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1. You are a professional level SQL Sever 2008 Database Administrator in an international corporation named Wiikigo.
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 corporate backup and recovery strategy that has to be validated is designed.
You are required to make sure that any single database can be restored successfully from a severe failure, and during the restoration, a backup data center should not be required in a different location.
Which three actions should be contained by your solution? (Choose more than one)

A) All SQL Server instances should be installed on a failover cluster.
B) SQL login accounts and credentials should be scripted.
C) The administrative processes and application access requirements should be documented.
D) One list of all Windows logins and passwords should be sustained.
E) All backup media offsite should be stored.

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 a professional level SQL Sever 2008 Database Administrator.
A database is hosted by the instance and the database is configured by utilizing high-safety mirroring operation mode along with a witness server. A memory failure is experienced by the witness server; therefore the server will be offline for five hours. The mirroring strategy should be reset to cut the risk of database unavailability to the least level.
Which action should you perform to finish the task?

A) To finish the task, database mirroring should be removed.
B) To finish the task, the witness server should be moved from the mirroring session.
C) To finish the task, database mirroring should be paused.
D) To finish the task, asynchronous operating mode should be utilized.

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

5. You are a professional level SQL Sever 2008 Database Administrator.
An instance runs on a computer, and the computer has eight quad-core processors and 128-GB RAM. The instance is utilized by four different applications. Not only a low number of CXPACKET waits but also a large number of lazy writer waits are experienced by the instance. The performance of the instance should be optimized.
Which action will you perform to accomplish the goal?

A) To accomplish the goal, the Resource Governor should be configured.
B) To accomplish the goal, the Windows System Resource Manager should be configured.
C) To accomplish the goal, software non-uniform memory access (soft-NUMA) should be configured.
D) To accomplish the goal, an increase should be configured in the maximum degree of parallelism option.

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