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Exam PL-400 topic 5 question 29 discussion

Actual exam question from Microsoft's PL-400
Question #: 29
Topic #: 5
[All PL-400 Questions]

You are developing a Power Apps app to manage records in the Account table in Microsoft Dataverse.
You must configure a Web API request to retrieve changes from the table.
You need to configure the preference header for the API request.
What should you include in the request header?

  • A. odata.context
  • B. odata.deltaLink
  • C. odata.track-changes
  • D. odata.nextLink
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Suggested Answer: C 🗳️
by rogrod at Sept. 15, 2022, 10:05 p.m.

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rogrod
Highly Voted 1 year, 9 months ago
Correct answer for the Request header is: C: odata.track-changes The "odata.deltaLink" is something returned by the request https://docs.microsoft.com/en-us/power-apps/developer/data-platform/use-change-tracking-synchronize-data-external-systems#retrieve-changes-in-tables-using-web-api-example
upvoted 21 times
osx
5 months, 2 weeks ago
yes. used in header GET [Organization URI]/api/data/v9.0/accounts?$select=name,accountnumber,telephone1,fax HTTP/1.1 Prefer: odata.track-changes OData-Version: 4.0 Content-Type: application/json
upvoted 1 times
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Juan0414
Most Recent 3 months, 3 weeks ago
Selected Answer: C
https://learn.microsoft.com/en-us/power-apps/developer/data-platform/use-change-tracking-synchronize-data-external-systems#retrieve-changes-for-a-table-using-the-web-api
upvoted 1 times
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At09
8 months, 4 weeks ago
C .
upvoted 1 times
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oleav
1 year, 2 months ago
Selected Answer: C
correct, more in @rogrod post
upvoted 1 times
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powerrage
1 year, 4 months ago
Selected Answer: C
Correct is C. Changes made in tables can be tracked using Web API requests by adding the Prefer: odata.track-changes header. This header requests that a delta link be returned which can subsequently be used to retrieve table changes.
upvoted 2 times
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DimpleG
1 year, 5 months ago
Selected Answer: C
You should include the "odata.track-changes" preference header in the request header to retrieve changes from the table via the Web API request. This header tells the server to return a delta link header in the response which can be used to retrieve subsequent sets of changes.
upvoted 2 times
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SashM
1 year, 5 months ago
Selected Answer: C
GET [Organization URI]/api/data/v9.0/accounts?$select=name,accountnumber,telephone1,fax HTTP/1.1 Prefer: odata.track-changes OData-Version: 4.0 Content-Type: application/json https://learn.microsoft.com/en-us/power-apps/developer/data-platform/use-change-tracking-synchronize-data-external-systems#retrieve-changes-in-tables-using-web-api-example
upvoted 4 times
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vpatel1826
1 year, 6 months ago
Correct answer C
upvoted 4 times
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