Download Administering Microsoft SQL Server 2012-2014 Databases.70-462.SelftestTraining.2018-09-19.184q.vcex

Vendor: Microsoft
Exam Code: 70-462
Exam Name: Administering Microsoft SQL Server 2012/2014 Databases
Date: Sep 19, 2018
File Size: 3 MB
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Demo Questions

Question 1
You administer a Microsoft SQL Server database that is used by an application. 
Users of the application report performance issues. 
You need to choose the appropriate tool for performance-tuning of SQL Server databases. 
Which tool or tools should you use? (To answer, drag the appropriate tool or tools to their corresponding task or tasks in the answer area. Each tool may be used once, more than once, or not at all. You may need to drag the split bar between panes or scroll to view content.). 
Correct answer: To work with this question, an Exam Simulator is required.
Explanation:
References:http://msdn.microsoft.com/en-us/library/bb630282.aspxhttp://msdn.microsoft.com/en-us/library/ms191246.aspxhttp://msdn.microsoft.com/en-us/library/ms181091.aspx
References:
http://msdn.microsoft.com/en-us/library/bb630282.aspx
http://msdn.microsoft.com/en-us/library/ms191246.aspx
http://msdn.microsoft.com/en-us/library/ms181091.aspx
Question 2
You administer a Microsoft SQL Server 2012 database. 
You need to ensure that the size of the transaction log file does not exceed 2 GB. 
What should you do?
  1. Execute sp_configure 'max log size', 2G.
  2. Use the ALTER DATABASE...SET LOGFILE command along with the maxsize parameter.
  3. In SQL Server Management Studio, right-click the instance and select Database Settings. Set the maximum size of the file for the transaction log.
  4. In SQL Server Management Studio, right-click the database, select Properties, and then click Files. Open the Transaction log Autogrowth window and set the maximum size of the file.
  5. Use the ALTER DATABASE…AUTO_SHRINK command along with the On parameter.
Correct answer: D
Question 3
You administer a Microsoft SQL Server server. The MSSQLSERVER service uses a domain account named CONTOSO\SQLService. 
You plan to configure Instant File Initialization. 
You need to ensure that Data File Autogrow operations use Instant File Initialization. 
Which two actions should you perform? Each correct answer presents part of the solution.
  1. Restart the SQL Server Agent Service.
  2. Disable snapshot isolation.
  3. Restart the SQL Server Service.
  4. Add the CONTOSO\SQLService account to the Perform Volume Maintenance Tasks local security policy.
  5. Add the CONTOSO\SQLService account to the Server Operators fixed server role.
  6. Enable snapshot isolation.
Correct answer: CD
Explanation:
How To Enable Instant File Initialization 1. Open Local Security Policy and go to Local Policies --> User Rights Assignment.   2. Double click Perform Volume Maintenance Tasks and add your SQL Server database engine service account. 3. Restart the SQL Server service using SQL Server Configuration Manager and this setting should now be enabled. References:http://msdn.microsoft.com/en-us/library/ms175935.aspxhttp://www.mssqltips.com/sqlservertip/2752/effect-of-instant-file-initialization-within-sql-server/
How To Enable Instant File Initialization 
1. Open Local Security Policy and go to Local Policies --> User Rights Assignment. 
  
2. Double click Perform Volume Maintenance Tasks and add your SQL Server database engine service account. 
3. Restart the SQL Server service using SQL Server Configuration Manager and this setting should now be enabled. 
References:
http://msdn.microsoft.com/en-us/library/ms175935.aspx
http://www.mssqltips.com/sqlservertip/2752/effect-of-instant-file-initialization-within-sql-server/
Question 4
You administer a Microsoft SQL Server instance. You use a two-node SQL Server failover cluster. Node B is primary, and Node A is secondary. 
You need to install a security patch on both nodes. 
You need to ensure that the following requirements are met:
  • Both nodes receive the update. 
  • Downtime is minimized. 
  • No data is lost. 
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.)  
Correct answer: To work with this question, an Exam Simulator is required.
Explanation:
Starting with the update to Microsoft SQL Server 2012 Service Pack 1, customers with SQL Server 2012 failover cluster instances can greatly benefit from the fully automated update process provided by Cluster-Aware Updating (CAU). CAU causes minimal down time for SQL Server 2012 client connectivity. While the primary node is being updated, the SQL Server clustered role (also called the resource group) goes through two failovers. The first failover happens before updating the primary node when CAU brings the original primary node into maintenance mode. During the update process on the original primary node, the SQL clustered role is temporarily brought online on a new primary node. The second failover happens once the update process is complete on the original primary node, and CAU fails back the SQL Server clustered role to the original primary node and brings it online. Reference:http://technet.microsoft.com/en-us/library/ms191009.aspxhttp://technet.microsoft.com/en-us/library/ms191295.aspx
Starting with the update to Microsoft SQL Server 2012 Service Pack 1, customers with SQL Server 2012 failover cluster instances can greatly benefit from the fully automated update process provided by Cluster-Aware Updating (CAU). 
CAU causes minimal down time for SQL Server 2012 client connectivity. While the primary node is being updated, the SQL Server clustered role (also called the resource group) goes through two failovers. The first failover happens before updating the primary node when CAU brings the original primary node into maintenance mode. During the update process on the original primary node, the SQL clustered role is temporarily brought online on a new primary node. The second failover happens once the update process is complete on the original primary node, and CAU fails back the SQL Server clustered role to the original primary node and brings it online. 
Reference:
http://technet.microsoft.com/en-us/library/ms191009.aspx
http://technet.microsoft.com/en-us/library/ms191295.aspx
Question 5
You administer a Microsoft SQL Server 2012 database. 
The database contains a Product table created by using the following definition:
  
You need to ensure that the minimum amount of disk space is used to store the data in the Product table. 
What should you do?
  1. Convert all indexes to Column Store indexes.
  2. Implement Unicode Compression.
  3. Implement row-level compression.
  4. Implement page-level compression.
Correct answer: D
Explanation:
References:http://msdn.microsoft.com/en-us/library/cc280449.aspxhttp://msdn.microsoft.com/en-us/library/cc280464.aspxhttp://msdn.microsoft.com/en-us/library/cc280576.aspxhttp://msdn.microsoft.com/en-us/library/ee240835.aspx
References:
http://msdn.microsoft.com/en-us/library/cc280449.aspx
http://msdn.microsoft.com/en-us/library/cc280464.aspx
http://msdn.microsoft.com/en-us/library/cc280576.aspx
http://msdn.microsoft.com/en-us/library/ee240835.aspx
Question 6
You administer a Microsoft SQL Server 2012 instance. After a routine shutdown, the drive that contains tempdb fails. 
You need to be able to start the SQL Server. 
What should you do?
  1. Modify tempdb location in startup parameters.
  2. Start SQL Server in minimal configuration mode.
  3. Start SQL Server in single-user mode.
  4. Configure SQL Server to bypass Windows application logging.
Correct answer: B
Explanation:
References:http://msdn.microsoft.com/en-us/library/ms186400.aspxhttp://msdn.microsoft.com/en-us/library/ms345408.aspx
References:
http://msdn.microsoft.com/en-us/library/ms186400.aspx
http://msdn.microsoft.com/en-us/library/ms345408.aspx
Question 7
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?
  1. Use the SQL Server default instance and configure an affinity mask.
  2. Install a new named SQL Server instance on the server.
  3. Use the SQL Server default instance and enable Contained Databases.
  4. Install a new default SQL Server instance on the server.
Correct answer: B
Question 8
You administer a Microsoft SQL Server 2012 Enterprise Edition server that uses 64 cores. 
You discover performance issues when large amounts of data are written to tables under heavy system load. 
You need to limit the number of cores that handle I/O. 
What should you configure?
  1. Processor affinity
  2. Lightweight pooling
  3. Max worker threads
  4. I/O affinity
Correct answer: D
Explanation:
Reference:http://msdn.microsoft.com/en-us/library/ms189629.aspx
Reference:
http://msdn.microsoft.com/en-us/library/ms189629.aspx
Question 9
You administer a Microsoft SQL Server 2012 instance that contains a financial database hosted on a storage area network (SAN). 
The financial database has the following characteristics:
  • A data file of 2 terabytes is located on a dedicated LUN (drive D). 
  • A transaction log of 10 GB is located on a dedicated LUN (drive E). 
  • Drive D has 1 terabyte of free disk space. 
  • Drive E has 5 GB of free disk space. 
The database is continually modified by users during business hours from Monday through Friday between 09:00 hours and 17:00 hours. Five percent of the existing data is modified each day.
The Finance department loads large CSV files into a number of tables each business day at 11:15 hours and 15:15 hours by using the BCP or BULK INSERT commands. Each data load adds 3 GB of data to the database.
These data load operations must occur in the minimum amount of time. 
A full database backup is performed every Sunday at 10:00 hours. Backup operations will be performed every two hours (11:00, 13:00, 15:00, and 17:00) during business hours.
You need to ensure that your backup will continue if any invalid checksum is encountered. 
Which backup option should you use?
  1. STANDBY
  2. Differential
  3. FULL
  4. CHECKSUM
  5. BULK_LOGGED
  6. CONTINUE_AFTER_ERROR
  7. SIMPLE
  8. DBO_ONLY
  9. COPY_ONLY
  10. SKIP
  11. RESTART
  12. Transaction log
  13. NO_CHECKSUM
  14. NORECOVERY
Correct answer: F
Explanation:
References:http://msdn.microsoft.com/en-us/library/ms186865.aspxhttp://msdn.microsoft.com/en-us/library/microsoft.sqlserver.management.smo.backuprestorebase.continueaftererror.aspx
References:
http://msdn.microsoft.com/en-us/library/ms186865.aspx
http://msdn.microsoft.com/en-us/library/microsoft.sqlserver.management.smo.backuprestorebase.continueaftererror.aspx
Question 10
You administer a Microsoft SQL Server instance that contains a financial database hosted on a storage area network (SAN). 
The financial database has the following characteristics:
  • A data file of 2 terabytes is located on a dedicated LUN (drive D). 
  • A transaction log of 10 GB is located on a dedicated LUN (drive E). 
  • Drive D has 1 terabyte of free disk space. 
  • Drive E has 5 GB of free disk space. 
The database is continually modified by users during business hours from Monday through Friday between 09:00 hours and 17:00 hours. Five percent of the existing data is modified each day.
The Finance department loads large CSV files into a number of tables each business day at 11:15 hours and 15:15 hours by using the BCP or BULK INSERT commands. Each data load adds 3 GB of data to the database.
These data load operations must occur in the minimum amount of time. 
A full database backup is performed every Sunday at 10:00 hours. Backup operations will be performed every two hours (11:00, 13:00, 15:00, and 17:00) during business hours.
On Wednesday at 10:00 hours, the development team requests you to refresh the database on a development server by using the most recent version.
You need to perform a full database backup that will be restored on the development server. 
Which backup option should you use?
  1. NORECOVERY
  2. FULL
  3. NO_CHECKSUM
  4. CHECKSUM
  5. Differential
  6. 8ULK_LOGGED
  7. STANDBY
  8. RESTART
  9. SKIP
  10. Transaction log
  11. DBO ONLY
  12. COPY_ONLY
  13. SIMPLE
  14. CONTINUE AFTER ERROR
Correct answer: L
Explanation:
A copy-only backup is a SQL Server backup that is independent of the sequence of conventional SQL Server backups. Usually, taking a backup changes the database and affects how later backups are restored. However, occasionally, it is useful to take a backup for a special purpose without affecting the overall backup and restore procedures for the database. Copy-only backups serve this purpose. Incorrect:Not J:A transaction log update would not be a good option after a huge amount of data has been updated with the BULK INSERT command.References: https://docs.microsoft.com/en-us/sql/relational-databases/backup-restore/copy-only-backups-sql-server
A copy-only backup is a SQL Server backup that is independent of the sequence of conventional SQL Server backups. Usually, taking a backup changes the database and affects how later backups are restored. However, occasionally, it is useful to take a backup for a special purpose without affecting the overall backup and restore procedures for the database. Copy-only backups serve this purpose. 
Incorrect:
Not J:A transaction log update would not be a good option after a huge amount of data has been updated with the BULK INSERT command.
References: https://docs.microsoft.com/en-us/sql/relational-databases/backup-restore/copy-only-backups-sql-server
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