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Hard Difficulty Questions

Practise Microsoft Power Platform Fundamentals PL-900 practice questions — original exam-style scenarios covering every exam domain, with detailed explanations, wrong-answer analysis, and common exam traps.

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20
scenario questions
PL-900
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Microsoft
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Scenario guide

How to approach hard difficulty questions

These are the questions most candidates get wrong. They require connecting multiple concepts, reading tricky output, or knowing edge-case behaviour that isn't on most study cards. Practising them trains you to operate under uncertainty — a necessary skill on the real exam.

Quick answer

Hard Difficulty Questions questions test whether you can apply the concept in context, not just recognise a definition.

How the topic appears in realistic exam-style scenarios.

Which detail in the question changes the correct answer.

How to eliminate plausible but wrong options.

How to connect the question back to the wider exam objective.

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Practice set

Practice scenarios

Question 1hardmultiple choice
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A Power Automate flow processes incoming emails from a shared mailbox. Recently, some emails are being missed. You suspect the flow is hitting a service protection limit. Which action should you take to diagnose the issue?

Question 2hardmulti select
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Which THREE capabilities are provided by Microsoft Dataverse? (Select three.)

Question 3hardmultiple choice
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A company wants to build a custom copilot for internal IT support. The copilot should answer common questions and escalate to a human agent if needed. Which component should they use?

Question 4hardmultiple choice
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A Power Apps canvas app that uses Dataverse is being migrated from a development environment to a production environment. After migration, the app fails to load data. The developer checks the connection and finds that the Dataverse connector is pointing to the development environment. What should the developer do?

Question 5hardmultiple choice
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A manufacturing company uses Power Apps to manage inventory. The app includes a main screen that displays a gallery of inventory items, a detail screen for editing item properties, and a form screen for adding new items. The app uses a SharePoint list as the data source. Recently, users reported that when they edit an item on the detail screen and save, the changes do not appear in the gallery until they manually refresh the app. Additionally, some users occasionally encounter a 'Delegation warning' when filtering the gallery by item name. The app is shared with 200 users, and performance is becoming an issue. You need to resolve these issues. Which action should you take?

Question 6hardmultiple choice
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A company has multiple Power Platform environments: Development, Test, and Production. They want to ensure that changes to a Power Automate cloud flow are validated before reaching production. Which approach should they use?

Question 7hardmultiple choice
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A healthcare organization is deploying Power Apps for patient intake. They must ensure that the app complies with HIPAA regulations. Which feature should they use to protect patient data at rest?

Question 8hardmulti select
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A global organization uses Power Platform to manage IT support tickets. They have the following requirements: 1) Tickets must be routed to the appropriate team based on category. 2) The routing logic must be easy to update by non-developers. 3) All ticket data must be stored in a secure, auditable data source. Which THREE Power Platform components should they use?

Question 9hardmultiple choice
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A healthcare organization uses Power Apps to manage patient intake forms. The app is built on Dataverse and includes a field for medical record number (MRN) that must be unique. The app currently uses a text input, but duplicate MRNs have been entered. What is the best way to enforce uniqueness at the data layer?

Question 10hardmultiple choice
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A company uses Microsoft Copilot Studio to create a custom copilot. The copilot needs to access customer data stored in a Dataverse table that contains sensitive information. The compliance team requires that data accessed by the copilot must be audited. What should the admin configure?

Question 11hardmultiple choice
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You are a Power Platform consultant for a large university that wants to build a public-facing Power Pages site for alumni. The site must allow alumni to register, update their profile, view upcoming events, and donate to the university. The university uses Microsoft Entra ID for staff and students, but alumni will use their personal email accounts to register. The security team requires that all data transmitted between the browser and the portal be encrypted. Additionally, the alumni relations team needs to send targeted emails to alumni based on their interests, which are captured during registration. The development team wants to use a low-code approach to integrate the donation functionality, which should process payments through a third-party payment gateway. You need to design the solution. Which of the following is the best approach?

Question 12hardmultiple choice
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A canvas app uses a Patch function to update a SharePoint list item. The update fails silently without error. What is the most likely cause?

Question 13hardmulti select
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Which TWO are best practices for designing Power Automate flows in a production environment? (Select TWO.)

Question 14hardmultiple choice
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A model-driven app has a business rule that sets the 'Priority' field to 'High' when the 'Request Type' is 'Urgent'. However, the rule does not fire when the request type is changed from the form. What is the most likely cause?

Question 15hardmulti select
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Contoso, Ltd. is a multinational company with a global sales team. They use Microsoft Power Apps to build a model-driven app for managing customer accounts and opportunities. The app uses Microsoft Dataverse as the data source. The sales team accesses the app on mobile devices while traveling. Recently, users have reported that the app is slow when loading large numbers of opportunities. The app has a custom page that displays a list of all opportunities without any filters. The page uses a gallery that loads all records at once. The app also uses several custom connectors to external systems, but the slowness is primarily observed when loading the opportunities list. The IT team has confirmed that the Dataverse environment is in the same region as the users, and network latency is not an issue. They need to improve the performance of the app. Which two actions should the IT team take? (Choose two.)

Question 16hardmultiple choice
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Refer to the exhibit. You are troubleshooting a Power Automate flow that fails when trying to access an on-premises SQL Server database. The flow uses the SQL connector. Based on the exhibit, what is the most likely cause of the failure?

Exhibit

{
  "connections": [
    {
      "name": "shared_office365",
      "id": "/providers/Microsoft.PowerApps/apis/shared_office365"
    },
    {
      "name": "shared_sql",
      "id": "/providers/Microsoft.PowerApps/apis/shared_sql"
    }
  ],
  "environment": {
    "name": "Production",
    "type": "Production",
    "region": "eastus"
  }
}
Question 17hardmultiple choice
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You are a Power Platform administrator at Contoso Ltd. The company uses a Power Automate flow that monitors a SharePoint list for new items. When a new item is added, the flow retrieves data from an external CRM system via an HTTP request, then updates a second SharePoint list. Recently, the flow has been failing with a '400 Bad Request' error from the HTTP action. The CRM API endpoint and authentication are correct. The flow works for some items but fails for others. You need to identify the root cause and fix the flow. What should you do?

Question 18hardmultiple choice
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An administrator reviews the JSON output from a Power Platform environment. What should the administrator be concerned about based on the data?

Exhibit

Refer to the exhibit.

{
  "policy": {
    "environment": {
      "id": "Environment1",
      "name": "Production Environment",
      "provisioningState": "Succeeded",
      "properties": {
        "dataverse": {
          "url": "https://org123.crm.dynamics.com",
          "adminEmail": "admin@contoso.com",
          "organizationName": "Contoso",
          "storageCapacityUsedGB": 15.5,
          "apiRateLimits": {
            "maxRequestsPerMinute": 60000,
            "currentUsagePercentage": 85
          }
        }
      }
    }
  }
}
Question 19hardmultiple choice
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You are troubleshooting a canvas app that loads slowly. The app uses over 50 data sources and many formulas. Which action is most likely to improve performance?

Question 20hardmultiple choice
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You are designing a Power Automate flow that processes approvals for expense reports. If an expense exceeds $5,000, the flow must require approval from both the manager and the finance director. If the expense is between $1,000 and $5,000, only manager approval is needed. For expenses under $1,000, no approval is required. Which control structures should you use?

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