The correct answer is to modify the DAX measure to use ALL(Sales) and add a filter to ignore the year, ensuring rank resets with slicer ignore filter behavior is prevented. This works because ALL(Sales) removes all existing filter contexts from the Sales table, including the Year slicer, while still respecting any other filters you might want to keep. The core issue is that a slicer on Year applies a filter that the default RANKX function respects, causing the rank to recalculate within each selected year instead of across all products. On the PL-300 exam, this scenario tests your understanding of filter context versus row context, and the common trap is confusing ALLSELECTED (which respects slicer selections) with ALL (which ignores them entirely). A reliable memory tip is: "ALL ignores all, ALLSELECTED respects the slicer."
PL-300 Visualize and analyze the data Practice Question
This PL-300 practice question tests your understanding of visualize and analyze the data. Read the scenario carefully and evaluate each option against the stated constraints before committing to an answer. 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
Refer to the exhibit.
```dax
Sales Rank =
RANKX(
ALL(Sales[ProductID]),
SUM(Sales[Amount]),
,
DESC,
Dense
)
```
Refer to the exhibit. You have a DAX measure that ranks products by sales amount. When you add this measure to a table visual with ProductID and Sales Amount, you notice that the rank resets for each year when you add a Year slicer. What should you modify to ensure ranking is always across all products regardless of slicer?
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
Clue: "always"
Why it matters: Absolute qualifier. An answer using 'always' is only correct if there are genuinely no exceptions — absolute statements are often wrong in networking.
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Change ALL to ALL(Sales) and add a filter to ignore year
Option A is correct because ALL removes all filters, but if you want to ignore the year slicer, you need to use ALLSELECTED or modify to ALL(Product[ProductID]) but also use ALL to ignore year filter. Option B is wrong because ALLSELECTED respects slicer selection. Option C is wrong because VALUES respects filters. Option D is wrong because ALLNOBLANKROW is similar to ALL.
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.
✗
Change ALL to ALLSELECTED(Sales[ProductID])
Why it's wrong here
ALLSELECTED respects slicer, so ranking would still reset.
✗
Change ALL to ALLEXCEPT(Sales, Sales[Year])
Why it's wrong here
ALLEXCEPT keeps other filters; would still reset if Year is filtered.
✓
Change ALL to ALL(Sales) and add a filter to ignore year
Why this is correct
ALL(Sales) removes all filters; you can then add a filter to keep only needed context.
Clue confirmation
The clue word "always" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
✗
Change ALL to VALUES(Sales[ProductID])
Why it's wrong here
VALUES respects filters.
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-300 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.
Visualize and analyze the data — This question tests Visualize and analyze the data — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Change ALL to ALL(Sales) and add a filter to ignore year — Option A is correct because ALL removes all filters, but if you want to ignore the year slicer, you need to use ALLSELECTED or modify to ALL(Product[ProductID]) but also use ALL to ignore year filter. Option B is wrong because ALLSELECTED respects slicer selection. Option C is wrong because VALUES respects filters. Option D is wrong because ALLNOBLANKROW is similar to ALL.
What should I do if I get this PL-300 question wrong?
Identify which PL-300 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.
Are there clue words in this question I should notice?
Yes — watch for: "always". Absolute qualifier. An answer using 'always' is only correct if there are genuinely no exceptions — absolute statements are often wrong in networking.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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