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单选题
You perform the following activities during the database upgrade from Oracle Database 10g to Oracle Database 11g: 1. Capture plans for a SQL workload into a SQL Tuning Set (STS) before upgrade. 2. Load these plans from the STS into the SQL plan baseline immediately after the upgrade. What is the reason for performing these activities? （）
A
to minimize plan regression due to the use of a new optimizer version
B
to completely avoid the use of new plans generated by a new optimizer version
C
to prevent plan capturing when the SQL statement is executed after the database upgrade
D
to keep the plan in the plan history so that it can be used when the older version of the optimizer is used
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更多 “单选题You perform the following activities during the database upgrade from Oracle Database 10g to Oracle Database 11g: 1. Capture plans for a SQL workload into a SQL Tuning Set (STS) before upgrade. 2. Load these plans from the STS into the SQL plan baseline immediately after the upgrade. What is the reason for performing these activities? （）A to minimize plan regression due to the use of a new optimizer versionB to completely avoid the use of new plans generated by a new optimizer versionC to prevent plan capturing when the SQL statement is executed after the database upgradeD to keep the plan in the plan history so that it can be used when the older version of the optimizer is used” 相关考题
考题
Which of the following statements is NOT true about RMAN？（）A、It improves usability by enabling you to reuse the scripts to perform recovery operations.B、It detects block corruption while restoration and recovery operations.C、It enables you to perform block media recovery.D、It is capable to recover through unrecoverable operations， with only full database backups.
考题
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.
考题
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.
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
Which of the following restrictions are not true with respect to tablespace point-in-time recovery？（）A、 The target database must be in NOARCHIVELOG mode.B、 No backup is required of the database before you perform a TSPITR.C、 You must have all archived redo logs generated since the last backup up to the point to which you want to restore the transport set.D、 If you rename a tablespace， you can not perform a TSPITR to any point in time before that rename operation occurred.E、 If you have tables in tablespace_1 that have associated constraints in tablespace_2，then you must transport both tablespaces.
考题
In your database， all the tablespaces are locally managed. You started Recovery Manager （RMAN） using recovery catalog and restored the control file by using the following command： RMAN RESTORE CONTROLFILE; Which two operations do you need to perform after restoring the control file from backup？（）A、shut down and restart the instanceB、add new tempfiles to the temporary tablespaces after recoveryC、perform a media recovery and open the database with the RESETLOGS optionD、perform a media recovery and bring the database to NOARCHIVELOG mode
考题
you can perform an active database duplication when the database is in NOARCHIVELOG mode.（）A、 TrueB、 False
考题
The database is running in the ARCHIVELOG mode. It has three redo log groups with one member each. Oneof the redo log groups has become corrupted. You have issued the following command during the recovery of a damaged redo log file:ALTER DATABASE CLEAR UNARCHIVED LOGFILE GROUP 3; Which action should you perform immediately after using this command?（）A、You should perform a log switchB、You should make a backup of the databaseC、You should switch the database to the NONARCHIVELOG modeD、You should shut down the database instance and perform a complete database recovery
考题
You administer an Oracle Database 10g and a third-party database. You use Recovery Manager （RMAN） to perform backup and recovery operations. You have configured a recovery catalog to act as an RMAN repository. To which of the following databases can you NOT connect using the RMAN CONNECT command？（）A、 target databaseB、 auxiliary databaseC、 third-party databaseD、 recovery catalog database
考题
Your test database is running in NOARCHIVELOG mode. What are the implications of this？ （）A、You can perform open database backups.B、You can perform closed database backups.C、You cannot perform schema-level logical backups.D、You can perform the backup of only the SYSTEM tablespace when the database is open.
考题
You work as a database administrator at Certkiller .com. You are working in an online transaction processing （OLTP） environment. You realize that the salary for an employee， John， has been accidentally modified in the EMPLOYEEStable. Two days ago， the data was in the correct state. Flashback logs generated during last two days are available in the flash recovery area. Which option would you choose to bring the data to the correct state while ensuring that no other data in the same table is affected？（）A、 perform point-in-time recoveryB、 perform a Flashback Table operation to restore the table to the state it was in two days agoC、 perform a Flashback Database operation to restore the database to the state it was in two days agoD、 perform Flashback Versions Query and Flashback Transaction Query to determine all the necessary undo SQL statements， and then use them for recovery
考题
You perform the following activities during the database upgrade from Oracle Database 10g to Oracle Database 11g: 1. Capture plans for a SQL workload into a SQL Tuning Set (STS) before upgrade. 2. Load these plans from the STS into the SQL plan baseline immediately after the upgrade. What is the reason for performing these activities? （）A、to minimize plan regression due to the use of a new optimizer versionB、to completely avoid the use of new plans generated by a new optimizer versionC、to prevent plan capturing when the SQL statement is executed after the database upgradeD、to keep the plan in the plan history so that it can be used when the older version of the optimizer is used
考题
You have lost all your database control files. To recover them， you are going to use the results of the alter database backup controlfile to trace command. Your datafiles and your online redo logs are all intact. Which of the following is true regarding your recovery？（） A、 You will need to open the database with the resetlogs command.B、 All you need to do is execute the trace file from SQL*Plus and it will perform the recovery for you.C、 You will use the resetlogs version of the create controlfile command.D、 You will use the noresetlogs version of the create controlfile command.E、 You will use the trace file to create a backup control file， and then you will recover the database with the recover database using backup controlfile command
考题
You are a professional level SQL Sever 2008 Database Administrator in an international corporation named Wiikigo. You are experienced in managing databases in an enterprise-level organization, optimizing and sustaining the database life cycle. In the company, your job is to implement solutions on security, troubleshooting, deployment and optimization. A SQL Server 2008 instance should be managed by you. The computer on which the instance run has the following three features: a 64-GB RAM, four quad-core processors, and several independent physical raid volumes. A transactional database will be implemented on the instance. In addition, the database should have a high volume of INSERT, UPDATE, and DELETE activities. Creation of new tables is contained by the activities. You need to maximize disk bandwidth and decrease the contention in the storage allocation structures so as to have the performance of the database optimized. Which action will you perform to finish the task?（）A、To finish the task, database and log files should be placed on the same volume.B、To finish the task, the affinity mask option should be configured properly.C、To finish the task, multiple data files should be create for the database. D、To finish the task, the affinity I/O mask option should be configured properly.
考题
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. 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.
考题
单选题You administer a SQL Server 2008 instance. The instance runs on a computer that has the following features: A 64-GB RAM Four quad-core processors Several independent physical raid volumes You plan to implement a transactional database on the instance. The database is expected to have a high volume of INSERT, UPDATE, and DELETE activities. The activities include creation of new tables. You need to optimize the performance of the database by maximizing disk bandwidth and reducing the contention in the storage allocation structures. What should you do?（）A
Create multiple data files for the database.B
Place database and log files on the same volume.C
Configure the affinity mask option appropriately.D
Configure the affinity I/O mask option appropriately.
考题
单选题The database is running in the ARCHIVELOG mode. It has three redo log groups with one member each.One of the redo log groups has become corrupted. You have issued the following command during the recovery of a damaged redo log file: ALTER DATABASE CLEAR UNARCHIVED LOGFILE GROUP 3; Which action should you perform immediately after using this command?（）A
You should perform a log switchB
You should make a backup of the databaseC
You should switch the database to the NONARCHIVELOG modeD
You should shut down the database instance and perform a complete database recovery
考题
单选题You work as a database administrator at Certkiller .com. You are working in an online transaction processing （OLTP） environment. You realize that the salary for an employee， John， has been accidentally modified in the EMPLOYEEStable. Two days ago， the data was in the correct state. Flashback logs generated during last two days are available in the flash recovery area. Which option would you choose to bring the data to the correct state while ensuring that no other data in the same table is affected？（）A
perform point-in-time recoveryB
perform a Flashback Table operation to restore the table to the state it was in two days agoC
perform a Flashback Database operation to restore the database to the state it was in two days agoD
perform Flashback Versions Query and Flashback Transaction Query to determine all the necessary undo SQL statements， and then use them for recovery
考题
单选题An important tablespace of your database is dropped by mistake. You use the Flashback Database feature to retrieve the tablespace. You perform the following steps to retrieve the tablespace： 1. You log on to Enterprise Manager as SYSDBA. 2. You select the maintenance screen. 3. You choose Perform Recovery option on the maintenance screen. 4. You choose Whole Database in the Object Type drop-down list Perform Recovery： Type screen. 5. You choose Recover to Current Time from the Operation Type on the Perform Recovery： Type screen. 6. You provide the Host Credentials for a database user. on the Perform Recovery： Type screen. 7. You click the continue button. An information screen appears saying that the database is unavailable. What is this information screen？（）A
Recovery ManagerB
Recovery WindowC
Recovery WizardD
Enterprise Manager Home Page
考题
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. 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.
考题
单选题While planning to manage more than one database in your system， you perform the following activities： 1. Organize different categories of files into independent subdirectories. 2. Use consistent naming convention for database files. 3. Separate administrative information pertaining to each database. Which option corresponds to the type of activities performed by you？（）A
Oracle Managed FilesB
Oracle Grid ArchitectureC
Optimal Flexible ArchitectureD
Oracle database architecture
考题
单选题In a new installation of Oracle Database 11g， you perform these activities： 1：Organize software and data on different subdirectories to avoid poor performance. 2：Use consistent naming conventions for database files. 3：Separate administrative information pertaining to the database in different directories. Which option corresponds to the type of activities you performed（）A
Oracle Managed FilesB
Oracle Grid ArchitectureC
Optimal Flexible ArchitectureD
Oracle database architectureE
Automatic Storage Management
考题
单选题You executed the following command in Recovery Manager （RMAN）： RMAN RESTORE CONTROLFILE； Which operation must you perform before this command is executed？（）A
back up the control file to traceB
bring database to the MOUNT stateC
open a connection to the RMAN recovery catalog， which contains the RMAN metadata for the target databaseD
set the database ID （DBID）， but only if the DB_NAME parameter associated with the target database is unique in the recovery catalog
考题
单选题To perform a database point-in-time recovery using RMAN， after database restoration， you must ensure that the database is in which of the following states？（）A
OPENB
MOUNTC
NOMOUNTD
CLOSE
考题
单选题The database is running in the ARCHIVELOG mode. It has three redo log groups with one member each. One of the redo log groups has become corrupted. You have issued the following command during the recovery of a damaged redo log file： ALTER DATABASE CLEAR UNARCHIVED LOGFILE GROUP 3； Which action should you perform immediately after using this command？（）A
You should perform a log switchB
You should make a backup of the databaseC
You should switch the database to the NONARCHIVELOG modeD
You should shut down the database instance and perform a complete database recovery
考题
单选题You administer an Oracle Database 10g and a third-party database. You use Recovery Manager （RMAN） to perform backup and recovery operations. You have configured a recovery catalog to act as an RMAN repository. To which of the following databases can you NOT connect using the RMAN CONNECT command？（）A
target databaseB
auxiliary databaseC
third-party databaseD
recovery catalog database
考题
单选题In a new installation of Oracle Database 11g， you perform these activities： 1. Organize software and data on different subdirectories to avoid poor performance. 2. Use consistent naming conventions for database files. 3. Separate administrative information pertaining to the database in different directories. Which optioncorresponds to the type of activities you performed（）A
Oracle Managed FilesB
Oracle Grid ArchitectureC
Optimal Flexible ArchitectureD
Oracle database architectureE
Automatic Storage Management
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