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

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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. 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, right-click the instance and select Database Settings. Set the maximum size of the file for the transaction log.
B) use the ALTER DATABASE...SET LOGFILE command along with the maxsize parameter.
C) Execute sp_configure 'max log size', 2G.
D) 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.

2. You administer a Microsoft SQL Server 2012 database. The database is backed up according to the following schedule:
Daily full backup at 23:00 hours.
Differential backups on the hour, except at 23:00 hours.
Log backups every 10 minutes from the hour, except on the hour.
The database uses the Full recovery model. A developer accidentally drops a number of tables and stored procedures from the database between 22:40 hours and 23:10 hours. You perform a database restore at
23:30 hours to recover the dropped table. You need to restore the database by using the minimum amount of administrative effort. You also need to ensure minimal data loss. Which three actions should you perform in sequence? (To answer, move the appropriate actions from the list of actions to the answer area and arrange them in the correct order.)
Build List and Reorder:

3. You administer a Microsoft SQL Server 2012 database. You configure Transparent Data Encryption (TDE) on the Orders database by using the following statements:
CREATE MASTER KEY ENCRYPTION BY PASSWORD = 'MyPassword1!';
CREATE CERTIFICATE TDE_Certificate WITH SUBJECT = 'TDE Certificate';
BACKUP CERTIFICATE TDE_Certificate TO FILE = 'd:\TDE_Certificate.cer'
WITH PRIVATE KEY (FILE = 'd:\TDE_Certificate.key', ENCRYPTION BY PASSWORD =
'MyPassword1!');
CREATE DATABASE ENCRYPTION KEY
WITH ALGORITHM = AES_256
ENCRYPTION BY SERVER CERTIFICATE TDE_Certificate;
ALTER DATABASE Orders SET ENCRYPTION ON;
You attempt to restore the Orders database and the restore fails. You copy the encryption file to the original location. A hardware failure occurs and so a new server must be installed and configured. After installing SQL Server to the new server, you restore the Orders database and copy the encryption files to their original location. However, you are unable to access the database. You need to be able to restore the database. Which Transact-SQL statement should you use before attempting the restore?

A) DECLARE @startdate date SET @startdate = GETDATE() CREATE CERTIFICATE TDE_Certificate FROM FILE = 'd:\TDE_Certificate.cer' WITH START_DATE = @startdate;
B) CREATE ASSEMBLY TDE_Assembly FROM 'd:\TDE_Certificate.cer' WITH PERMISSION_SET = SAFE;
GO
CREATE CERTIFICATE TDE_Certificate
FROM ASSEMBLY TDE_Assembly;
C) CREATE CERTIFICATE TDE_Certificate FROM FILE = 'd:\TDE_Certificate.cer' WITH PRIVATE KEY (FILE = 'd:\TDE_Certificate.key', DECRYPTION BY PASSWORD 'MyPassword1!');
D) CREATE CERTIFICATE TDE_Certificate FROM EXECUTABLE FILE = 'd:\TDE_Certificate.cer'

4. You use Microsoft SQL Server 2012 to develop a database application. Your application sends data to an NVARCHAR(MAX) variable named @var. You need to write a Transact-SQL statement that will find out the success of a cast to a decimal (36,9). Which code segment should you use?select

A) SELECT
IIF(TRY_PARSE(@var AS decimal(36,9)) IS NULL, 'True', 'False')
AS BadCast
B) TRY( SELECT convert(decimal(36,9), @var) SELECT 'True' AS BadCast
)
CATCH(
SELECT 'False' AS BadCast
)
C) SELECT
CASE
WHEN convert(decimal(36,9), @var) IS NULL
THEN 'True'
ELSE 'False'
END
AS BadCast
D) BEGIN TRY
SELECT convert(decimal(36,9), @var) AS Value, 'True' AS BadCast
END TRY
BEGIN CATCH
SELECT convert(decimal(36,9), @var) AS Value, 'False' AS BadCast
END CATCH

5. You administer several Microsoft SQL Server 2012 database servers. Merge replication has been configured for an application that is distributed across offices throughout a wide area network (WAN). Many of the tables involved in replication use the XML and varchar(max) data types. Occasionally, merge replication fails due to timeout errors. You need to reduce the occurrence of these timeout errors. What should you do?

A) Set the Merge agent on the problem subscribers to use the slow link agent profile.
B) Change the Merge agent on the problem subscribers to run continuously.
C) Set the Remote Connection Timeout on the Publisher to 0.
D) Create a snapshot publication, and reconfigure the problem subscribers to use the snapshot publication.

Solutions: