Microsoft 70-462 시험

Question No : 1

You administer a Microsoft SQL Server database. Users report that a billing application becomes unresponsive during busy times of the day. While investigating, you notice large number of processes taking or waiting for table locks. You suspect that SQL Server is assigning stronger locks to queries. You start a SQL Profiler trace.
Which event should you select?

• A.Deadlock graph
• B.Lock: Escalation
• C.Lock: Timeout
• D.Lock: Deadlock

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Question No : 2

You administer a Microsoft SQL Server database named Orders.
Users report that during peak usage periods, certain operations are taking more time than expected. Your initial analysis suggests that blocking is the cause.
You need to gather more data to be able to determine which processes are being blocked and to identify the root cause.
What should you do?

• A.Schedule a SQL Agent job to run every 60 seconds and insert the results of executing the sp_who2 stored procedure into a table.
• B.Use System Monitor to catch the Lock Wait Time event.
• C.Start a trace using SQL Server Profiler to catch the Lock: Timeout event.
• D.Use sp_configure to set the blocked process threshold. Start a trace using SQL Server Profiler to catch the Blocked Process Report event.

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Question No : 3

You administer a Microsoft SQL Server database that includes a table named dbo.Log. This table contains millions of records about user activity in an application.
Records in dbo.Log that are more than 90 days old are purged nightly. When records are purged, table locks are causing contention with inserts.
You need to be able to modify dbo.Log without requiring any changes to the applications that utilize dbo.Log.
Which type of solution should you use?

• A.Extended events
• B.Columnstore index
• C.Partitioned tables
• D.Read committed snapshot

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Question No : 4

You are the administrator of a Microsoft SQL Server database server.
Some applications consume significant resources. You need to manage the server workload by restricting resource-intensive applications
You need to dynamically limit resource consumption.
What should you do?

• A.Create a new Plan Guide with a Scope Type of sql and define the resource limits for each application.
• B.Enable the Resource Governor, and then configure Resource Pools, Workload Groups, and Classifier Function.
• C.Configure SQL Activity Monitor to define resource limits for each application type.
• D.Configure Extended Events to monitor and restrict resource limits allowed by each application type.

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Explanation:
SQL Server Resource Governor is a feature than you can use to manage SQL Server workload and system resource consumption. Resource Governor enables you to specify limits on the amount of CPU, physical IO, and memory that incoming application requests can use.
The following three concepts are fundamental to understanding and using Resource Governor:
References: https://docs.microsoft.com/en-us/sql/relational-databases/resource­governor/resource-governor

Question No : 5

HOTSPOT
You administer a Microsoft SQL Server 2012 database instance. Other applications run on the server. Some of the applications are throwing errors because of insufficient memory.
You need to ensure that the other applications have sufficient memory.
Which setting should you configure?

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Question No : 6

You administer a Microsoft SQL Server failover cluster.
You need to ensure that a failover occurs when the server diagnostics returns query_processing error.
Which server configuration property should you set?

• A.SqlDumperDumpFlags
• B.FailureConditionLevel
• C.HealthCheckTimeout
• D.SqlDumperDumpPath

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Question No : 7

You administer a Microsoft Azure SQL Database database named Orders.
You need to create a copy of Orders named Orders_Reporting.
Which Transact-SQL command should you use?

• A.BACKUP DATABASE Orders TO DISK = 'D:\Orders.bak'RESTORE DATABASE Orders_Reporting FROM DISK = 'D:\Orders.bak
• B.BACKUP DATABASE Orders TO DISK = 'D:\Orders.bak'CREATE DATABASE Orders_Reporting FROM DISK = 'D:\Orders.bak
• C.CREATE DATABASE Orders_Reporting AS COPY OF Orders
• D.BACKUP DATABASE Orders TO DISK = 'D:\Orders.bak'MIRROR TO DISK = 'Orders_Reporting

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Question No : 8

You administer a Windows 2008 server hosting an instance of Microsoft SQL Server 2012 Standard Edition. The server hosts a database named Orders.
Users report that a query that filters on OrderDate is taking an exceptionally long time. You discover that an index named IX_OrderDate on the CustomerOrder table is heavily fragmented.
You need to improve the performance of the IX_OrderDate index. The index should remain online during the operation.
Which Transact-SQL command should you use?

• A.ALTER INDEX IX_OrderDateON CustomerOrderDISABLE
• B.ALTER INDEX IX_OrderDateON CustomerOrderENABLE
• C.ALTER INDEX IX_OrderDateON CustomerOrderREORGANIZE
• D.ALTER INDEX IX OrderDateON CustomerOrderREBUILD

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Question No : 9

You administer a Microsoft SQL Server 2012 database that contains a table named
AccountTransaction.
You discover that query performance on the table is poor due to fragmentation on the IDX_AccountTransaction_AccountCode non-clustered index.
You need to defragment the index. You also need to ensure that user queries are able to use the index during the defragmenting process.
Which Transact-SQL batch should you use?

• A.ALTER INDEX IDX_AccountTransaction_AccountCodeON AccountTransaction.AccountCode REORGANIZE
• B.ALTER INDEX ALL ON AccountTransaction REBUILD
• C.ALTER INDEX IDX_AccountTransaction_AccountCodeON AccountTransaction.AccountCode REBUILD
• D.CREATE INDEX IDXAccountTransactionAccountCodeON AccountTransaction.AccountCode WITH DROP EXISTING

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Question No : 10

You are a database administrator for a Microsoft SQL Server instance.
You need to ensure that data can be migrated from a production server to two reporting servers with minimal data latency. You also need to ensure that data on the reporting server is always accessible.

• A.Database Snapshot
• B.Log Shipping
• C.Availability Groups
• D.Change Data Capture

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Question No : 11

You administer a Microsoft SQL Server instance. You discover that the SQL Agent Error Log file is rapidly growing in size.
You need to ensure that the SQL Agent Error Log file does not grow rapidly when SQL Server
agent jobs execute.
What should you do?

• A.Execute the sp_cycle_agent_errorlog stored procedure.
• B.Configure event forwarding.
• C.Enable the Auto Shrink option on the master database.
• D.Enable the Auto Shrink option on the msdb database.
• E.Disable the Include execution trace messages feature.

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Question No : 12

You maintain several databases on a 32-bit Microsoft SQL Server 2005 instance on a Windows Server 2008 R2 64-bit server.
You need to migrate the databases to a 64-bit SQL Server 2012 instance on the same server. You also need to ensure that the new Transact-SQL functionality in SQL Server 2012 can be used in the database after the migration.
What should you do? (Each correct answer presents part of the solution. Choose all that apply.)

• A.Perform a side-by-side installation of a 32-bit SQL Server 2012 instance.
• B.Perform a side-by-side installation of a 64-bit SQL Server 2012 instance.
• C.Perform an in-place upgrade to 64-bit SQL Server 2012.
• D.Detach the database from the old instance and attach it to the new instance.
• E.Change the compatibility level of the database.

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Explanation:
Use detach and attach operations to upgrade a SQL Server 2005, SQL Server 2008 or SQL Server 2008 R2 database in SQL Server 2012. After being attached to SQL Server 2012, the database is available immediately and is automatically upgraded.

Question No : 13

You administer a Microsoft SQL Server 2012 database.
You have a SQL Server Agent job instance that runs using the service account. You have a job step within the job that requires elevated permissions. You need to ensure that the job step can run using a different user account.
What should you use?

• A.A notification
• B.A schedule
• C.A job category
• D.A proxy

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Question No : 14

DRAG DROP
You administer a Microsoft SQL Server 2012 server.
You need to install the Power View components on a stand-alone server.
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.)

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Question No : 15

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 implement log shipping of the financial database to another SQL Server 2012 instance. You decide to failover to this secondary database.
You need to ensure that all transactions will be replicated to the secondary database.
Which backup option should you use?

• A.Differential
• B.Transaction Log
• C.FULL
• D.SIMPLE
• E.SKIP
• F.RESTART
• G.STANDBY
• H.CHECKSUM
• I.DBO_ONLY
• J.COPY_ONLY
• K.NORECOVERY
• L.NO_CHECKSUM
• M.CONTINUE_AFTER_ERROR
• N.BULK_LOGGED

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