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

外用内服均具有收敛止血功效的药物是（）

A、白矾

B、雄黄

C、降香

D、蜂房

E、硫黄

治疗脘腹或四肢挛急作痛，芍药应配伍的药物是（）

A、甘草

B、大枣

C、党参

D、山药

E、白术

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 stored procedure. The stored procedure implements a database maintenance process. A SQL Server Agent job should be created to that runs the stored procedure. Besides this， you must make sure that after it is completed successfully， the job is removed.  What should you do？ （）

A、You should create a job which is assigned to the Database Maintenance category

B、You should create an Alert which will run another to delete the maintenance job.

C、You should create a job. You schedule the job to run only once.

D、You should create a job. The job uses the Automatically delete job option

川贝母与浙贝母均具有的功效是（）

A、清肺养阴止咳

B、温肺化痰止咳

C、泻肺化痰止咳

D、燥湿化痰止咳

E、清热化痰止咳

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 DB01 in the instance. The company CIO wants all the application developers can capture traces to troubleshoot the application that uses the database DB1， and they can perform this by using SQL Server Profiler. But they have to be given as little permission as possible. The company CIO assigns this task to you.  So what action should you perform to achieve this goal？（）  

A、All the SQL Server logins of the application developers have to be added to a fixed server role. 

B、All the database users of the application developers have to be added to a fixed database role 

C、All SQL Server logins of the application developers should be given the appropriate server-level permissions. 

D、All database users of the application developers should be given the appropriate database-level permissions.