Two users simultaneously update the same contact record's phone number using a custom canvas app. The last write overwrites the first. The business requires that users be notified if the record changed since they loaded it. What should you implement?

Retrieve the record again immediately before updating

Use the Organization service's UpdateRequest with a concurrency token

Use a transaction that locks the record during the update

Include the If-Match header with the original ETag on the update request

A developer needs to create a parent account and multiple child contacts in a single transaction. The developer is using the Organization service. The transaction must also include a custom action that updates a counter. What should they do?

Use ExecuteMultipleRequest with all operations

Use ExecuteTransactionRequest and include the custom action as an OrganizationRequest in the transaction

Use the Web API $batch with atomicity

Perform the operations sequentially and manually roll back on failure

A developer is building a custom web app that displays a grid of accounts. The grid supports server-side paging and sorting. The developer wants to minimize the amount of data transferred to the client. What should they do?

Use a FetchXML query with a page attribute

Retrieve all accounts and perform paging and sorting on the client

Use the Organization service's RetrieveMultipleRequest with a QueryExpression that includes a PageInfo

Use the Web API with $top, $skip, $orderby, and $select

Which pattern is recommended for handling transient failures and rate limits in API calls?

Exponential backoff with retries

Fixed delay retries with no maximum attempts

Microsoft Certified:Power Platform Developer Associate

Domain 5Objective 3

Use Platform APIs PL-400 Practice Questions (Page 2)

Part of the Extend the platform domain, which accounts for 30–35% of the PL-400 exam. Microsoft does not publish an official question count, but from its 100-minute exam (~40–65 total, ~12–23 in this domain), expect 2–5 from this objective — we provide 42 practice questions to prepare you well beyond it. (estimate)

42questions here

9free pages

8concepts

30–35%of the exam

Questions 6–10

6application · medium
Two users simultaneously update the same contact record's phone number using a custom canvas app. The last write overwrites the first. The business requires that users be notified if the record changed since they loaded it. What should you implement?
Select an answer first
7expert · hard
A developer needs to create a parent account and multiple child contacts in a single transaction. The developer is using the Organization service. The transaction must also include a custom action that updates a counter. What should they do?
Select an answer first
8expert · hard
A developer is building a custom web app that displays a grid of accounts. The grid supports server-side paging and sorting. The developer wants to minimize the amount of data transferred to the client. What should they do?
Select an answer first
9foundation · easy
Which pattern is recommended for handling transient failures and rate limits in API calls?
Select an answer first
10foundation · easy
Which class in the Organization service allows you to execute multiple operations in a single transaction?
Select an answer first

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