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【单选题】

You decide to enable Flashback Database in your Oracle 10g database so that future recoveries will take less time than traditional recoveries. Which of the following parameters must be included in your initialization parameter file before enabling Flashback Database？（）

A、 DB_RECOVERY_FILE_DEST only

B、 DB_FLASHBACK_RETENTION_TARGET only

C、 DB_RECOVERY_FILE_DEST_SIZE and DB_RECOVERY_FILE_DEST only

D、 DB_RECOVERY_FILE_DEST and DB_FLASHBACK_RETENTION_TARGET only

E、 DB_RECOVERY_FILE_DEST_SIZE， DB_RECOVERY_FILE_DEST and

F、 DB_FLASHBACK_RETENTION_TARGET

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更多“You decide to enable Flashback Database in your Oracle 10g database so that future recoveries will take less time than traditional recoveries. Which of the following parameters must be included in your initialization parameter file before enabling Flashback Database？（）”相关的问题
第1题
[单选题] You find that some queries on a table are taking a long time to execute because there are no indexes created on the table. You decide to invoke the SQL Access Advisor to determine the appropriate index to be created. Which package will you use to invoke the SQL Access Advisor？（） 

A、DBMS_SERVER_ALERT  B、DBMS_ADVISOR  C、DBMS_RESOURCE_MANAGER  D、DBMS_REPAIR  

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第2题
[多选题] You noticed that the index tablespace in your database requires a recovery. However， instead of performing a media recovery， you decided to re-create the indexes in a new tablespace. Which two options would you use to reduce the time it takes to re-create the indexes？（）

A、 ONLINE  B、 REVERSE  C、 PARALLEL  D、 COMPRESS  E、 NOLOGGING  F、 COMPUTE STATISTICS  

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第3题
[单选题] Your system performs heavy transaction processing between 8：00 A.M. and 5：00 P.M. but runs batch processing and reports after that. You decide to create a separate resource plan to govern resource allocation for each time period. Which scheduler object will you use to switch automatically between the two resource plans？（）  

A、 Window  B、 Program  C、 Job_Class  D、 Window group  

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第4题
[单选题] 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$DATABASE  B、 V$UNDOSTAT  C、 V$FLASHBACK_DATABASE_LOG  D、 V$FLASHBACK_DATABASE_STAT  

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第5题
[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 inthe instance. You have set the recovery model of DB1 to Full. You deploy a new process. The process modifies 10,000 records from the Accounts table at 18:00 every day. Any modification made by the process to the data must be reverted and database keeps online. You must make sure of this. So&

A、You should implement Differential backup   B、You should implement Database snapshots  C、You should implement Primary filegroup backup   D、You should implement Transaction log backup  

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第6题
[单选题] The company has a Windows 2008 Active Directory-based network.The network contains an Exchange Server 2003 organization.The management instructs you to deploy Exchange Server 2010 in your network.You decide to prepare the schema and domain first.Which of the following commands should you run prior to performing the normal schema and domain preparation？（）

A、Setup /PrepareSchema  B、Setup /PrepareLegacyExchangePermissions  C、Setup /PrepareAD  D、Setup /PrepareLegacyExchangePermissions：child.Xxx  

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第7题
[] You recently activated a resource plan named OLTP_PLAN in your database. Several users are concurrently running long transactions. You decide to monitor the resource manager to determine if the resource allocation formulated in the OLTP_PLAN is sufficient for peak database hours. Which dynamic performance view should you use to display the CPU time consumed by all the sessions within the resource groups？（）  

A、A. V$SYSSTAT  B、B. V$SESSSTAT  C、C. V$RSRC_PLAN  D、D. V$RSRC_CONSUMER_GROUP  

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第8题
[单选题] A system administrator decides to review the system error log after installing new hardware. Which of the following is the correct command to use？（）

A、errpt  B、syslog  C、prtdiag  D、errlogger  

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第9题
[简答题] You are configuring your computer to use both Windows 2000 Professional and Windows 98. Your computer has 3 6GB hard disks, Disk0, Disk1 and Disk2. You want to configure each hard disk to have a 6GB partition. You want to install Windows 98 on Disk0 and Windows 2000 Professional on Disk1. You want to store your project file on Disk2. You want to implement file level security on Disk1. You want to be able to access your project files when using either operating system. What file 

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第10题
[单选题] You are employed as the exchange administrator at Company.com.the Company.com network contains an exchange 2010 organization..you are responsible for managing an exchange mailbox server named -ex05.-ex05 is a member of a database availability group.during routine monitoring you discover that -ex05 has failed.You thus decide to install the os on a new server and name this new server -ex05.you then join the new server to the domain and reinstall exchange server 2010 on -ex05.you receive an instruction from management to en

A、You should consider having the Exchange management tools installed. Thereafter Restore-Computer cmdlet should be run.  B、You should consider running setup /RecoverCMS.  C、You should consider running setup /m：RecoverServer.  D、You should consider having the system state restored from the previous server.  

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