PL-900 Practice Question: Describe the business value of Microsoft Power Platform
A marketing department wants to create a custom portal where external partners can submit project proposals and track their status. Which Power Platform product should they use?
⚠ Common exam trap
Watch out — candidates often confuse Power Automate's ability to handle form submissions (e.g., via Microsoft Forms or SharePoint) with the need for a dedicated external-facing portal, overlooking that Power Pages is the only option that provides a customizable, authenticated website for external users.
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Power Apps portal (now Power Pages)
Power Apps portals (now Power Pages) is the correct choice because it enables organizations to create low-code, externally facing websites that allow external users—such as partners—to sign in, submit project proposals, and track their status. It integrates with Microsoft Dataverse to store and manage the proposal data, and supports role-based access control to ensure partners only see their own submissions.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Power Automate
Why it's wrong here
Power Automate automates workflows but does not provide a web interface for external users.
- ✓
Power Apps portal (now Power Pages)
Why this is correct
Power Pages enables building external websites with Dataverse integration for partner submissions.
- ✗
Power Virtual Agents
Why it's wrong here
Power Virtual Agents is for chatbots, not for submission portals.
- ✗
Power BI
Why it's wrong here
Power BI is for data visualization, not for interactive portals.
Quick reference
Access Control Model Comparison
| Model | Acronym | Who Controls Access? | Best For |
|---|---|---|---|
| Discretionary Access Control | DAC | Resource owner | Small teams, file shares |
| Mandatory Access Control | MAC | System / security labels | Classified govt / military |
| Role-Based Access Control | RBAC | Administrator (via roles) | Enterprise environments |
| Attribute-Based Access Control | ABAC | Policy engine (user + resource attributes) | Fine-grained, dynamic policies |
| Rule-Based Access Control | RuBAC | System rules / ACLs | Firewall rules, network ACLs |
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JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This PL-900 practice question is part of Courseiva's free Microsoft certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the PL-900 exam.