Instant Download Microsoft : 70-457 Questions & Answers as PDF & Test Engine
Updated: Oct 22, 2026
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Microsoft 70-457 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Work with Data | 28-33% | - Query data using SELECT statements - Apply built-in functions and aggregate functions - Modify data using INSERT, UPDATE, DELETE - Implement subqueries and joins - Manage transactions and error handling |
| Manage and Maintain Databases | 20-25% | - Implement security principles - Monitor SQL Server activity - Configure SQL Server instances - Manage backups and restores - Implement high availability features |
| Create Database Objects | 27-32% | - Create stored procedures - Create and alter indexes - Design and implement tables - Create functions and triggers - Create and modify views |
| Troubleshoot and Optimize Queries | 15-20% | - Analyze execution plans - Identify and resolve performance issues - Optimize indexes and statistics - Use query hints and execution plans |
Microsoft Transition Your MCTS on SQL Server 2008 to MCSA: SQL Server 2012, Part 1 Sample Questions:
You administer a Microsoft SQL Server 2012 instance. You need to stop a blocking process that has an SPID of 64 without stopping other processes. What should you do?
- A. Restart the SQL Server service.
- B. Execute the following Transact-SQL statement:
EXECUTE sp_KillSPID 64 - C. Execute the following Transact-SQL statement:
KILL 64 - D. Execute the following Transact-SQL statement:
ALTER SESSION KILL '64'
Correct Answer: C 🗳️
Explanation: Only visible for ExamsLabs members. You can sign-up / login (it's free).
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 transaction log restore.
- C. Perform a file restore.
- D. Perform a filegroup restore.
Correct Answer: A 🗳️
Explanation: Only visible for ExamsLabs members. You can sign-up / login (it's free).
You use a contained database named ContosoDb within a domain. You need to create a user who can log on to the ContosoDb database. You also need to ensure that you can port the database to different database servers within the domain without additional user account configurations. Which type of user should you create?
- A. login mapped to a virtual account
- B. SQL user without login
- C. Domain user
- D. User mapped to an asymmetric key
Correct Answer: C 🗳️
Explanation: Only visible for ExamsLabs members. You can sign-up / login (it's free).
You administer a Microsoft SQL Server 2012 failover cluster that contains two nodes named Node A and Node B.
A single instance of SQL Server is installed on the cluster. An additional node named Node C has been added to the existing cluster. You need to ensure that the SQL Server instance can use all nodes of the cluster. What should you do?
- A. Use Cluster Administrator to add a new Resource Group to Node B.
- B. Create a ConfigurationFile.ini file from Node B, and then run the AddNode command-line tool on Node
- C. Run the Add Node to SQL Server Failover Cluster Wizard on Node
- D. Use Node A to install SQL Server on Node C.
Correct Answer: C 🗳️
Explanation: Only visible for ExamsLabs members. You can sign-up / login (it's free).
You are developing a database application by using Microsoft SQL Server 2012. An application that uses a database begins to run slowly. You discover that during reads, the transaction experiences blocking from concurrent updates. You need to ensure that throughout the transaction the data maintains the original version. What should you do?
- A. Include a SET TRANSACTION ISOLATION LEVEL SNAPSHOT statement before you run the query.
- B. Include a SET FORCEPLAN ON statement before you run the query.
- C. Include a SET STATISTICS SHOWPLAN_XML ON statement before you run the query.
- D. Add an INCLUDE clause to the index.
- E. Add a HASH hint to the query.
- F. Include a SET TRANSACTION ISOLATION LEVEL REPEATABLE READ statement before you run the query.
- G. Add a LOOP hint to the query.
- H. Include a SET TRANSACTION ISOLATION LEVEL SERIALIZABLE statement before you run the query.
- I. Add a FORCESEEK hint to the query.
- J. Include a SET STATISTICS PROFILE ON statement before you run the query.
- K. Enable the optimize for ad hoc workloads option.
- L. Add a FORCESCAN hint to the Attach query.
- M. Add a columnstore index to cover the query.
- N. Cover the unique clustered index with a columnstore index.
Correct Answer: A 🗳️
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