单选题A full backup of your database named DB1 is created automatically at midnight every day. Differential backups of DB1 occur twice each day at 10:00 and at 16:00. A database snapshot is created every day at noon. A developer reports that he accidentally dropped the Pricelist table in DB1 at 12:30. The last update to Pricelist occurred one week ago. You need to recover the Pricelist table. You want to achieve this goal by using the minimum amount of administrative effort. You must also minimize the amount of data that is lost. What should you do?()A Restore the most recent backup into a new database named DB1bak. Apply the most recent differential backup. Copy the Pricelist table from DB1bak to DB1. B Delete all database snapshots except the most recent one. Restore DB1 from the most recent database snapshot. C Recover DB1 from the most recent backup. Apply the most recent differential backup. D Copy the Pricelist table from the most recent database snapshot into DB1.

单选题
A full backup of your database named DB1 is created automatically at midnight every day. Differential backups of DB1 occur twice each day at 10:00 and at 16:00. A database snapshot is created every day at noon. A developer reports that he accidentally dropped the Pricelist table in DB1 at 12:30. The last update to Pricelist occurred one week ago. You need to recover the Pricelist table. You want to achieve this goal by using the minimum amount of administrative effort. You must also minimize the amount of data that is lost. What should you do?()
A

 Restore the most recent backup into a new database named DB1bak. Apply the most recent differential backup. Copy the Pricelist table from DB1bak to DB1. 

B

 Delete all database snapshots except the most recent one. Restore DB1 from the most recent database snapshot. 

C

 Recover DB1 from the most recent backup. Apply the most recent differential backup. 

D

 Copy the Pricelist table from the most recent database snapshot into DB1.


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The size of the largest datafile, data1.dbf, in your database is 30MB. You issued the following command:   RMANCONFIGURE MAXSETSIZE 10MB;     What will be the impact of the above setting?()A、 While performing the backup of the datafile,data1.dbf,one backup set is created.B、 While performing the backup of the datafile,data1.dbf,two backup sets are created.C、 While performing the backup of the datafile,data1.dbf,three backup sets are created.D、 While performing the backup of the datafile,data1.dbf,the command for performing a backup of the datafile,data1.dbf,will fail.

Where can you obtain information about full database backup set created using RMAN, if the control file was used as the repository?()A、V$BACKUPSETB、RC_DATABASEC、V$BACKUP_SETD、RC_BACKUP_SET

Which command will result in a trace file being created with the create controlfile command contained in it?()  A、 alter database backup controlfileB、 alter database backup controlfile to traceC、 alter database controlfile backupD、 alter database controlfile backup to ’/ora01/oracle/ctrl_backup.ctl’E、 alter database begin controlfile backup

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You have an Exchange Server 2010 organization that contains a mailbox database named DB1.You have a backup of DB1.You need to copy a mailbox from the backup to a personal folder (PST) file.The solution must not prevent users on DB1 from accessing their mailboxes.What should you do?()A、Restore the mailbox database to DB1 and then run the Move-Mailbox cmdlet.B、Restore the mailbox database to DB1 and then restore the mailbox.Run the New- MoveRequest cmdlet.C、Restore the mailbox database to a Recovery Mailbox database and then run the Connect- Mailbox cmdlet.D、Restore the mailbox database to a Recovery Mailbox database and then restore the mailbox.Run the Export-Mailbox cmdlet.

You are a database administrator for your company. A database on one of the company’s SQL Server 2005 computers stores transaction information for the company’s Web-based order system. The database is configured to use the full recovery model. Your company receives very few orders between the hours of 19:00 and 04:00. Your maximum acceptable risk for data loss is one hour. Database backups must be performed as quickly as possible. You need to develop a maintenance plan to manage this risk. What should you do?()A、Configure a Back Up Database task to do a full backup of the database every hour.Configure a Check Database Integrity task to run every hour.B、Configure a Back Up Database task to do a full backup of the database every day at 19:00.Configure a second Back Up Database task to do differential backups at 09:00 and 14:00.Configure a third Back Up Database task to do transaction log backups every hour.C、Configure a Back Up Database task to do a full backup of the database every day at 19:00.Configure a second Back Up Database task to do differential backups at 09:00 and 14:00.Configure a Check Database Integrity task to run every hour.D、Configure a Back Up Database task to do a full backup at 09:00 and 14:00.Configure a second Back Up Database task to do transaction log backups every hour.

You work in a company which is named Wiikigo Corp. The company uses SQL Server 2008. You are the administrator of the company database. Now you are in charge of a SQL Server 2008 instance. There is a database named DB1 in the instance. You have set the recovery model of DB1 to Full. At 2:00 There is a full database backup of all the user databases every day. Every quarter the transaction log backup is performed. Every 4 hours a differential backup is occurred. You are going to perform a full backup of DB1 at 11:00. When you perform this back up, you must make sure that the overall backup will not be affected. What';s more, you have to restore procedures for DB1. You must make sure that the backup files are restored in proper sequence.  In the options below, which Transact-SQL statement should you use?()A、BACKUP LOG DB1 TO DISK = apos;t:/backups/db1.trnapos;; B、BACKUP DATABASE DB1 TO DISK = apos;t:/backups/db1.bakapos; WITH DIFFERENTIAL; C、BACKUP DATABASE DB1 TO DISK = apos;t:/backups/db1.bakapos; WITH NOUNLOAD; D、BACKUP DATABASE DB1 TO DISK = apos;t:/backups/db1.bakapos; WITH COPY_ONLY;

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A full backup of your database named DB1 is created automatically at midnight every day. Differential backups of DB1 occur twice each day at 10:00 and at 16:00. A database snapshot is created every day at noon. A developer reports that he accidentally dropped the Pricelist table in DB1 at 12:30. The last update to Pricelist occurred one week ago. You need to recover the Pricelist table. You want to achieve this goal by using the minimum amount of administrative effort. You must also minimize the amount of data that is lost. What should you do?()A、 Restore the most recent backup into a new database named DB1bak. Apply the most recent differential backup. Copy the Pricelist table from DB1bak to DB1. B、 Delete all database snapshots except the most recent one. Restore DB1 from the most recent database snapshot. C、 Recover DB1 from the most recent backup. Apply the most recent differential backup. D、 Copy the Pricelist table from the most recent database snapshot into DB1.

You work in a company which is named Wiikigo Corp. The company uses SQL Server 2008. You are the administrator of the company database. Now you are in charge of a SQL Server 2008 instance. There is a database named DB1 in the instance. At present about 90 GB of data is stored in DB1. You made some rough calculations that every day about 1 GB of data is modified or inserted. You set the recovery model of DB1 to Simple. According to the company requirements, during business hours, data loss of more than 120 minutes worth of transactions is unacceptable. You have to choose a backup strategy which must comply with the following two requirements: Using as little disk space as possible Complying with the company requirements. So what action should you perform to achieve this goal?()  A、A full database backup should be performed once daily. During business hour, a transaction log backup should be performed every two hours. B、A full database backup should be performed once daily C、A full database backup should be performed once daily. During business hours, a differential backup should be performed every two hours D、Perform a full database backup should be performed once every week. A differential backup should be performed once daily. During business hours a transaction log backup should be performed every two hours.

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单选题You work in a company which uses SQL Server 2008. You are the administrator of the company database. Now you are in charge of a SQL Server 2008 Enterprise Edition instance. There is a database named DB1 in the instance. A backup of DB1 is performed every day. You have to minimize the size of the full database backup files of DB1.  In the options below, which Transact-SQL statement should you use? ()ABACKUP DATABASE DB1 TO DISK = apos;t:/backups/db1.bakapos;; BBACKUP DATABASE DB1 TO DISK = apos;t:/backups/db1.bakapos; WITH COMPRESSION; CBACKUP DATABASE DB1 TO DISK = apos;t:/backups/db1.bakapos; WITH DIFFERENTIAL; DBACKUP DATABASE DB1 TO DISK = apos;t:/backups/db1.bakapos; WITH COMPRESSION,DIFFERENTIAL;

单选题A shoot-out has erupted between your MS development teams using .NET and your Linux development teams using Java.  Knowing that your database is in danger,which command would you use to back up your NOARCHIVELOG mode database using RMAN with compression?()A backup database allB backup compressed databaseC backup as compressed backupset databaseD backup as compressed backup database plus archivelog allE backup as compressed backupset database plus compress archivelog all

多选题You are implementing transaction log shipping for a database named DB1 from a server named SQL1 to a server named SQL2. Because DB1 is 100 GB in size, it is too big to transfer over the network in a reasonable amount of time. You need to minimize the impact on the network while you initialize the secondary database. Which two actions should you perform?()ASpecify the simple recovery model for DB1.BSpecify either the full or the bulk-logged recovery model for DB1.CPerform a complete backup of DB1 to portable media. Restore the secondary database from that backup; specify the RECOVERY option.DPerform a complete backup of DB1 to portable media. Restore the secondary database from that backup; specify the STANDBY option.EBefore you activate transaction log shipping to the secondary database, execute the following statement on the primary server.BACKUP LOG DB1 WITH TRUNCATE ONLY

单选题You work in a company which uses SQL Server 2008. You are the administrator of the company database. Now you are in charge of a SQL Server 2008 instance. There is a database named DB1 in the instance. The latest differential backup is performed at 15:30, the full back up was performed at 13:30, and database snapshots were created at 16:30 and at 17:30. The backups and the database snapshots are stored on a different disk from the database files. At 17:05, the hard disk containing the database files fails at 17:02 hours. You must restore DB1 while reduce data loss to the least.  So what action should you perform to achieve this goal? ()AYou should restore the full backup BYou should restore the database snapshot from 16:30 hours. CYou should restore the database snapshot from 17:30 hours DYou should restore both the full backup and the differential backup.

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单选题Every Sunday the Unix system administrator has a job that executes a full backup of the entire Unix system your database is on. Is this backup usable for backup and recovery of your database?()A Yes, if the database is in ARCHIVELOG modeB Yes, if the database is in NOARCHIVELOG modeC No, the backup is not usable in any wayD Only if the ENABLE_ONLINE_BACKUP parameter is set to TRUE

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单选题You work in a company which is named Wiikigo Corp. The company uses SQL Server 2008. You are the administrator of the company database. Now you are in charge of a SQL Server 2008 instance. There is a database named DB1 in the instance. On DB1, quite few logged operations are performed. Now according to the requirement of the company CIO, you must validate that the database can be restored to a specific point in time. So what action should you perform to achieve this goal? ()AYou should verify that the simple recovery model is used by the database.BYou should verify that the full recovery model is used by the database.CYou should verify that the checksum page verify option is used by the database. DYou should verify that the bulk-logged recovery model is used by the database.

多选题Your company uses a mission-critical database named DB1, which is located on a server named SQL1. You want to mirror DB1 on a second server named SQL2. Before you can establish database mirroring, you need to prepare DB1 and the servers for mirroring. Which three actions should you perform?()ASet the recovery model of DB1 on SQL1 to bulk-logged recovery.BSet the recovery model of DB1 on SQL1 to full recovery.CBack up DB1 on SQL1. Restore the backup on SQL2; specify the NORECOVERY option.DBack up DB1 on SQL1. Restore the backup on SQL2; specify the STANDBY option.EBack up DB1 on SQL1. Restore the backup on SQL2; specify the RECOVERY option.FCreate endpoints on all participating servers.GSet the AutoShrink property of DB1 on SQL1 to false.

单选题You work in a company which is named Wiikigo Corp. The company uses SQL Server 2008. You are the administrator of the company database. Now you are in charge of a SQL Server 2008 instance. There is a database named DB1 in the instance. You have set the recovery model of DB1 to Full. At 2:00 There is a full database backup of all the user databases every day. Every quarter the transaction log backup is performed. Every 4 hours a differential backup is occurred. You are going to perform a full backup of DB1 at 11:00. When you perform this back up, you must make sure that the overall backup will not be affected. What';s more, you have to restore procedures for DB1. You must make sure that the backup files are restored in proper sequence.  In the options below, which Transact-SQL statement should you use?()ABACKUP LOG DB1 TO DISK = apos;t:/backups/db1.trnapos;; BBACKUP DATABASE DB1 TO DISK = apos;t:/backups/db1.bakapos; WITH DIFFERENTIAL; CBACKUP DATABASE DB1 TO DISK = apos;t:/backups/db1.bakapos; WITH NOUNLOAD; DBACKUP DATABASE DB1 TO DISK = apos;t:/backups/db1.bakapos; WITH COPY_ONLY;

单选题Which command will result in a trace file being created with the create controlfile command contained in it?()Aalter database backup controlfileBalter database backup controlfile to traceCalter database controlfile backupDalter database controlfile backup to ’/ora01/oracle/ctrl_backup.ctl’Ealter database begin controlfile backup

单选题You network contains an Exchange Server 2010 Mailbox server.You install and configure a third-party antivirus application on the server.You discover that a mailbox database named DB1 does not mount.You attempt to mount the mailbox database and receive an error message starting that the file named E01.log cannot be found.You need to mount DB1.The solution must prevent the antivirus application from causing the same error. What should you do?()ADisable the antivirus application.Restore E01.log from the most recent backup.Run the mount-database DB1 commandBDisable the antivirus application.Restore DB1 from the most recent backup.Run the mount-database DB1 commandCExclude the transaction log folder from the antivirus application scans.Restore E01.log from the antivirus quarentine.Run the mount-database DB1 commandDExclude the transaction log folder from the antivirus application scans.Restore DB1 from the most recent backup.Run the mount-database DB1 command

单选题Where can you obtain information about full database backup set created using RMAN, if the control file was used as the repository?()AV$BACKUPSETBRC_DATABASECV$BACKUP_SETDRC_BACKUP_SET