Microsoft 070-457 Exam : Transition Your MCTS on SQL Server 2008 to MCSA: SQL Server 2012, Part 1

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Microsoft 070-457 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 instance. The instance contains a database that supports a retail sales application. The application generates hundreds of transactions per second and is online 24 hours per day and 7 days per week. You plan to define a backup strategy for the database. You need to ensure that the following requirements are met:
No more than 5 minutes worth of transactions are lost.
Data can be recovered by using the minimum amount of administrative effort.
What should you do? Choose all that apply.

A) Configure the database to use the SIMPLE recovery model.
B) Create a DIFFERENTIAL database backup every 4 hours.
C) Create a FULL database backup every 24 hours.
D) Create a DIFFERENTIAL database backup every 24 hours.
E) Create a LOG backup every 5 minutes.
F) Configure the database to use the FULL recovery model.

2. You develop a Microsoft SQL Server 2012 database that contains tables named Customers and Orders. The tables are related by a column named CustomerId . You need to create a query that meets the following requirements:
Returns the CustomerName for all customers and the OrderDate for any orders that they have placed.
Results must not include customers who have not placed any orders. Which Transact-SQL query should you use?

A) SELECT CustomerName, OrderDate FROM Customers RIGHT OUTER JOIN Orders ON Customers.CustomerID = Orders.CustomerId
B) SELECT CustomerName, OrderDate FROM Customers LEFT OUTER JOIN Orders ON Customers.CuscomerlD = Orders.CustomerId
C) SELECT CustomerName, OrderDate FROM Customers CROSS JOIN Orders ON Customers.CustomerId = Orders.CustomerId
D) SELECT CustomerName, OrderDate FROM Customers JOIN Orders ON Customers.CustomerId = Orders.CustomerId

3. 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) 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
B) TRY( SELECT convert(decimal(36,9), @var) SELECT 'True' AS BadCast
)
CATCH(
SELECT 'False' AS BadCast
)
C) SELECT
IIF(TRY_PARSE(@var AS decimal(36,9)) IS NULL, 'True', 'False')
AS BadCast
D) SELECT
CASE
WHEN convert(decimal(36,9), @var) IS NULL
THEN 'True'
ELSE 'False'
END
AS BadCast

4. You administer a Microsoft SQL Server 2012 database. You provide temporary securityadmin access to User1 to the database server. You need to know if User1 adds logins to securityadmin. Which server-level audit action group should you use?

A) SERVER_PRINCIPAL_IMPERSONATION_GROUP
B) SUCCESSFUL_LOGIN_GROUP
C) SERVER_ROLE_MEMBER_CHANGE_GROUP
D) SERVER_STATE_CHANGE_GROUP

5. You use a Microsoft SQL Server 2012 database that contains a table named BlogEntry that has the following columns:

Id is the Primary Key.
You need to append the "This is in a draft stage" string to the Summary column of the recent 10 entries
based on the values in EntryDateTime. Which Transact-SQL statement should you use?

A) UPDATE TOP(10) BlogEntry SET Summary.WRITE(N' This is in a draft stage', NULL, 0)
B) UPDATE BlogEntry SET Summary = CAST(N' This is in a draft stage' as nvarchar(max)) WHERE Id IN(SELECT TOP(10) Id FROM BlogEntry ORDER BY EntryDateTime DESC)
C) UPDATE BlogEntry SET Summary.WRITE(N' This is in a draft stage', NULL, 0) FROM ( SELECT TOP(10) Id FROM BlogEntry ORDER BY EntryDateTime DESC) AS s WHERE BlogEntry.Id = s.ID
D) --this option was diferent im my exam UPDATE BlogEntry SET Summary.WRITE(N' This is in a draft stage', 0, 0) WHERE Id IN(SELECT TOP(10) Id FROM BlogEntry ORDER BY EntryDateTime DESC)

Solutions: