70-462 Exam
How to pass books for 70-462 in Aug 2021
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2021 Aug latest 70-462 exam dumps:
Q31. You administer a Microsoft SQL Server 2012 server. One of the databases on the server supports a highly active OLTP application.
Users report abnormally long wait times when they submit data into the application.
You need to identify which queries are taking longer than 1 second to run over an extended period of time.
What should you do?
A. use SQL Profiler to trace all queries that are processing on the server. Filter queries that have a Duration value of more than 1,000.
B. Use sp_configure to set a value for blocked process threshold. Create an extended event session.
C. Use the Job Activity monitor to review all processes that are actively running. Review the Job History to find out the duration of each step.
D. Run the sp_who command from a query window.
E. Run the DBCC TRACEON 1222 command from a query window and review the SQL Server event log.
Answer: E
Q32. You administer a Microsoft SQL Server 2012 database that contains a table named OrderDetail.
You discover that the NCI_OrderDetail_CustomerID non-clustered index is fragmented.
You need to reduce fragmentation. You need to achieve this goal without taking the index offline.
Which Transact-SQL batch should you use?
A. CREATE INDEX NCI_OrderDetail_CustomerID ON OrderDetail.CustomerID WITH DROP EXISTING
B. ALTER INDEX NCI_OrderDetail_CustomerID ON OrderDetail.CustomerID REORGANIZE
C. ALTER INDEX ALL ON OrderDetail REBUILD
D. ALTER INDEX NCI_OrderDetail_CustomerID ON OrderDetail.CustomerID REBUILD
Answer: B
Q33. You administer a Microsoft SQL Server 2012 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. Start a trace using SQL Server Profiler to catch the Lock: Deadlock event.
B. Use sp_configure to set the blocked process threshold. Start a trace using SQL Server Profiler to catch the Blocked Process Report event.
C. Schedule a SQL Agent job to run every 60 seconds and insert the results of executing the sys.dm_os_wait_stats DMV into a table.
D. Use System Monitor to catch the Lock Waits/sec event.
Answer: B
Q34. You develop a Microsoft SQL Server 2012 database that contains a heap named OrdersHistoncal.
You write the following Transact-SQL query:
INSERT INTO OrdersHistorical
SELECT * FROM CompletedOrders
You need to optimize transaction logging and locking for the statement. Which table hint should you use?
A. HOLDLOCK
B. ROWLOCK
C. XLOCK
D. UPDLOCK
E. TABLOCK
Answer: E
Q35. You administer a Microsoft SQL Server 2012 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. SqlOumperDumpFlags
B. FailureConditionLevel
C. HealthCheckTimeout
D. SqlDumperDumpPath
Answer: B
Replace microsoft sql 70-462:
Q36. 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. SQL user without login
B. User mapped to an asymmetric key
C. Domain user
D. login mapped to a virtual account
Answer: C
Q37. You use Microsoft SQL Server 2012 to develop a database application. You need to implement a computed column that references a lookup table by using an INNER JOIN against another table.
What should you do?
A. Reference a user-defined function within the computed column.
B. Create a BEFORE trigger that maintains the state of the computed column.
C. Add a default constraint to the computed column that implements hard-coded values.
D. Add a default constraint to the computed column that implements hard-coded CASE statements.
Answer: A
Q38. 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?
A. Modify tempdb location in startup parameters.
B. Start SQL Server in minimal configuration mode.
C. Start SQL Server in single-user mode.
D. Configure SQL Server to bypass Windows application logging.
Answer: B
Q39. You administer a Microsoft SQL Server 2012 instance that has several SQL Server Agent jobs configured.
When SQL Server Agent jobs fail, the error messages returned by the job steps do not provide the required detail.
The following error message is an example error message:
"The job failed. The Job was invoked by User CONTOSO\ServiceAccount. The last step to run was step 1 (Subplan_1)."
You need to ensure that all available details of the job step failures for SQL Server Agent jobs are retained.
What should you do?
A. Configure output files.
B. Expand agent logging to include information from all events.
C. Disable the Limit size of job history log feature.
D. Configure event forwarding.
Answer: B
Q40. You administer a Microsoft SQL Server 2012 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
Answer: C