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单选题
You want to back up your 100-GB database on a remote tape device. You are required to ensure that minimum network bandwidth is consumed while transferring the backups to the tape device. The current consumption of your CPU is approximately 40 percent.Which type of backup should you perform?（）
A
standard backup set
B
image copy
C
compressed backup
D
user-managed backup
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更多 “单选题You want to back up your 100-GB database on a remote tape device. You are required to ensure that minimum network bandwidth is consumed while transferring the backups to the tape device. The current consumption of your CPU is approximately 40 percent.Which type of backup should you perform?（）A standard backup setB image copyC compressed backupD user-managed backup” 相关考题
考题
You are using Recovery Manager (RMAN) with a recovery catalog to back up your production database. The backups and the archived redo log files are copied to a tape drive on a daily basis. Because of media failure, you lost your production database completely along with the recovery catalog database. You want to recover the target database and make it functional. You consider performing the following steps to accomplish the task:Which option illustrates the correct sequence that you must use?（）A. 8, 1, 3, 2, 4, 5, 7, 6B. 1, 8, 3, 4, 2, 5, 7, 6C. 1, 3, 4, 2, 8, 5, 6, 7D. 1, 3, 2, 4, 6, 5, 7, 8
考题
You are the administrator of a SQL Server 2000 computer. The server contains your company's order processing database. Two-hundred operators take orders by telephone 24 hours a day. Threehundred data entry personnel enter data from orders received by mail.To ensure that order data will not be lost, your company's disaster recovery policy requires that backups be written to tape. Copies of these tapes must be stored at an off-site company location. Orders must be entered into the database before they can be filled. If the server fails, you must be able to recover the order data as quickly as possible.You need to create a backup strategy that meets the company requirements and minimizes server workload. Which two actions should you take? (Each correct answer represents part of the solution. Choose two.)A．Perform. a combination of full database and filegroup backups.B．Perform. a combination of full database and file backups.C．Perform. a combination of full database, differential, and transaction log backups.D．Back up the data to a local tape drive.E．Back up the data to a network share, and then use enterprise backup software to write the disk backups to tape.
考题
Your database is in NOARCHIVELOG mode. You start to do a backup， but your users complain that they dont want you to shut down the database to perform the backup. What options are available to you？（） A、 Put the database in hot backup mode and perform an online backup，including backing up the archived redo logs.B、 Just back up the database datafiles without shutting down the database.C、 You will have to wait until you can shut down the database to perform the backup.D、 Mark each datafile as backup in progress， back them up individually，and then mark them as backup not in progress. No archived redo logs will need to be backed up.E、 Only back up the datafiles that the user will not be touching. Once the user has finished what they were doing，you can shut down the database and back up the datafiles the user changed during the course of the remaining backup
考题
As soon as you discover that you have lost an online redo log， if the database is still functioning， what should be your first action？（） A、 Shut down the databaseB、 Clear the online redo logC、 Back up the databaseD、 Checkpoint the databaseE、 Call Oracle support
考题
You have been recently hired as a database administrator. Your senior manager asks you to study the production database server and submit a report on the settings done by the previous DBA. While observing the server settings， you find that the following parameter has been set in the parameter file of the database： REMOTE_OS_AUTHENT = TRUE What could have been the reason to set this parameter as TRUE？（）A、to enable operating system authentication for a remote clientB、to restrict the scope of administration to identical operating systemsC、to allow the start up and shut down of the database from a remote clientD、to enable the administration of the operating system from a remote clientE、to disable the administration of the operating system from a remote client
考题
If you back up a database without connecting to the recovery catalog， which operations will cause the recovery catalog to be updated？（）A、 The next time you back up the database when you are also connected to the recovery catalog and the target databaseB、 The next time you are connected to the target database and the recovery catalog database and issue the resync commandC、 The next time you connect RMAN to just the recovery catalogD、 The next time you connect to the recovery catalog and the target database with RMANE、 Connecting to the recovery catalog and issuing the resync all databases command
考题
You are maintaining your database in Oracle10g. While performing an incremental backup of the database， you want to back uponly those blocks that have changed since the last backup. Which file will you create to increase the performance of the backup operation while performing the incremental backup of the database？（）A、 redo log filesB、 password fileC、 control fileD、 change tracking file
考题
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
考题
Flashback Database is enabled in your Oracle 10g database. One of your database users erroneously purged an important table residing in his schema. The table was purged sometime between 10：00 P.M. and 10：30 P.M. The next day， you decide to flash back the database. Before you flash back the database， you want to ensure that you have all the necessary flashback data. Which dynamic performance view must you use to determine whether you have the required flashback data to recover the purged table？（）A、 V$DATABASEB、 V$UNDOSTATC、 V$FLASHBACK_DATABASE_LOGD、 V$FLASHBACK_DATABASE_STAT
考题
You want to perform a backup of your database to tape. Which backup format can you use？（）A、backup set onlyB、image copy onlyC、only user-managed backupD、both image copy and backup setE、only incremental image copy backup
考题
You have a file server named Server1 that runs Windows Server 2003 Service Pack 2 (SP2). You need to implement a backup schedule on Server1 to meet the following requirements: ·Everyday, back up all files and folders to disk. ·Every Friday, back up all files and folders to tape. ·Every Sunday, Tuesday, and Thursday, back up only the files and folders that have changed since the previous Friday’s backup to tape. Which backup jobs should you create? （）A、·a normal backup to disk everyday ·a normal backup to tape on Friday ·a differential backup to tape on Sunday, Tuesday, and ThursdayB、·a normal backup to disk everyday ·a normal backup to tape on Friday ·an incremental backup to tape on Sunday, Tuesday, and ThursdayC、·a copy backup to disk everyday ·a normal backup to tape on Friday ·a differential backup to tape on Sunday, Tuesday and, ThursdayD、·a copy backup to disk everyday ·a normal backup to tape on Friday ·an incremental backup to tape on Sunday, Tuesday and, Thursday
考题
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.
考题
单选题You have been recently hired as a database administrator. Your senior manager asks you to study the production database server and submit a report on the settings done by the previous DBA. While observing the server settings， you find that the following parameter has been set in the parameter file of the database： REMOTE_OS_AUTHENT = TRUE What could have been the reason to set this parameter as TRUE？（）A
to enable operating system authentication for a remote clientB
to restrict the scope of administration to identical operating systemsC
to allow the start up and shut down of the database from a remote clientD
to enable the administration of the operating system from a remote clientE
to disable the administration of the operating system from a remote client
考题
单选题You want to perform a backup of your database to tape. Which backup format can you use？（）A
backup set onlyB
image copy onlyC
only user-managed backupD
both image copy and backup setE
only incremental image copy backup
考题
单选题You are using Recovery Manager （RMAN） with a recovery catalog to back up your production database. The backups and the archived redo log files are copied to a tape drive on a daily basis. Because of media failure， you lost your production database completely along with the recovery catalog database. You want to recover the target database and make it functional. You could consider performing the following steps to accomplish this task： 1） Restore an autobackup of the server parameter file. 2） Restore the control file. 3） Start the target database Instance. 4） Mount the database. 5） Restore the data files. 6） Open the database with the RESETLOGS option. 7） Recover the data files. 8） Set DBID for the target database Which option illustrates the correct sequence that you must use？（）A
8， 1， 3， 2， 4， 5， 7， 6B
1， 8， 3， 4， 2， 5， 7， 6C
1， 3， 4， 2， 8， 5， 6， 7D
1， 3， 2， 4， 6， 5， 7， 8
考题
单选题You are maintaining your database in Oracle10g. While performing an incremental backup of the database， you want to back uponly those blocks that have changed since the last backup. Which file will you create to increase the performance of the backup operation while performing the incremental backup of the database？（）A
redo log filesB
password fileC
control fileD
change tracking file
考题
单选题You want to back up your 100-GB database on a remote tape device. You are required to ensure that minimum network bandwidth is consumed while transferring the backups to the tape device. The current consumption of your CPU is approximately 40 percent. Which type of backup should you perform？（）A
standard backup setB
image copyC
compressed backupD
user-managed backup
考题
单选题You are using Recovery Manager （RMAN） with a recovery catalog to back up your production database. The backups and the archived redo log files are copied to a tape drive on a daily basis. Because of media failure， you lost your production database completely along with the recovery catalog database. You want to recover the target database and make it functional. You consider performing the following steps to accomplish the task： 1） Restore an autobackup of the server parameter file. 2） Restore the control file 3） Start the target database instance 4） Mount the database 5） Restore the data files 6） Open the database with RESETLOGS option 7） Recover the data files 8） Set DBID for the target database Which option illustrates the correct sequence that you must use？（）A
8， 1， 3， 2， 4， 5， 7， 6B
1， 8， 3， 4， 2， 5， 7， 6C
1， 3， 4， 2， 8， 5， 6， 7D
1， 3， 2， 4， 6， 5， 7， 8
考题
单选题While setting up an Oracle database for one of your critical applications， you want to ensure that the database is backed up at regular intervals without your intervention.What should you do to achieve the objective？（）A
configure the database to run in ARCHIVELOG modeB
configure the Flash Recovery Area to enable automatic database backupC
schedule the database backup using DBMS_JOB package after creating the databaseD
schedule the database backup using Recovery Manager （RMAN）commands after creating the databaseE
schedule the database backup using Database Configuration Assistant （DBCA）while creating the database
考题
单选题You are using recovery Manager (RMAN) with a recovery catalog to backup up your production database. The backups and the archived redo log files are copied to a tape drive on a daily basis. The database was open and transactions were recorded in the redo logs. Because of fire in the building you lost your servers having the production database and the recovery catalog database. The archive log files generated after the last backup are intact on one of the remote locations. While performing a disaster recovery of the production database what is the next step that you must perform after restoring the data files and applying archived redo logs?（）A
Open the database in NORMAL modeB
Open the database in read-only modeC
Open the database in RESTRICTED modeD
Open the database with the RESETLOGS option
考题
单选题You are the network administrator for Company.You install Windows 2000 Professional on your computer at home. Your computer contains threemodems， each connected to a separate phone line. You create a new dial-up connection to connect toCompany’s remote access server. You configure the connection to dial up all three devices. You start thedial-up connection and connect to the remote access server. You notice that only one of the modems isconnected to the remote access server.You want to use as many modems as possible to make a single connection to the remote access server.What should you do？ （）A
Configure the dial-up connection to sue a SLIP connection.B
Configure all three modems to use the same phone line.C
Configure the remote access server to enable multi-link.D
Configure the dial-up connection to only dial two of the three modems.E
Configure the dial-up connection to Enable LCP extensions.
考题
单选题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 databaseB
Your database must be running in NOARCHIVELOG modeC
To back up a tablespace, it must be in backup modeD
To back up a tablespace, it must first be taken offline
考题
单选题You work as a database administrator for Supportcenter.cn. Your database is configured for automatic undo management. UNDO_RETENTION is set to 3 hours. You want to flash back a table that was created last year. How far back can the flashback query go？（）A
3 hoursB
6 monthsC
until last yearD
until last commitE
until the point when the undotablespacewas refreshedF
until the database is shut down and the memory erased
考题
单选题You are using Recovery Manager (RMAN) with a recovery catalog to back up your production database. Thebackups and the archived redo log files are copied to a tape drive on a daily basis. Because of media failure,you lost your production database completely along with the recovery catalog database.You want to recover the target database and make it functional. You consider performing the following steps to accomplish the task: 1) Restore an autobackup of the server parameter file. 2) Restore the control file 3) Start the target database instance 4) Mount the database 5) Restore the data files 6) Open the database with RESETLOGS option 7) Recover the data files 8) Set DBID for the target database Which option illustrates the correct sequence that you must use?（）A
8，1，3，2，4，5，7，6B
1，8，3，4，2，5，7，6C
1，3，4，2，8，5，6，7D
1，3，2，4，6，5，7，8
考题
单选题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 databaseB
Your database must be running in NOARCHIVELOG modeC
To back up a tablespace，it must be in backup modeD
To back up a tablespace，it must first be taken offline
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