

  3. It backs up the data files and archived log files to disk, making two copies of each data file and archived log file

  4. It backs up the data files and archived log files to tape, making two copies of each data file and archived log file

Answer: D

Question No: 153 – (Topic 4)

Examine the following RMAN command:

RMANgt; CONFIGURE ENCRYPTION FOR DATABASE ON; RMANgt; BACKUP DATABASE PLUS ARCHIVELOG;

Which prerequisite must be met before accomplishing the backup?

  1. Provide a password for the encryption

  2. Set up an Oracle wallet for the encryption

  3. No setup is required as it is a default encryption method

  4. Both Oracle wallet and password must be set up for the encryption

Answer: B

Question No: 154 – (Topic 4)

You want to set the following initialization parameters for your database instance:

LOG_ARCHIVE_DEST_1 = #39;LOCATION=/disk1/arch#39; LOG_ARCHIVE_DEST_2 = #39;LOCATION=/disk2/arch#39; LOG_ARCHIVE_DEST_3 = #39;LOACTION=/disk3/arch#39; LOG_ARCHIVE_DEST_4 = #39;LOCATION=/disk4/arch MANDATORY#39;

Identify the statement that correctly describes this setting.

  1. The MANDATORY location must be a flash recovery area.

  2. The optional destinations may not use the flash recovery area.

  3. This setting is not allowed because the first destination is not set as MANDATORY.

  4. The online redo log file is not allowed to be overwritten if the archived log cannot be created in the fourth destination.

Answer: D Explanation: MANDATORY

Specifies that filled online log files must be successfully archived to the destination before they can be reused.

If MANDATORY is not specified, then, by default, the destination is considered to be optional.

At least one destination must succeed, even if all destinations are optional. If archiving to an optional destination fails, the online redo log file is still available for reuse and may be overwritten eventually. However, if the archival operation of a mandatory destination fails, online redo log files cannot be overwritten.

Question No: 155 – (Topic 4)

Which of the following most closely represents an image copy?

  1. Unix cp command of a file

  2. Bit-by-bit copy of a file

  3. Windows COPY command of a file

  4. All of the above

Answer: D

Question No: 156 – (Topic 4)

You configured the default backup device type as disk for RMAN backups. In your database, because of business requirements, you have to take a simultaneous duplicate backup of the data files when the RMAN BACKUP command is used.

What must you set using the RMAN CONFIGURE command to achieve this?

  1. MAXSETSIZE TO 2;

  2. DEVICE TYPE DISK PARALLELISM 2;

  3. RETENTION POLICY TO REDUNDANCY 2;

  4. DATAFILE BACKUP COPIES FOR DEVICE TYPE DISK TO 2;

Answer: D Explanation:

Duplexing Backup Sets with CONFIGURE BACKUP COPIES (Link)

Question No: 157 – (Topic 4)

Which type of backup must be performed first with an incremental backup?

  1. Level 1

  2. Level 0

  3. Level 2

  4. Level 3

Answer: B

Question No: 158 – (Topic 4)

Identify the persistent configuration setting for the target database that can be set for the backup by using RMAN. (Choose all that apply.)

  1. Backup retention policy

  2. Default backup device type

  3. Default destinations for backups

  4. Multiple backup device types for single backup

  5. Default section size for backups

Answer: A,B,C Explanation:

SECTION SIZE cannot be configured through CONFIGURE command.

Question No: 159 – (Topic 4)

What feature comes into play to help ensure the completion of the backup should one of three backup devices fail during a backup that is using three different channels?

  1. Channel failover

  2. Restartable backups

  3. Rescheduable backups

  4. Automatic backup recovery

  5. Channel recovery

Answer: A

Question No: 160 – (Topic 4)

You issue the following command: RMANgt;CONFIGURE BACKUP OPTIMIZATION ON;

What is the result of this command on your backups?

  1. An incremental backup strategy will be used automatically.

  2. Read-only datafiles will not be backed up as long as backups of those files already exist and those backups meet established retention criteria.

  3. RMAN will configure itself for maximum performance at the cost of CPU.

  4. RMAN will configure itself for minimal OS/CPU impact at the cost of time to back up the database.

  5. RMAN will automatically compress backups.

Answer: B

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