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Free DP-300 Exam Braindumps (page: 25)

Page 24 of 76
PDF with 369 Questions

You have an Azure Data Factory pipeline that is triggered hourly. The pipeline has had 100% success for the past seven days.

The pipeline execution fails, and two retries that occur 15 minutes apart also fail. The third failure returns the following error.


What is a possible cause of the error?

  1. From 06:00 to 07:00 on January 10, 2021, there was no data in wwi/BIKES/CARBON.
  2. The parameter used to generate year=2021/month=01/day=10/hour=06 was incorrect.
  3. From 06:00 to 07:00 on January 10, 2021, the file format of data in wwi/BIKES/CARBON was incorrect.
  4. The pipeline was triggered too early.

Answer(s): B

Explanation:

A file is missing.



HOTSPOT (Drag and Drop is not supported)
You have an Azure SQL database.
You are reviewing a slow performing query as shown in the following exhibit.

Use the drop-down menus to select the answer choice that completes each statement based on the information presented in the graphic.

NOTE: Each correct selection is worth one point.
Hot Area:

  1. See Explanation section for answer.

Answer(s): A

Explanation:


Reference:

https://docs.microsoft.com/en-us/sql/relational-databases/performance/live-query-statistics?view=sql-server-ver15



You have an Azure SQL managed instance.

You need to gather the last execution of a query plan and its runtime statistics. The solution must minimize the impact on currently running queries.

What should you do?

  1. Generate an estimated execution plan.
  2. Generate an actual execution plan.
  3. Run sys.dm_exec_query_plan_stats.
  4. Generate Live Query Statistics.

Answer(s): C


Reference:

https://docs.microsoft.com/en-us/sql/relational-databases/system-dynamic-management-views/sys-dm-exec-query-plan-stats-transact-sql?view=sql-server-ver15



HOTSPOT (Drag and Drop is not supported)
You have an Azure SQL database named db1 on a server named server1. You use Query Performance Insight to monitor db1.

You need to modify the Query Store configuration to ensure that performance monitoring data is available as soon as possible.

Which configuration setting should you modify and which value should you configure? To answer, select the appropriate options in the answer area.

NOTE: Each correct selection is worth one point.
Hot Area:

  1. See Explanation section for answer.

Answer(s): A

Explanation:






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