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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. The database contains a table named Employee. Part of the Employee table is shown in the exhibit. (Click the Exhibit button.)


Confidential information about the employees is stored in a separate table named EmployeeData. One record exists within EmployeeData for each record in the Employee table. You need to assign the appropriate constraints and table properties to ensure data integrity and visibility. On which column in the Employee table should you a create a unique constraint?

A) DateHired
B) JobTitle
C) FirstName
D) ReportsToID
E) EmployeeNum
F) LastName
G) EmployeelD
H) MiddleName
I) DepartmentID

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

3. You create a table that has the StudentCode, SubjectCode, and Marks columns to record mid-year marks for students. The table has marks obtained by 50 students for various subjects. You need to retrieve the students who scored the highest marks for each subject along with the marks. Which Transact-SQL query should you use?

A) SELECT StudentCode as Code, RANK() OVER(ORDER BY AVG(Marks) DESC) AS Value FROM StudentMarks GROUP BY StudentCode
B) SELECT StudentCode AS Code, Marks AS Value FROM ( SELECT StudentCode, Marks AS Marks, RANK() OVER(PARTITION BY SubjectCode ORDER BY Marks DESC) AS Rank
FROM StudentMarks) tmp
WHERE Rank = 1
C) SELECT StudentCode AS Code, Marks AS Value FROM ( SELECT StudentCode, Marks AS Marks, RANK() OVER(PARTITION BY StudentCode ORDER BY Marks ASC) AS Rank
FROM StudentMarks) tmp
WHERE Rank = 1
D) SELECT StudentCode AS Code, Marks AS Value FROM ( SELECT StudentCode, Marks AS Marks, RANXO OVER(PARTITION BY StudentCode ORDER BY Marks DESC) AS Rank
FROM StudentMarks) tmp
WHERE Rank = 1
E) SELECT StudentCode as Code, DENSE_RANK() OVER(ORDER BY AVG(Marks) DESC) AS Value FROM StudentMarks GROUP BY StudentCode
F) SELECT StudentCode as Code, NTILE(2) OVER(ORDER BY AVG(Marks) DESC) AS Value FROM StudentMarks GROUP BY StudentCode
G) SELECT StudentCode AS Code, Marks AS Value FROM ( SELECT StudentCode, Marks AS Marks, RANK() OVER(PARTITION BY SubjectCode ORDER BY Marks ASC) AS Rank
FROM StudentMarks) tmp
WHERE Rank = 1
H) SELECT Id, Name, Marks, DENSE_RANK() OVER(ORDER BY Marks DESC) AS Rank FROM StudentMarks

4. You administer all the deployments of Microsoft SQL Server 2012 in your company. You need to ensure that an OLTP database that uses a storage area network (SAN) remains available if any of the servers fail. You also need to minimize the amount of storage used by the database. Which configuration should you use?

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

5. You administer all the deployments of Microsoft SQL Server 2012 in your company. A database contains a large product catalog that is updated periodically. You need to be able to send the entire product catalog to all branch offices on a monthly basis. Which configuration should you use?

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

Solutions: