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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:

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) 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

2. You administer a SQL Server 2008 instance. You plan to design a high-availability solution by using database mirroring.
The current application includes programming logic that will retry transactions if a failover occurs.
You need to configure a strategy that will provide the minimum amount of latency for committed transactions.
What should you do?

A) Pause database mirroring.
B) Configure forced service role switching.
C) Configure manual failover role switching.
D) Configure automatic failover role switching.

3. You are a professional level SQL Sever 2008 Database Administrator.
After a regular test, you find that performance degradation is experienced by an instance for the three reasons:
Excessive CPU usage, Server processes paging and Deadlocks
A monitoring solution should be implemented to provide data, monitor and troubleshoot performance issues and detailed deadlock information should be contained in the provided data.
You should utilize the least amount of administrative effort to finish the task.
Which tool will you utilize to finish the task?

A) To finish the task, you should utilize Extended Events.
B) To finish the task, you should utilize Resource Governor.
C) To finish the task, you should utilize Database Engine Tuning Advisor.
D) To finish the task, you should utilize Performance Monitor (SYSMON).

4. Your SQL Server 2008 database contains two tables named Customer and Order inside the Sales schema.
The Sales schema is defined as follows:
It has a stored procedure named SetCustomerStatus that reads from Order and modifies Customer.
It is owned by a user named SalesUser.
Another user named MarketingUser wants to be able to call SetCustomerStatus and change the status of Customer.
You need to assign the least permissions necessary to MarketingUser.
What should you do? (More than one answer choice may achieve the goal. Select the BEST answer.)

A) Perform the following tasks: Set Execute on SetCustomerStatus.
B) Set only Execute on SetCustomerStatus.
C) Set only Take Ownership on Customer and Order.
D) Perform the following tasks: Set Select on Customer.

5. You are a professional level SQL Sever 2008 Database Administrator.
A large financial database is hosted by the instance. The backup strategies listed below are contained by
the database:
First, the performance of a full database backup is implemented once a week.
Secondly, the performance of a differential backup is implemented every day.
Thirdly, the performance of a transaction log backup is implemented every hour.
An end-of-year batch process should be implemented, and the process takes two hours to run.
About five percent of data within the database will be changed by the batch process.
Since you are the technical support, you are required to make sure that the batch operation can be rolled
back
in the shortest time, if the batch process is not approved by the Finance department.
What should you do first before start the batch process?

A) You should perform a differential backup.
B) You should create a marked transaction. And then you should perform a transaction log backup.
C) You should record the time before the batch operation. And then you should perform a transaction log
D) You should create a database snapshot.

Solutions: