AB-410 Practice Test 3 — 30 Questions

Question 1

Which THREE of the following are true about Dataverse 'Business Rules'? (Choose THREE)

Accepted Answer

They run on the client side. Business rules are for form-level logic, client-side, and validation.

Answer

They can only be used in Power Automate

Answer

They can trigger external APIs

Question 2

Which of the following is a benefit of using Solutions for your Power Automate flows?

Accepted Answer

They allow for Application Lifecycle Management (ALM).. Solutions are the required mechanism for moving flows and other components between environments (ALM).

Answer

They bypass the need for connectors.

Answer

They allow flows to run without a license.

Answer

They increase the flow execution speed.

Question 3

Which THREE items are considered 'Components' in a Power Platform Solution?

Accepted Answer

Cloud flows. Flows, Canvas Apps, and Environment Variables are standard components of a solution.

Answer

User passwords.

Answer

Browser bookmarks.

Question 4

You need to enforce data consistency across forms in a Model-driven app by hiding a field based on the value of another field. Which mechanism should you use?

Accepted Answer

Business Rules. Business Rules are the standard, declarative way to apply logic across forms and server-side in Dataverse.

Answer

Power Automate Cloud Flows

Answer

JavaScript Web Resources

Answer

Calculated Columns

Question 5

Which THREE items are considered default table behaviors?

Accepted Answer

Record ownership. Dataverse tables support auditing, record ownership, and connections by default.

Answer

External API exposure

Answer

Form-based workflows

Question 6

You have a business rule that sets a field value when a form loads. Users report that the value is not being updated when they change the trigger field. What is the most likely cause?

Accepted Answer

The business rule is set to Entity scope only.. Business rules run in the 'Entity' scope for server-side updates, but must be set to 'All Forms' or a specific form scope to execute client-side logic on the form.

Answer

The business rule is deactivated.

Answer

The field is read-only.

Answer

The business rule scope is set to Global.

Question 7

You are orchestrating multiple agents. Agent A needs to pass a JSON object to Agent B. What is the most efficient way to share data between them?

Accepted Answer

Use global variables. Global variables or context variables are the standard way to pass information between topics/agents.

Answer

Save to a Dataverse table

Answer

Use the Send an email action

Answer

Use an environment variable

Question 8

You are using Copilot in Power Automate to build a flow. How do you refine the generated flow?

Accepted Answer

Use natural language prompts. You provide natural language follow-up prompts to the Copilot to modify the flow's structure.

Answer

Restart the session

Answer

Edit the JSON code directly

Answer

Manually delete all actions

Question 9

A developer needs to ensure that a custom field value is validated before the record is saved to the database. Where should this logic be placed?

Accepted Answer

Synchronous Plugin. Synchronous plugins or real-time workflows run during the data pipeline and can block saves.

Answer

Power Automate Cloud Flow

Answer

Client-side JavaScript

Answer

Business Rule on the form

Question 10

What is a 'connector' in Power Automate?

Accepted Answer

A wrapper for an API. Connectors are wrappers around APIs that allow Power Automate to talk to services like SharePoint, SQL, etc.

Answer

A programming language

Answer

A user interface element

Answer

A database table

Question 11

You are troubleshooting a failed flow run. Where do you find the specific input and output data for each action?

Accepted Answer

In the Run history. The 'Run history' provides a detailed view of every action's input and output.

Answer

In the Flow Designer

Answer

In the environment logs

Answer

In the Solution history

Question 12

Which THREE of the following are true about Copilot Studio agents? (Choose THREE)

Accepted Answer

They support multi-turn conversations. Agents use topics, entities, and can connect to data.

Answer

They require a separate server

Answer

They are always built with Python

Question 13

A Power Automate flow is failing because an AI-powered extraction step occasionally returns null values. Which expression should you use to provide a default value of 'Unknown'?

Accepted Answer

coalesce(outputs('AI_Step')?['result'], 'Unknown'). The coalesce function returns the first non-null argument, which is ideal for handling nulls from AI outputs.

Answer

if(empty(outputs('AI_Step')), 'Unknown', outputs('AI_Step'))

Answer

default(outputs('AI_Step'), 'Unknown')

Answer

replace(null, 'Unknown')

Question 14

A user reports that their Copilot is hallucinating. Which setting should you adjust to reduce this?

Accepted Answer

Adjust the moderation and grounding settings. Lowering the moderation or strictness settings (or providing better grounding context) helps reduce hallucinations.

Answer

Increase the conversation boost

Answer

Change the bot's name

Answer

Add more topics

Question 15

What is the primary function of an AI Builder 'Prebuilt' model?

Accepted Answer

To provide out-of-the-box AI functionality. Prebuilt models are ready-to-use models trained by Microsoft for common tasks without needing custom training data.

Answer

To store training datasets

Answer

To customize the model's architecture

Answer

To train on your own custom data

Question 16

You are configuring a Power Automate flow that uses a Premium connector. What is a requirement for this flow to be shared with other users?

Accepted Answer

The user must have a Power Apps or Power Automate Premium license. Users who run a flow that uses a premium connector must have an appropriate license, or the flow must be shared in a specific way that allows them to run it.

Answer

The flow must be a desktop flow

Answer

The flow must be moved to a different environment

Answer

The user must be a co-owner

Question 17

You need to store sensitive AI prompts. Where is the most secure place to define these?

Accepted Answer

In environment variables. Environment variables within a solution allow you to manage secrets or configuration safely.

Answer

As comments in the flow

Answer

Hardcoded in the flow

Answer

In a text file on a shared drive

Question 18

You want to use AI Builder to predict whether a customer will churn. You have a Dataverse table with historical churn data. What is the first step?

Accepted Answer

Create a Prediction model in AI Builder.. Creating a Prediction model in AI Builder requires selecting the Dataverse table and the specific column (outcome) to predict.

Answer

Create an object detection model.

Answer

Export the data to Excel.

Answer

Train a model in the AI Hub.

Question 19

You are creating a Copilot in Copilot Studio. Which TWO features help ensure that the Copilot provides accurate and relevant answers?

Accepted Answer

Adding Knowledge sources (e.g., SharePoint, Website).. Knowledge sources and prompt instructions are the primary ways to ground the Copilot in relevant data.

Answer

Increasing the model temperature to 1.0.

Answer

Disabling authentication.

Answer

Using only custom-coded plugins.

Question 20

You need to send an email with an attachment that is generated by a flow. The file size is 25MB. Why might this fail?

Accepted Answer

Email message size limits are exceeded. Office 365 Outlook connector has a default limit for message size (usually 10-20MB depending on the environment).

Answer

The file type is not supported

Answer

Dataverse doesn't store files

Answer

The flow trigger is too fast