Microsoft 70-450 : PRO:MS SQL Serv 08,Design,Optimize, and Maintain DB Admin Solu

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Microsoft 70-450 Exam Syllabus Topics:

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

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

Question 2

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

Question 3

You are a professional level SQL Sever 2008 Database Administrator.
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.
A database is utilized by the instance, and the database is utilized by a Web-based application. 15,000
transactions
are processed by the application every minute. A column is contained by a table in the database, and the
column is
utilized only by the application. Sensitive data is stored in this column. The sensitive data should be stored
with the
highest security level. In addition, the least amount of memory space and processor time should be
utilized.
From the following four encryption types, which one should you utilize?

A. Asymmetric key encryption should be utilized.
B. Transparent data encryption should be utilized.
C. Symmetric key encryption should be utilized.
D. Certificate-based encryption should be utilized.

Question 4

You administer a SQL Server 2008 instance that hosts a database.
The backup strategy used by the database is as shown in the following table: You run a batch process on Saturday that lasts from 21:00 hr to 23:00 hr. You discover that the batch process is invalidated because a user has modified some data at 21:05 hr on the same day.

You need to restore the database to its state at the start of the batch process in the least possible time.
What should you do?

A. Restore the full database backup that was performed on Thursday Restore all transaction logs from the time of the full backup on Thursday and stop at 21:00 hr on Saturday.
B. Restore the full database backup that was performed on Thursday. Restore the differential backup that was performed on Friday. Restore all transaction logs from the time of the differential backup on Friday and stop at 21:00 hr on Saturday.
C. Restore the full database backup that was performed on Saturday. Restore all transaction logs from the time of the full backup on Saturday and stop at 21:00 hr on Saturday.
D. Restore the full database backup that was performed on Saturday.

Question 5

You are a professional level SQL Sever 2008 Database Administrator.
A mission-critical database is shared by the five sites.
According to the business requirements, the users at each site should be enabled to access and change data on all sites with minimal latency. In addition, data loss should be minimized if a server fails. A high-availability solution should be designed, and the business requirements should be satisfied.
Which action should be included in your solution?

A. Log shipping to servers at two of the sites to offer read-only replications of data should be included.
B. Failover clustering should be included.
C. Asynchronous database mirroring without a witness server should be included.
D. Peer-to-Peer replication should be included.

Solutions: