单项选择题 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 is managed by you. The security requirements should be designed for a new database application, and the application will be deployed to the instance. A table is consisted by the new database, and the table is created by utilizing the following code segment:  Since you are the technical support, you should utilize the maximum secure method to protect the BonusPlan column from the access of unauthorized users.   Which action will you perform to finish the task?（）

单项选择题 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 is managed by you. The security requirements should be designed for a new database application. A code segment is utilized by the application, and the code segment includes the following components: A method that the registry is accessed on the SQL Server, a method that the file system is accessed on a network file server, and a class definition that public static fields are utilized. SQL CLR integration is utilized by the code segment, and the code segment is implemented as a single assembly. Since you are the technical support, you are required to make sure that the application should be successfully deployed to the instance.    Which action will you perform?（）

单项选择题 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 infrastructure is managed by you. A maintenance strategy should be designed for a mission-critical database, and a large table named Orders is contained by the database. Index maintenance operations are contained in the design plan. When you design the strategy, the facts listed below should be taken into consideration. First, the users continuously access to the Orders table in the database. Secondly, a column of the xml data type is contained by Orders table.  Thirdly, the new rows are regularly added to the Orders table. Fourthly, the average fragmentation for the clustered index of the Orders table is no more than 2 percent.    A strategy should be designed to have the performance of the queries on the table optimized.    Which action will you perform?（）