Microsoft Transition Your MCTS on SQL Server 2008 to MCSA: SQL Server 2012, Part 1 : 70-457

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Microsoft 70-457 Exam Syllabus Topics:

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

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

2. You develop a database for a travel application. You need to design tables and other database objects. You need to store media files in several tables. Each media file is less than 1 MB in size. The media files will require fast access and will be retrieved frequently. What should you do?

A) Use the CAST function.
B) Use the FORMAT function.
C) Use a user-defined table type.
D) Use the TODATETIMEOFFSET function.
E) Use the DATE data type.
F) Use the DATETIME data type.
G) Use an appropriate collation.
H) Use the VARBINARY data type.
I) Use the DATETIME2 data type.
J) Use the DATETIMEOFFSET data type.

3. You develop a Microsoft SQL Server 2012 database. You need to create a batch process that meets the following requirements:
Returns a result set based on supplied parameters.
Enables the returned result set to perform a join with a table.
Which object should you use?

A) Stored procedure
B) Inline user-defined function
C) Table-valued user-defined function
D) Scalar user-defined function

4. You administer two instances of Microsoft SQL Server 2012. You deploy an application that uses a database on the named instance. The application is unable to connect to the database on the named instance. You need to ensure that the application can connect to the named instance. What should you do?

A) Start the SQL Server Integration Services Service.
B) Use the Master Data Services Configuration Manager to configure the application.
C) Start the SQL Server Browser Service.
D) Use the Data Quality Client to configure the application.

5. You administer a Microsoft SQL Server 2012 database. You create an availability group named haContosoDbs. Your primary replica is available at Server01\Contoso01. You need to configure the availability group to have the highest availability. You also need to ensure that no data is lost. Which Transact-SQL statement should you use?

A) ALTER AVAILABILITY GROUP haContosoDbs MODIFY REPLICA ON 'Server01
\Contoso01' WITH (AVAILABILITY_MODE = ASYNCHRONOUS_COMMIT, FAILOVER_MODE = MANUAL)
B) ALTER AVAILABILITY GROUP haContosoDbs MODIFY REPLICA ON 'Server01
\Contoso01'
WITH (AVAILABILITY_MODE = SYNCHRONOUS_COMMIT, FAILOVER_MODE = MANUAL)
C) ALTER AVAILABILITY GROUP haContosoDbs MODIFY REPLICA ON 'Server01
\Contoso01' WITH (AVAILABILITY_MODE = ASYNCHRONOUS_COMMIT, FAILOVER_MODE = AUTOMATIC)
D) ALTER AVAILABILITY GROUP haContosoDbs MODIFY REPLICA ON 'Server01
\Contoso01' WITH (AVAILABILITY_MODE = SYNCHRONOUS_COMMIT, FAILOVER_MODE = AUTOMATIC)

Solutions: