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Microsoft 070-457 Exam Syllabus Topics:

Section	Objectives
Topic 1: Manage and Maintain Databases	- Monitor and optimize database performance - Implement backup and restore strategies - Create and modify databases
Topic 2: Monitoring and Troubleshooting	- Monitor SQL Server performance - Troubleshoot database issues - Use SQL Server tools for diagnostics
Topic 3: Security and Data Access	- Manage SQL Server security principals - Implement data encryption and auditing - Configure authentication and authorization
Topic 4: Configure and Deploy SQL Server 2012	- Install and configure SQL Server components - Configure storage and database files - Configure SQL Server instances and services
Topic 5: Data Management and Querying	- Work with indexes and execution plans - Manage data integrity and constraints - Implement T-SQL queries and scripts

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

1. You create a stored procedure that will update multiple tables within a transaction. You need to ensure that if the stored procedure raises a run-time error, the entire transaction is terminated and rolled back. Which Transact-SQL statement should you include at the beginning of the stored procedure?

A) SET XACT_ABORT OFF
B) SET ARITHABORT OFF
C) TRY
D) SET ARITHABORT ON
E) BEGIN
F) SET XACT_ABORT ON

2. You administer a Microsoft SQL Server 2012 default instance. The instance is hosted by a server that has a local firewall configured. The firewall only allows inbound connections on port 1433. The server only hosts a single instance of SQL Server. You need to ensure that the instance is configured to allow remote connections even if the SQL Server is unresponsive to client connections. What should you do? Choose all that apply.

A) Restart the SQL Server Agent Service.
B) Enable inbound connections on TCP port 135 in the Windows Firewall on the server.
C) Execute the following Transact-SQL command: sp_configure 'remote admin connections',
D) Execute the Reconfigure command.
E) Enable inbound connections on TCP port 1434 in the Windows Firewall on the server.
F) Execute the following Transact-SQL command: sp_configure 'remote access', 1

3. Your application contains a stored procedure for each country. Each stored procedure accepts an employee identification number through the @EmpID parameter. You plan to build a single process for each employee that will execute the stored procedure based on the country of residence. Which approach should you use?

A) a recursive stored procedure
B) The foreach SQLCLR statement
C) An UPDATE statement that includes CASE
D) Trigger
E) Cursor

4. 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 ensure that the top half of the students arranged by their average marks must be given a rank of 1 and the remaining students must be given a rank of 2. Which Transact-SQL query should you use?

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

5. You administer a Microsoft SQL Server 2012 server that hosts a transactional database and a reporting database. The transactional database is updated through a web application and is operational throughout the day. The reporting database is only updated from the transactional database. The recovery model and
backup schedule are configured as shown in the following table:

One of the hard disk drives that stores the reporting database fails at 16:40 hours. You need to ensure that
the reporting database is restored. You also need to ensure that data loss is minimal.
What should you do?

A) Perform a partial restore.
B) Restore the latest full backup, and restore the latest differential backup. Then, restore each log backup taken before the time of failure from the most recent differential backup.
C) Restore the latest full backup, and restore the latest differential backup. Then, restore the latest log backup.
D) Perform a point-in-time restore.
E) Restore the latest full backup.
F) Restore the latest full backup. Then, restore the latest differential backup.
G) Restore the latest full backup. Then, restore each differential backup taken before the time of failure from the most recent full backup.
H) Perform a page restore.