Microsoft 70-457

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Microsoft Transition Your MCTS on SQL Server 2008 to MCSA: SQL Server 2012, Part 1 Sample Questions:

1. You administer all the deployments of Microsoft SQL Server 2012 in your company. You need to ensure that data changes are sent to a non-SQL Server database server in near real time. You also need to ensure that data on the primary server is unaffected. Which configuration should you use?

A) Two servers configured on the same subnet SQL Server Availability Group configured in Synchronous-Commit Availability Mode
B) SQL Server that includes an application database configured to perform transactional replication
C) SQL Server that includes an application database configured to perform snapshot replication
D) Two servers configured in the same data center SQL Server Availability Group configured in Asynchronous-Commit Availability Mode One server configured as an Active Secondary
E) Two servers configured in different data centers SQL Server Availability Group configured in Synchronous-Commit Availability Mode One server configured as an Active Secondary
F) Two servers configured in the same data center A primary server configured to perform log-shipping every 10 minutes A backup server configured as a warm standby
G) Two servers configured in a Windows Failover Cluster in the same data center SQL Server configured as a clustered instance
H) Two servers configured in different data centers SQL Server Availability Group configured in Asynchronous-Commit Availability Mode

2. You use a Microsoft SQL Server 2012 database that contains two tables named SalesOrderHeader and SalesOrderDetail. The indexes on the tables are as shown in the exhibit. (Click the Exhibit button.)

You write the following Transact-SQL query:

You discover that the performance of the query is slow. Analysis of the query plan shows table scans where the estimated rows do not match the actual rows for SalesOrderHeader by using an unexpected index on SalesOrderDetail. You need to improve the performance of the query. What should you do?

A) Use a FORCESEEK hint in the query.
B) Use a FORCESCAN hint in the query.
C) Add a clustered index on SalesOrderId in SalesOrderHeader.
D) Update statistics on SalesOrderId on both tables.

3. DRAG AND DROP You administer a Microsoft SQL Server database that is used by an application. Users of the application report performance issues. You need to choose the appropriate tool for performance-tuning of SQL Server databases. Which tool or tools should you use? (To answer, drag the appropriate tool or tools to their corresponding task or tasks in the answer area. Each tool may be used once, more than once, or not at all. You may need to drag the split bar between panes or scroll to view content.)
Select and Place:

4. You use a contained database named ContosoDb within a domain. You need to create a user who can log on to the ContosoDb database. You also need to ensure that you can port the database to different database servers within the domain without additional user account configurations. Which type of user should you create?

A) Domain user
B) User mapped to a certificate
C) SQL user with login
D) SQL user without login

5. You administer a Microsoft SQL Server 2012 database. You need to ensure that the size of the transaction log file does not exceed 2 GB. What should you do?

A) In SQL Server Management Studio, expand the Storage leaf under the database. Select the transaction log file and set the maximum size of the file.
B) In SQL Server Management Studio, right-click the database, select Properties, and then click Files. Open the Transaction log Autogrowth window and set the maximum size of the file.
C) Use the ALTER DATABASE...SET LOGFILE command along with the midsize parameter.
D) In SQL Server Management Studio, right-click the instance and select Database Settings. Set the maximum size of the file for the transaction log.

Solutions: