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

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. 

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 which is named Instance01. Instance01 contains a database which is named SellingHelp. There isthe Products table in the SellingHelp database. Now according to the company requirement, the Products table has to be replicated to the SQL Server instances installed in laptopscomputers. You have to create a Replication topology to perform this. The Products table is updated from Instance01 when the laptops reconnect to the corporate network. The Products table on Instance01 is frequently updated between reconnections. You must make sure that you can implement the Replication topology along with the Subscription type successfully and meanwhile reduce the bandwidth usage to the least.  So what action should you perform to achieve this goal?（）  

A、You should implement the Snapshot Replication topology along with a Push Subscription. 

B、You should implement the Merge Replication topology along with a Pull Subscription. 

C、You should implement the Snapshot Replication topology along with a Pull Subscription. 

D、You should implement the Transactional Replication topology along with a Pull Subscription

能润肠通便的药物是（）

A、杏仁、苏子

B、桃仁、红花

C、麻仁、酸枣仁

D、决明子、莱菔子

E、白芥子、郁李仁

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