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单选题
You need to recover five data files that are spread across multiple disks. Which initialization parameter should you set to speed up redo application？（）
A
RECOVERY_PARALLELISM
B
FAST_START_MTTR_TARGET
C
LOG_CHECKPOINT_INTERVAL
D
FAST_START_PARALLEL_ROLLBACK
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Which two statements correctly describe the relation between a data file and the logical databasestructures（）A、An extent cannot spread across data files.B、A segment cannot spread across data files.C、A data file can belong to only one tablespace.D、A data file can have only one segment created in it.E、A data block can spread across multiple data files as it can consist of multiple operating system （OS） blocks.
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You work as a database administrator for Certkiller .com. Your database is in NOARCHIVELOG mode. The database has been configured with three redo logs groups， and there have been five log switches. You lost one non-system-critical data file from your database. Which method would you use to recover the data file？（）A、Restore all the data files and open the databaseB、Create the data file and performtablespacerecoveryC、No need to restore any file， just recover the databaseD、Restore only the system data file and recover the databaseE、Restore only lost date file and performtablespacerecovery
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You are maintaining your database in Oracle10g. You have set the value of the STATISTICS_LEVEL initialization parameter to TYPICAL and the value of the FAST_START_MTTR_TARGET parameter to 900 seconds. To increase the performance of the database， you want to determine the log file size that should equal the minimum size of all the online redo log files. Which column will enable you to perform the desired task？（）A、 the WRITES_LOGFILE_SIZE column of the V$INSTANCE_RECOVERY viewB、 the column of the V$INSTANCE_RECOVERY viewC、 the OPTIMAL_LOGFILE_SIZE column of the V$INSTANCE_RECOVERY viewD、 the LOG_FILE_SIZE_REDO_BLKS column of the V$INSTANCE_RECOVERY view
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You need to recover five data files that are spread across multiple disks. Which initialization parameter should you set to speed up redo application？（）A、RECOVERY_PARALLELISMB、FAST_START_MTTR_TARGETC、LOG_CHECKPOINT_INTERVALD、FAST_START_PARALLEL_ROLLBACK
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You are using Oracle Database 10g. Which statement regarding an incomplete recovery is true？（）A、 You do not need to restore all the data files.B、 You do not need to open the database with the RESETLOGS operationC、 You do not need to perform a full backup after the RESETLOGS operation.D、 You do not need to recover all the data files to the same system change number （SCN）.
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View the Exhibit.You executed the following command to perform a backup of the USERS tablespace： RMAN BACKUP TABLESPACE USERS； Which three types of files are backed up？ （）A、 all the data files belonging to the USERS tablespaceB、 password fileC、 online redo log filesD、 the current control fileE、 archived redo log filesF、 the current server parameter fileG、 data files belonging to the USERS tablespace and all the default tablespaces
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You need to back up the existing data on a computer before you install a new application. You also need to ensure that you are able to recover individual user files that are replaced or deleted during the installation. What should you do？（）A、Create a System Restore point.B、Perform an Automated System Recovery （ASR） backup and restore.C、In the Backup and Restore Center window， click the Back up files button.D、In the Backup and Restore Center window， click the Back up computer button.
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多选题Which files will you need to perform a full recovery of a database backed up in NOARCHIVELOG mode？（）ADatabase datafilesBControl filesCArchived redo logsDOnline redo logsEFlashback logs
考题
单选题You configured automatic archive logging for the database. On the next startup the database runs for a while， but then hangs. After checking the alert log， you determine that all the online redo logs need archiving. Which step was skipped when you set up automatic archive log？（）A
LOG_ARCHIVE_DEST was not set in the parameter file.B
LOG_ARCHIVE_START was not set in the parameter file.C
alter database archivelog； was not executed in MOUNT mode.D
LOG_ARCHIVE_MAX processes were not set in the parameter file.
考题
单选题You are maintaining your database in Oracle10g. You have set the value of the STATISTICS_LEVEL initialization parameter to TYPICAL and the value of the FAST_START_MTTR_TARGET parameter to 900 seconds. To increase the performance of the database， you want to determine the log file size that should equal the minimum size of all the online redo log files. Which column will enable you to perform the desired task？（）A
the WRITES_LOGFILE_SIZE column of the V$INSTANCE_RECOVERY viewB
the column of the V$INSTANCE_RECOVERY viewC
the OPTIMAL_LOGFILE_SIZE column of the V$INSTANCE_RECOVERY viewD
the LOG_FILE_SIZE_REDO_BLKS column of the V$INSTANCE_RECOVERY view
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单选题You work as a database administrator for Supportcenter.cn. Your database is in NOARCHIVELOG mode. The database has been configured with three redo logs groups， and there have been five log switches. You lost one non-system-critical data file from your database. Which method would you use to recover the data file？（）A
Restore all the data files and open the databaseB
Create the data file and perform tablespace recoveryC
No need to restore any file， just recover the databaseD
Restore only the system data file and recover the databaseE
Restore only lost date file and performtablespacerecovery
考题
单选题You need to back up the existing data on a computer before you install a new application. You also need to ensure that you are able to recover individual user files that are replaced or deleted during the installation. What should you do？（）A
Create a System Restore point.B
Perform an Automated System Recovery （ASR） backup and restore.C
In the Backup and Restore Center window， click the Back up files button.D
In the Backup and Restore Center window， click the Back up computer button.
考题
单选题You are using Oracle Database 10g. Which statement regarding an incomplete recovery is true？（）A
You do not need to restore all the data files.B
You do not need to open the database with the RESETLOGS operationC
You do not need to perform a full backup after the RESETLOGS operation.D
You do not need to recover all the data files to the same system change number （SCN）.
考题
单选题Your database is set in NOARCHIVELOG mode and is backed up every night. There are 10 redo log groups on the database， each with three members， making a total of 30 redo log files. At lunchtime the server unexpectedly gets shut down. Upon restarting you notice that the data file belonging to the SYSTEM tablespace has become corrupted. You also notice that there have been 15 log switches during the day. Which solution should you use to recover as much committed data as possible？（）A
Restore the data file for the SYSTEM tablespace then open the database. B
Restore all redo logs form last night's backup, then restart the database. C
Perform a complete restore of all files from last night's backup. Data entered into the database today must be reentered. D
Mount the instance, take the SYSTEM tablespace offline, open the database, and then restore the data file, recover it, and bring the tablespace online.
考题
单选题The database is being restored from a closed backup. The data files， control files， password file， and parameter file are available， but the online redo logs are not. Because the online redo logs are not available， you must simulate recovery and alter the database open with the reset logs option so the online redo logs are created while the database opens. Which type of recover is used in this situation？（）A
until SCNB
until timeC
until cancelD
using backup control file
考题
单选题You are developing an ASP.NET Web application. The application must pass an object that contains user-specific data between multiple pages. The object ismore than 100 KB in size when serialized.You need to minimize the amount of data is sent to the user. What should you do？（）A
Pass the object data in a hidden field.B
Store the object instance in a session variable.C
Use a cookie that contains the object data.D
Encode the object data and pass it in a query string parameter.
考题
单选题You are maintaining your database in Oracle10g. You have set the value of the STATISTICS_LEVEL initialization parameter to TYPICAL and the value of the FAST_START_MTTR_TARGET parameter to 900 seconds. To increase the performance of the database， you want to determine the optimal size of the online redo log files. Which tool enables you to determine the optimal size of the online redo log files？（）A
Oracle Enterprise ManagerB
The V$LOG viewC
The V$LOGFILE viewD
The V$FLASHBACK_DATABASE_LOGS view
考题
单选题You have an Exchange Server 2010 Mailbox server that contains multiple mailbox databases.You need to ensure that you receive an e-mail alert if the volume that contains the mailbox database files has less than 25 percent of free space. What should you do？（）A
Create a new Data Collector Set.B
Create a new Event Viewer Subscription.C
Attach a new task to the Application event log.D
Modify the properties of the mailbox database objects.
考题
单选题You lost the PRODSTD tablespace， which was read/write. The tablespace was read-only when the last backup was performed. How would you recover the tablespace？（）A
restore the tablespace from the backup； there is no need to apply the redo informationB
restore the full database to recover the data up to the point when you performed the backupC
restore the tablespace from the backup and then perform a recovery using the backup control fileD
restore the tablespace from the backup and then recover the tablespace； all the redo information from the point when the tablespace was made read/write is applied
考题
多选题Which two statements correctly describe the relation between a data file and the logical database structures（）AAn extent cannot spread across data files.BA segment cannot spread across data files.CA data file can belong to only one tablespace.DA data file can have only one segment created in it.EA data block can spread across multiple data files as it can consist of multiple operating system （OS）blocks
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