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最新的 MCTS 70-450 免費考試真題:

1. You are a professional level SQL Sever 2008 Database Administrator.
A database is included by an instance. And a large table named OrderDetails is included by the database. Only DML statements on the last three months data are executed by the application queries. Administrative audits are managed monthly on data which is longer than four months. The performance problems listed below are found by you in the database . The performance of the application queries against the OrderDetail table is poor. It takes a long time to perform the maintenance tasks against the database, index defragmentation is contained.
The performance problems should be solved with on impact on the server performance.
Which action will you perform?

A) An additional table named OrderDetailsHistory should be created for data longer than four months. And then, a SQL Server Agent job that runs the following Transact-SQL statement every month should be created. INSERT INTO OrderDetailsHistory SELECT * FROM OrderDetailsWHERE DATEDIFF(m, OrderDate,GETDATE())>4
B) A database snapshot should be created for the OrderDetails table every four months. And then, the queries should be changed to utilize the present snapshot.
C) An additional table named OrderDetailsHistory should be created for data older than four months. And then, the following Transact-SQL statement should be utilized. CREATE TRIGGER trgMoveDataON OrderDetailsAFTER INSERT ASINSERT INTO OrderDetailsHistory SELECT * FROM OrderDetailsWHERE DATEDIFF(m,OrderDate,GETDATE())>4
D) An additional table named OrderDetailsHistory should be created for data older than four months. And then, the OrderDetails and OrderDetailsHistory tables should be partitioned in two parts by utilizing the OrderDate column. At last, a SQL Server Agent job that runs every month should be created and the ALTER TABLE...SWITCH Transact-SQL statement should be utilized to remove data that is longer than four months to the OrderDetailsHistory table.

2. You administer a SQL Server 2008 instance that hosts a database solution in a production environment.
The database solution uses several SQL Server Agent jobs to periodically transfer data from heterogeneous data sources to the production environment. You also have a separate development environment that is used by several development teams. You design a test recovery plan for the database.
You plan to test the recovery plan by performing the following tasks:
Restoring the database on a separate SQL Server 2008 instance in a development environment Running a number of unit tests.
You need to ensure that all database dependencies are included in the recovery plan.
Which two objects should you transfer from the production environment to the development environment? (Each correct answer presents part of the solution. Choose two.)

A) master database
B) SQL Server Agent jobs
C) Custom error messages
D) msdb database
E) Login accounts

3. You administer a SQL Server 2008 infrastructure.
You plan to upgrade a Microsoft SQL Server 2005 instance to SQL Server 2008 by using an in-place
upgrade.
All user databases use the simple recovery model and have the PAGE_VERIFY option turned off.
You need to ensure that the database engine can identify I/O path errors and memory corruptions for the
data in tables.
Which two actions should you perform before the upgrade? (Each correct answer presents part of the
solution. Choose two.)

A) Set the PAGE_VERIFY database option to TORN_PAGE_DETECTION.
B) Execute the DBCC CHECKDB command by using the DATA_PURITY option.
C) Rebuild the nonclustered indexes.
D) Set the database recovery model to FULL.
E) Rebuild the clustered indexes and heaps.
F) Set the PAGE_VERIFY database option to CHECKSUM.

4. You are a professional level SQL Sever 2008 Database Administrator.
The capacity planning information is required by your company. A long-term infrastructure monitoring strategy should be implemented.
Which two actions should be contained in the strategy? (Choose more than one)

A) A maintenance plan that rebuilds indexes every week should be created.
B) System monitor counters should be reviewed regularly.
C) The system log and the application log should be cleared every hour.
D) All databases should be backed up every day.
E) After deployment of the production databases, the system should be basedlined.

5. You administer a SQL Server 2008 infrastructure.
Your company requires capacity planning information.
You need to design a long-term infrastructure monitoring strategy.
Which two tasks should you include in your design? (Each correct answer presents part of the solution. Choose two.)

A) Review system monitor counters on a regular basis.
B) Create a maintenance plan that rebuilds indexes every week.
C) Baseline the system before you deploy production databases.
D) Backup all databases every day.
E) Clear the system log and the application log every hour.

問題與答案：