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Microsoft PRO:MS SQL Serv 08,Design,Optimize, and Maintain DB Admin Solu Sample Questions:

1. You are designing a new SQL Server instance that will support a Web application.
The Web application is hosted on a Web farm that contains 32 nodes.
The server has 128 GB of memory and 16 processor cores. The application contains two databases and supports both online analytical processing (OLAP) and online transaction processing (OLTP) workloads.
When testing the application, you discover that some queries run extremely slow and some queries run very fast.
You need to ensure that the server processes database queries as fast as possible . What should you do? (More than one answer choice may achieve the goal. Select the BEST answer.)

A) Use SQL Profiler to identify queries that experience CXPACKET waits. Add (OPTION MAXDOP 1) to each query
B) Execute the following command on the server: exec_sp_configure 'maximum degree of parallelism', 1
C) Execute the following command on the server: exec_sp_configure 'maximum degree of parallelism', 8
D) Use SQL Profiler to identify queries that experience CXPACKET waits. Add (OPTION MAXDOP 8) to each query

2. You are a professional level SQL Sever 2008 Database Administrator.
A database is hosted by the instance. You can see the backup strategy utilized by the database from table listed below: A batch process is run on Saturday, and the process lasts from 21:00 hr to 23:00 hr; you find that the batch process takes no effect because certain data is modified some data by a user at 21:05 hr on the same day.

The database should be recovered to its state at the start of the batch process in the shortest time.
Which action will you perform?

A) The full database backup that was performed on Saturday should be recovered.
B) The full database backup that was performed on Saturday should be recovered. And then all transaction logs should be recovered from the time of the full backup on Saturday and should be stopped at 21:00 hr on Saturday.
C) The full database backup that was performed on Thursday should be recovered. And then the differential backup that was performed on Friday should be recovered. At last, all transaction logs should be recovered from the time of the differential backup on Friday and should be stopped at 21:00 hr on Saturday.
D) The full database backup that was performed on Thursday should be recovered. And then, all transaction logs should be recovered from the time of the full backup on Thursday and should be stopped at 21:00 hr on Saturday.

3. You administer a SQL Server 2008 instance.
The instance hosts a database that is used by a Web-based application. The application processes 15,000 transactions every minute. A table in the database contains a column that is used only by the application. This column stores sensitive data.
You need to store the sensitive data in the most secure manner possible.
You also need to ensure that you minimize the usage of memory space and processor time.
Which encryption type should you use?

A) Symmetric key encryption
B) Asymmetric key encryption
C) Transparent data encryption
D) Certificate-based encryption

4. 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) 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.
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) 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.

5. You administer a SQL Server 2008 infrastructure . You design a corporate backup and recovery strategy that has to be validated.
You need to ensure the successful recovery of any single database from a catastrophic failure without requiring a backup data center in a different location.
Which three tasks should you include? (Each correct answer presents part of the solution. Choose three.)

A) Document the administrative processes and application access requirements.
B) Maintain one list of all Windows logins and passwords.
C) Install all SQL Server instances on a failover cluster.
D) Script SQL login accounts and credentials.
E) Store all backup media offsite.

Solutions: