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Microsoft 70-457 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Data Management and Querying | - Implement T-SQL queries and scripts - Manage data integrity and constraints - Work with indexes and execution plans |
| Security and Data Access | - Implement data encryption and auditing - Configure authentication and authorization - Manage SQL Server security principals |
| Manage and Maintain Databases | - Create and modify databases - Implement backup and restore strategies - Monitor and optimize database performance |
| Monitoring and Troubleshooting | - Monitor SQL Server performance - Troubleshoot database issues - Use SQL Server tools for diagnostics |
| Configure and Deploy SQL Server 2012 | - Install and configure SQL Server components - Configure SQL Server instances and services - Configure storage and database files |
Microsoft Transition Your MCTS on SQL Server 2008 to MCSA: SQL Server 2012, Part 1 Sample Questions:
You administer all the deployments of Microsoft SQL Server 2012 in your company. You have two servers in the same data center that hosts your production database. You need to ensure that the database remains available if a catastrophic server failure or a disk failure occurs. You also need to maintain transactional consistency of the data across both servers. You need to achieve these goals without manual intervention. 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 different data centers SQL Server Availability Group configured in Asynchronous-Commit Availability Mode
- C. Two servers configured on the same subnet SQL Server Availability Group configured in Synchronous-Commit Availability Mode
- 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. SQL Server that includes an application database configured to perform snapshot replication
- H. Two servers configured in a Windows Failover Cluster in the same data center SQL Server configured as a clustered instance
Correct Answer: C 🗳️
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You use Microsoft SQL Server 2012 database to develop a shopping cart application. You need to invoke a table-valued function for each row returned by a query. Which Transact-SQL operator should you use?
- A. UNPIVOT
- B. PIVOT
- C. CROSS JOIN
- D. CROSS APPLY
Correct Answer: D 🗳️
Explanation: Only visible for Dumpexams members. You can sign-up / login (it's free).
You administer a database that includes a table named Customers that contains more than 750 rows. You create a new column named PartitionNumber of the int type in the table. You need to assign a PartitionNumber for each record in the Customers table. You also need to ensure that the PartitionNumber satisfies the following conditions:
Always starts with 1.
Starts again from 1 after it reaches 100. Which Transact-SQL statement should you use?
- A. CREATE SEQUENCE CustomerSequence AS int START WITH 1 INCREMENT BY 1 MINVALUE 0 MAXVALUE 100 CYCLE UPTATE Customers SET PartitionNumber = NEXT VALUE FOR CustomerSequence DROP SEQUENCE CustomerSequence
- B. CREATE SEQUENCE CustomerSequence AS int START WITH 1 INCREMENT BY 1 MINVALUE 1 MAXVALUE 100 CYCLE UPDATE Customers SET PartitionNumber = NEXT VALUE FOR CustomerSequence
DROP SEQUENCE CustomerSequence - C. CREATE SEQUENCE CustomerSequence AS int START WITH 1 INCREMENT BY 1 MINVALUE 1 MAXVALUE 100 UPDATE Customers SET PartitionNumber = NEXT VALUE FOR CustomerSequence + 1 DROP SEQUENCE CustomerSequence
- D. CREATE SEQUENCE CustomerSequence AS int START WITH 0 INCREMENT BY 1 MINVALUE 1 MAXVALUE 100 UPDATE Customers SET PartitionNumber = NEXT VALUE FOR CustomerSequence DROP SEQUENCE CustomerSequence
Correct Answer: B 🗳️
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You use Microsoft SQL Server 2012 to create a stored procedure as shown in the following code segment. (Line numbers are included for reference only.)
The procedure can be called within other transactions. You need to ensure that when the DELETE statement from the HumanResourcesJobCandidate table succeeds, the modification is retained even if the insert into the Audit.Log table fails. Which code segment should you add to line 14?
- A. IF (XACT_STATE ( ) ) = 1
- B. IF (XACT_STATE ( ) ) = 0
- C. IF @@TRANCOUNT = 0
- D. IF @@TRANCOUNT = 1
Correct Answer: A 🗳️
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You administer a Microsoft SQL Server 2012 database. The database uses SQL Server Agent jobs to perform regular FULL and LOG backups. The database uses the FULL recovery model. You plan to perform a bulk import of a very large text file. You need to ensure that the following requirements are met during the bulk operation:
The database transaction log is minimally affected.
The database is online and all user transactions are recoverable.
All transactions are fully recoverable prior to the import.
Which three actions should you perform in sequence? (To answer, move the appropriate actions from the list of actions to the answer area and arrange them in the correct order.)
Build List and Reorder:
Correct Answer:
Explanation:
--Burgos - NO
