單項選擇題

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. On two cluster-ready nodes, you intend to perform an installation of a SQL Server 2008 mission-critical cluster. Constant availability is needed by the mission-critical cluster. You have to configure the SQL Server cluster to failover and reduce the service disruption to the least. Which failover option should you use?（）

A.You should allow failback only during non-business hours
B.You should immediately allow failback
C.You should prevent automatic failback
D.You should allow failback only during business hours

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單項選擇題

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 report which is often executed during business time. There is a stored procedure that is used as the data source for the report. You get a report from users saying that they receive the data returned by the report but the data is inconsistent. As the technical support, you check and find that phantom reads cause this problem. You must make sure that consistent data is returned by the report while not affecting other users. So what action should you perform to achieve this goal?（）

A.You should configure the database for Read Committed Snapshot isolation.
B.You should modify the stored procedure to use the Snapshot isolation level
C.You should configure the database for Auto Update Statistics asynchronously
D.You should modify the stored procedure to use the Repeatable Read isolation level

單項選擇題

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. Now according to the company requirement, you are designing a consolidated repository of performance data. You must make sure that the four requirements below are met: the data collector is used to gather performance information; a single database stores performance information for all instances; performance information that is older than 15 days is deleted; reduce the administrative effort to manage performance to the least. So what action should you perform to achieve this goal? （）

A.You should create a SQL Agent job process on each instance to store and delete performance data in a single database for all instances.
B.You should configure a management data warehouse process on each instance, then use this process to store and delete performance data in a single database for all instances.
C.You should configure an automated server-side trace process on each instance, then use this process to store and delete performance data in a single database for all instances.
D.You should create and schedule a single Microsoft SQL Service Integration Services (SSIS) package process, then use this process to store and delete performance data in a single database for all instances.