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

1. You are designing the storage scheme for a new SQL Server 2008 database application
The application will primarily be used to query data.
The database will be initially populated with 4 terabytes of data stored in 20 tables.
The data is distributed evenly throughout all 20 tables. Every night, between 100 GB and 300 GB of new
data will be loaded into 4 database tables.
The remaining 16 tables will remain static. The average CPU utilization of the server where the
application will reside is between 30 and 50 percent.
You need to ensure that the amount of disk space used is reduced.
You need to achieve this goal by ensuring minimum impact of performance on the server.
What should you do? (More than one answer choice may achieve the goal. Select the BEST answer.)

A) Use row-level data compression on the 16 tables that remain static.
B) Use page-level data compression on the 4 tables that are loaded every night.
C) Use row-level data compression on the 4 tables that are loaded every night.
D) Use page-level data compression on the 16 tables that remain static.

2. You administer a SQL Server 2008 infrastructure.
You plan to design a maintenance strategy for a mission-critical database that includes a large table named Orders. The design plan includes index maintenance operations.
You must design the strategy after considering the following facts:
The Orders table in the database is constantly accessed.
New rows are frequently added to the Orders table.
The average fragmentation for the clustered index of the Orders table is less than 2 percent.
The Orders table includes a column of the xml data type.
You need to implement the strategy so that the performance of the queries on the table is optimized.
What should you do?

A) Rebuild the clustered index of the Orders table offline once a month.
B) Drop the clustered index of the Orders table.
C) Exclude the clustered index of the Orders table from scheduled reorganizing or rebuilding operations.
D) Reorganize the clustered index of the Orders table by decreasing the fill factor.

3. You administer a SQL Server 2008 instance.
The instance is one of three servers in a peer-to-peer transactional replication topology.
The publication contains a table named Orders. The Orders table contains 200 GB of data
across multiple partitions. A batch process bulk loads 10 GB of data to the Orders table periodically.
You need to design a replication strategy to minimize latency.
What should you do?

A) Configure the Distributor agent to change the commit batch threshold.
B) Configure the Distributor agent to replicate transactions continually.
C) Explanation/Reference:
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D) Use the BULK INSERT command in multiple staging tables. Switch partitions into the Orders table.
E) Disable the Distributor agent. Use the BULK INSERT command in the Orders table. Reinitialize the publication.

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

5. You administer a SQL Server 2008 infrastructure.
An instance contains a database that includes a large table named OrderDetails. The application queries
only execute
DML statements on the last three months data. Administrative audits are conducted monthly on data older
than three months.
You discover the following performance problems in the database. The performance of the application
queries against the
OrderDetail table is poor. The maintenance tasks against the database, including index defragmentation,
take a long time.
You need to resolve the performance problems without affecting the server performance.
What should you do?

A) Create an additional table named OrderDetailsHistory for data older than three months. Partition the OrderDetails and OrderDetailsHistory tables in two parts by using the OrderDatecolumn. Create a SQL Server Agent job that runs every month and uses the ALTER TABLE...SWITCH Transact-SQL statement to move data that is older than three months to the OrderDetailsHistory table.
B) Create an additional table named OrderDetailsHistory for data older than three months. Use the following Transact-SQL statement. CREATE TRIGGER trgMoveData ON OrderDetails AFTER INSERT AS INSERT INTO OrderDetailsHistory SELECT * FROM OrderDetails WHERE DATEDIFF( m,OrderDate,GETDATE ()) > 3
C) Create a database snapshot for the OrderDetails table every three months. Modify the queries to use the current snapshot.
D) Create an additional table named OrderDetailsHistory for data older than three months. Create a SQL Server Agent job that runs the following Transact-SQL statement every month. INSERT INTO OrderDetailsHistory SELECT * FROM OrderDetails WHERE DATEDIFF( m,OrderDate,GETDATE ()) > 3

Solutions: