Question 658 of 976

Demonstrate the capabilities of Power Pages →mediumMultiple ChoiceObjective-mapped

PL-900 Demonstrate the capabilities of Power Pages Practice Question

This PL-900 practice question tests your understanding of demonstrate the capabilities of power pages. The scenario asks you to isolate a root cause — eliminate options that address a different problem before choosing. After answering, compare your reasoning against the explanation and wrong-answer breakdown below. Once you have made your selection, read the full explanation to reinforce the concept and understand why each distractor is designed to mislead on exam day.

Exhibit

{
  "authentication": {
    "provider": "Microsoft Entra ID",
    "tenantId": "contoso.onmicrosoft.com",
    "clientId": "12345678-1234-1234-1234-123456789abc",
    "redirectUrl": "https://contoso.powerpages.microsoft.com/signin-aad"
  }
}

Refer to the exhibit. A Power Pages site is configured with the given authentication settings. When a user clicks 'Sign In', they are redirected to Microsoft Entra ID, but after successful login, they are redirected back to the site and see an error. What is the most likely cause?

Clue words in this question

Noticing these words before you look at the options changes how you read each choice.

Clue: "most likely"
Why it matters: Probability qualifier — the question wants the most probable cause or outcome, not a guaranteed one. Eliminate low-probability options.

Question 1mediummultiple choice

Full question →

Exhibit

{
  "authentication": {
    "provider": "Microsoft Entra ID",
    "tenantId": "contoso.onmicrosoft.com",
    "clientId": "12345678-1234-1234-1234-123456789abc",
    "redirectUrl": "https://contoso.powerpages.microsoft.com/signin-aad"
  }
}

A
The clientId is invalid.
Why wrong: ClientId format is correct.
B
The tenantId is incorrect.
Why wrong: contoso.onmicrosoft.com is a valid tenant.
C
The redirectUrl is not registered in the Microsoft Entra ID app.
The redirect URL must match the app registration.
D
The site requires HTTPS but is using HTTP.
Why wrong: Power Pages always uses HTTPS.

Full breakdown with real-world context →

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

✓

The redirectUrl is not registered in the Microsoft Entra ID app.

The redirectUrl must be registered as a reply URL in the Microsoft Entra ID app registration. If it is missing, the login fails.

Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.

Answer analysis

Option-by-option breakdown

For each option: why learners choose it and why it is or isn't the right answer here.

✗
The clientId is invalid.
Why it's wrong here
ClientId format is correct.
✗
The tenantId is incorrect.
Why it's wrong here
contoso.onmicrosoft.com is a valid tenant.
✓
The redirectUrl is not registered in the Microsoft Entra ID app.
Why this is correct
The redirect URL must match the app registration.
Clue confirmation
The clue word "most likely" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
✗
The site requires HTTPS but is using HTTP.
Why it's wrong here
Power Pages always uses HTTPS.

Common exam traps

Common exam trap: answer the scenario, not the keyword

Many certification questions include familiar terms but test a specific constraint. Read the exact wording before choosing an answer that is generally true but wrong for this case.

Detailed technical explanation

How to think about this question

This question should be treated as a scenario, not a definition check. Identify the problem, the constraint and the best action. Then compare each option against those facts.

KKey Concepts to Remember

Read the scenario before looking for a memorised answer.
Find the constraint that changes the correct option.
Eliminate answers that are true in general but not in this case.
Use explanations to understand the rule behind the answer.

TExam Day Tips

Underline the problem statement mentally.
Watch for words such as best, first, most likely and least administrative effort.
Review why wrong options are wrong, not only why the correct option is correct.

Key takeaway

Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.

Real-world example

How this comes up in practice

A company's IT admin needs to give a contractor read-only access to production logs without sharing account credentials. Using role-based access control (RBAC) and temporary scoped permissions — not a permanent shared password — is the correct pattern. Questions like this test whether you can apply least-privilege access across cloud identity services.

What to study next

Got this wrong? Here's your next step.

Identify which PL-900 exam domain this question belongs to, then review the specific concept being tested. Practise related questions in that domain and focus on understanding why each wrong answer is tempting — not just why the correct answer is right.

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FAQ

Questions learners often ask

What does this PL-900 question test?

Demonstrate the capabilities of Power Pages — This question tests Demonstrate the capabilities of Power Pages — Read the scenario before looking for a memorised answer..

What is the correct answer to this question?

The correct answer is: The redirectUrl is not registered in the Microsoft Entra ID app. — The redirectUrl must be registered as a reply URL in the Microsoft Entra ID app registration. If it is missing, the login fails.

What should I do if I get this PL-900 question wrong?

Are there clue words in this question I should notice?

Yes — watch for: "most likely". Probability qualifier — the question wants the most probable cause or outcome, not a guaranteed one. Eliminate low-probability options.

What is the key concept behind this question?

Read the scenario before looking for a memorised answer.

About these practice questions

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Last reviewed: Jun 21, 2026

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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.