The correct answer is emails with 'Invoice' in the subject line. This is because the Power Automate trigger configuration includes a subjectFilter parameter set to 'Invoice', which instructs the flow to fire only when a new email’s subject contains that exact string, regardless of attachments or importance. On the Microsoft Power Platform Fundamentals PL-900 exam, this concept tests your understanding of trigger conditions and how filters narrow automation scope—a common trap is confusing subjectFilter with attachment-based triggers, which are controlled by separate boolean fields like includeAttachments and onlyWithAttachments. Remember the memory tip: “Subject filter is a string match, not a checkbox.”
PL-900 Practice Question: Demonstrate the capabilities of Power Automate
This PL-900 practice question tests your understanding of demonstrate the capabilities of power automate. This is a configuration task: choose the command set that satisfies every stated requirement. Small differences — like 'secret' vs 'password' or 'transport input ssh' vs 'all' — change whether the answer is correct. 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.
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Emails with 'Invoice' in the subject line
Option D is correct because the subjectFilter requires 'Invoice' in the subject. Option A is wrong because includeAttachments is false. Option B is wrong because onlyWithAttachments is false. Option C is wrong because importance is 'Any'.
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.
✗
Any email with an attachment
Why it's wrong here
includeAttachments is false; attachments not required.
✓
Emails with 'Invoice' in the subject line
Why this is correct
subjectFilter is set to 'Invoice'.
Related concept
Read the scenario before looking for a memorised answer.
✗
Emails marked as high importance
Why it's wrong here
importance is 'Any', so any importance.
✗
Any email with or without attachments
Why it's wrong here
onlyWithAttachments is false, but subjectFilter still applies.
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 cloud solutions architect for a retail company is evaluating services for a new workload. The correct answer here reflects best practice for the specific scenario described — not a general cloud recommendation. Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option. Cloud exam questions reward reading the constraint carefully: the same technology can be right or wrong depending on the use case.
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.
Demonstrate the capabilities of Power Automate — This question tests Demonstrate the capabilities of Power Automate — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Emails with 'Invoice' in the subject line — Option D is correct because the subjectFilter requires 'Invoice' in the subject. Option A is wrong because includeAttachments is false. Option B is wrong because onlyWithAttachments is false. Option C is wrong because importance is 'Any'.
What should I do if I get this PL-900 question wrong?
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.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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Question Discussion
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