PL 400 Plugin Development 2

Question 1

Which interface must a Dataverse plugin class implement?

Accepted Answer

IPlugin

Answer

Every Dataverse plugin must implement the IPlugin interface, which exposes the Execute method.

Question 2

What is the purpose of the ITracingService in plugin development?

Accepted Answer

Writing diagnostic messages retrievable via Plugin Trace Log

Answer

ITracingService.Trace() writes messages to the Plugin Trace Log, which developers can view in the maker portal for debugging.

Question 3

A plugin registered in Sandbox (isolation mode) attempts to call an external web service. What happens?

Accepted Answer

The call always fails with a SecurityException

Answer

Sandbox-isolated plugins cannot make outbound network calls; they throw a SecurityException when external HTTP access is attempted.

Question 4

When registering a plugin step, what does setting the Execution Order to 1 versus 2 control?

Accepted Answer

The relative firing sequence when multiple plugins target the same event

Answer

Execution Order determines the sequence in which multiple plugins registered on the same message/stage fire, with lower numbers firing first.

Question 5

Which method on IOrganizationService should you use to run multiple operations atomically within a plugin?

Accepted Answer

Execute with an ExecuteTransactionRequest

Answer

ExecuteTransactionRequest wraps multiple operations so they all succeed or roll back together within a single transaction.

(PL 400) Microsoft Certified Power Platform Developer Associate Practice Test