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 database solution is managed by you. All data changes are implemented through stored procedures, and only the INSERT, UPDATE, or DELETE statements are utilized by the procedures. A backup strategy should be implemented. The business requirements listed below should be satisfied. Point-in-time recovery for failure is supported by the backup strategy at any time of day. In addition, the least amount of disk space should be utilized by the transaction log.  Which action should 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 infrastructure is managed by you. There are 30 branch offices in DoubleSecurity Insurance, and in the branch offices, customer data are stored in SQL Server 2008 databases. Customer data should be security compliant if it is stored through multiple database instances. You intend to utilize the Policy-Based Management feature to design a strategy for custom policies. And the format of custom policies is XML format. The requirements listed below should be satisfied. The company distributes custom policies to all instances. In addition, the company enforces the policies on all instances. A strategy should be thought out and the minimum amount of administrative effort should be utilized.    Which action should 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 infrastructure is managed by you. After a regular test, you find that performance degradation is experienced by an instance for the three reasons: Excessive CPU usage, Server processes paging and Deadlocks. A monitoring solution should be implemented to provide data, monitor and troubleshoot performance issues. And detailed deadlock information should be contained in the provided data. You should utilize the least amount of administrative effort to finish the task.    Which tool will you utilize to finish the task?（）