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

2. You are a professional level SQL Sever 2008 Database Administrator.
The largest table in a database is partitioned into four equal-sized parts.
The first two partitions are seldom queried, while the third partition is regularly queried by several reports. Meanwhile, the fourth partition is heavily queried and regularly modified.
The disk space of the table should be cut to the least and the query performance should be with the least impact.
What will you do? (Choose more than one.)

A) ROW compression should be enabled for the first two partitions.
B) ROW compression should be enabled for the last partition.
C) PAGE compression should be enabled for the last partition.
D) PAGE compression should be enabled for the third partition.
E) PAGE compression should be enabled for the first two partitions.
F) ROW compression should be enabled for the third partition.

3. You administer a SQL Server 2008 infrastructure.
An instance hosts a business-critical database that must be continuously available to the users without data loss. The database includes Filestream data.
You need to implement a high-availability solution for the site.
Which solution should you use?

A) Synchronous database mirroring with a witness server
B) Asynchronous database mirroring
C) Database snapshot
D) Failover clustering

4. 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) Certificate-based encryption
C) Transparent data encryption
D) Asymmetric key encryption

5. You administer a SQL Server 2005 instance. The instance is configured to use the named pipes network
communication protocol.
You plan to upgrade the instance to SQL Server 2008.
You need to ensure that the upgraded isntance can continue to use the named pipes network
communication protocol.
You also need to ensure that the server uses the most secure authentication method available.
Which authentication method should you use?

A) NTLM authentication
B) Kerberos authentication
C) SQL Server authentication
D) Mixed-mode authentication

Solutions: