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

1. You administer SQL Server 2008 instances at three sites.
All sites share a mission-critical database. The business requirements specify that users at each site must be able to perform the following tasks:
Access and modify data on all sites with minimal latency.
Minimize data loss in the event of a server failure.
You need to provide a high-availability solution that meets the business requirements.
Which solution should you implement?

A) Failover clustering
B) Log shipping to servers at two of the sites to provide read-only copies of data
C) Peer-to-Peer replication
D) Asynchronous database mirroring without a witness server

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

3. You are designing a database solution by using SQL Server 2008.
The database has a large number of tables that have columns that contain sensitive data. The sensitive data must be protected.
You need to choose an encryption strategy that has the minimum effect on the performance of the server.
What should you do? (More than one answer choice may achieve the goal. Select the BEST answer.)

A) Use Cell-Level Encryption.
B) Use Encrypting File System.
C) Use Bitlocker Encryption.
D) Use Transparent Data Encryption (TDE).

4. You administer a SQL Server 2008 infrastructure.
A financial application uses several instances across multiple servers. The majority of queries require distributed transactions across all servers.
The application administrator reports that the application experiences excessive deadlocks.
You need to design a data collector type that provides the appropriate information for remote servers.
What collector should you use?

A) Query Activity collector
B) T-SQL Query collector
C) Performance Counters collector
D) A custom Query collector that uses WMI

5. You are a professional level SQL Sever 2008 Database Administrator.
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?

A) The clustered index of the Orders table should be dropped.
B) The clustered index of the Orders table should be excluded from scheduled reorganizing or rebuilding operations.
C) The clustered index of the Orders table should be reorganized by reducing the fill factor.
D) The clustered index of the Orders table offline should be rebuilt once a month.

Solutions: