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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 administer a Microsoft SQL Server 2012 database named Contoso on a server named Server01. You need to prevent users from disabling server audits in Server01. What should you create?

A) a Resource Pool
B) an Extended Event session
C) an Alert
D) a Server Audit Specification
E) a Policy
F) a SQL Profiler Trace
G) a Database Audit Specification

2. You administer a single server that contains a Microsoft SQL Server 2012 default instance on which several production databases have been deployed. You plan to install a new ticketing application that requires the deployment of a database on the server. The SQL login for this application requires sysadmin permissions. You need to ensure that the login for the ticketing application cannot access other production databases. What should you do?

A) Install a new named SQL Server instance on the server.
B) Use the SQL Server default instance and configure a user-defined server role. Add the login for the ticketing application to this role.
C) Install a new default SQL Server instance on the server.
D) Use the SQL Server default instance and enable Contained Databases.

3. 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 FORCESCAN hint in the query.
C) Update statistics on SalesOrderId on both tables.
D) Use a FORCESEEK hint in the query.

4. You administer a Microsoft SQL Server 2012 instance that contains a financial database hosted on a storage area network (SAN). The financial database has the following characteristics:
A data file of 2 terabytes is located on a dedicated LUN (drive D).
A transaction log of 10 GB is located on a dedicated LUN (drive E).
Drive D has 1 terabyte of free disk space.
Drive E has 5 GB of free disk space.
The database is continually modified by users during business hours from Monday through Friday between
09:00
hours and 17:00 hours. Five percent of the existing data is modified each day. The Finance department loads large CSV files into a number of tables each business day at 11:15 hours and 15:15 hours by using the BCP or BULK INSERT commands. Each data load adds 3 GB of data to the database. These data load operations must occur in the minimum amount of time. A full database backup is performed every Sunday at 10:00 hours. Backup operations will be performed every two hours (11:00, 13:00, 15:00, and 17:00) during business hours. You need to ensure that the minimum amount of data is lost. Which recovery model should the database use?

A) BULK_LOGGED
B) STANDBY
C) CHECKSUM
D) Transaction log
E) NO_CHECKSUM
F) NORECOVERY
G) SKIP
H) DBO_ONLY
I) SIMPLE
J) RESTART
K) COPY_ONLY
L) FULL
M) CONTINUE_AFTER_ERROR
N) Differential

5. You use Microsoft SQL Server 2012 to write code for a transaction that contains several statements. There is high contention between readers and writers on several tables used by your transaction. You need to minimize the use of the tempdb space. You also need to prevent reading queries from blocking writing queries. Which isolation level should you use?

A) SNAPSHOT
B) READ COMMITTED SNAPSHOT
C) REPEATABLE READ
D) SERIALIZABLE

Solutions: