PL-900 Demonstrate capabilities of Power BI Practice Question
This PL-900 practice question tests your understanding of demonstrate capabilities of power bi. 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.
A company has a Power BI dataset that refreshes daily. Users report that the report shows stale data from two days ago. 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.
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
The scheduled refresh has failed for the past two days
The most likely cause is that the scheduled refresh has failed for the past two days. Power BI datasets that rely on scheduled refresh must complete successfully to update the data; if the refresh fails, the dataset retains the last successful refresh’s data, which in this case is from two days ago. Users seeing stale data from two days ago directly indicates that the refresh has not succeeded since then.
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 dataset uses DirectQuery mode
Why it's wrong here
DirectQuery queries the source live, so data is always current.
✗
Incremental refresh is configured incorrectly
Why it's wrong here
Incorrect incremental refresh might cause missing data but not overall staleness.
✓
The scheduled refresh has failed for the past two days
Why this is correct
A failed refresh means the data remains from the last successful refresh, causing staleness.
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 on-premises data gateway is offline
Why it's wrong here
If the gateway is offline, the refresh would fail, but the question says refresh occurs daily; the issue is stale data, not failure.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates may confuse a failed scheduled refresh with gateway issues or DirectQuery mode, but the key clue is the specific timeframe of two days of stale data, which points directly to repeated refresh failures rather than a connectivity or configuration problem.
Detailed technical explanation
How to think about this question
Power BI scheduled refresh uses the Power BI service to connect to data sources via the on-premises data gateway (if needed) and execute refresh operations. When a refresh fails, the dataset retains the previous snapshot; the failure could be due to source unavailability, authentication expiry, or gateway connectivity issues. In real-world scenarios, monitoring refresh history in the Power BI admin portal is critical to detect such failures before users report stale data.
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.
TExam Day Tips
→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 exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Demonstrate capabilities of Power BI — This question tests Demonstrate capabilities of Power BI — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: The scheduled refresh has failed for the past two days — The most likely cause is that the scheduled refresh has failed for the past two days. Power BI datasets that rely on scheduled refresh must complete successfully to update the data; if the refresh fails, the dataset retains the last successful refresh’s data, which in this case is from two days ago. Users seeing stale data from two days ago directly indicates that the refresh has not succeeded since then.
What should I do if I get this PL-900 question wrong?
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
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.
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Question Discussion
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