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Microsoft 070-457 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Monitoring and Troubleshooting | - Use SQL Server tools for diagnostics - Troubleshoot database issues - Monitor SQL Server performance |
| Configure and Deploy SQL Server 2012 | - Configure SQL Server instances and services - Install and configure SQL Server components - Configure storage and database files |
| Manage and Maintain Databases | - Implement backup and restore strategies - Monitor and optimize database performance - Create and modify databases |
| Data Management and Querying | - Implement T-SQL queries and scripts - Work with indexes and execution plans - Manage data integrity and constraints |
| Security and Data Access | - Configure authentication and authorization - Manage SQL Server security principals - Implement data encryption and auditing |
Microsoft Transition Your MCTS on SQL Server 2008 to MCSA: SQL Server 2012, Part 1 Sample Questions:
You administer a Microsoft SQL Server database named Sales. The database is 3 terabytes in size. The Sales database is configured as shown in the following table.
You discover that all files except Sales_2.ndf are corrupt. You need to recover the corrupted data in the minimum amount of time. What should you do?
- A. Perform a restore from a full backup.
- B. Perform a file restore.
- C. Perform a filegroup restore.
- D. Perform a transaction log restore.
Correct Answer: A 🗳️
Explanation: Only visible for Pass4sures members. You can sign-up / login (it's free).
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,
RANK() OVER (ORDER BY AVG (Marks) DESC) AS Value
FROM StudentMarks
GROUP BY StudentCode - B. SELECT StudentCode as Code,
NTILE (2) OVER (ORDER BY AVG (Marks) DESC) AS Value
FROM StudentMarks
GROUP BY StudentCode - C. 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 - 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 Id, Name, Marks,
DENSE_RANK() OVER (ORDER BY Marks DESC) AS Rank
FROM StudentMarks - F. 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 - G. 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 - H. SELECT StudentCode as Code,
DENSE_RANK() OVER (ORDER BY AVG (Marks) DESC) AS Value
FROM StudentMarks
GROUP BY StudentCode
Correct Answer: B 🗳️
Explanation: Only visible for Pass4sures members. You can sign-up / login (it's free).
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: At 14:00 hours, you discover that pages 71, 520, and 713 on one of the database files are corrupted on the reporting database. You need to ensure that the databases are restored. You also need to ensure that data loss is minimal. What should you do?
- A. Perform a partial restore.
- B. Perform a point-in-time restore.
- C. Restore the latest full backup. Then, restore each differential backup taken before the time of failure from the most recent full backup.
- D. Restore the latest full backup, and restore the latest differential backup. Then, restore the latest log backup.
- E. 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.
- F. Perform a page restore.
- G. Restore the latest full backup.
- H. Restore the latest full backup. Then, restore the latest differential backup.
Correct Answer: H 🗳️
Explanation: Only visible for Pass4sures members. You can sign-up / login (it's free).
You administer a Microsoft SQL Server 2012 database. You create an availability group named haContosoDbs. Your primary replica is available at Server01\Contoso01. You need to configure the availability group to have the highest availability. You also need to ensure that no data is lost. Which Transact-SQL statement should you use?
- A. ALTER AVAILABILITY GROUP haContosoDbs MODIFY REPLICA ON 'Server01
\Contoso01'
WITH (AVAILABILITY_MODE = SYNCHRONOUS_COMMIT, FAILOVER_MODE = MANUAL) - B. ALTER AVAILABILITY GROUP haContosoDbs MODIFY REPLICA ON 'Server01
\Contoso01' WITH (AVAILABILITY_MODE = ASYNCHRONOUS_COMMIT, FAILOVER_MODE = AUTOMATIC) - C. ALTER AVAILABILITY GROUP haContosoDbs MODIFY REPLICA ON 'Server01
\Contoso01' WITH (AVAILABILITY_MODE = SYNCHRONOUS_COMMIT, FAILOVER_MODE = AUTOMATIC) - D. ALTER AVAILABILITY GROUP haContosoDbs MODIFY REPLICA ON 'Server01
\Contoso01' WITH (AVAILABILITY_MODE = ASYNCHRONOUS_COMMIT, FAILOVER_MODE = MANUAL)
Correct Answer: C 🗳️
Explanation: Only visible for Pass4sures members. You can sign-up / login (it's free).
You administer a single server that contains a Microsoft SQL Server 2012 default instance. You plan to install a new application that requires the deployment of a database on the server. The application login requires sysadmin permissions. You need to ensure that the application login is unable to 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 an affinity mask.
- C. Install a new default SQL Server instance on the server.
- D. Use the SQL Server default instance and enable Contained Databases.
Correct Answer: A 🗳️
Explanation: Only visible for Pass4sures members. You can sign-up / login (it's free).
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