This PL-300 practice question tests your understanding of model 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.
You are a data modeler for a logistics company. The company uses Power BI to analyze shipment data. The source system is a SQL Server database with tables: Shipments (ShipmentID, ShipDate, CustomerID, Weight, Cost, CarrierID), Customers (CustomerID, CustomerName, Region), Carriers (CarrierID, CarrierName, Mode). The database is updated in real-time. You need to build a semantic model that supports near real-time reporting with maximum data freshness while maintaining good query performance. The model should allow users to filter by customer region and carrier mode, and calculate total cost and weight per month. What is the best approach?
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
Clue: "best"
Why it matters: Signals that multiple options may be partially correct. Choose the option that most directly solves the exact problem described, not the one that sounds most complete.
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Use DirectQuery on the three tables and create a date table in the model.
Option C is correct because using DirectQuery (or dual storage) with a date table allows real-time data access and supports time intelligence. Option A is wrong because DirectQuery on a single flat table loses relationships. Option B is wrong because importing into a star schema does not support real-time. Option D is wrong because composite model is not needed for this scenario.
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.
✗
Import the three tables into Power BI and create a star schema with relationships.
Why it's wrong here
Import mode does not support real-time updates.
✗
Create a single view in SQL Server that joins all tables and use DirectQuery on that view.
Why it's wrong here
A single view loses the star schema benefits and may be slower.
✓
Use DirectQuery on the three tables and create a date table in the model.
Why this is correct
DirectQuery provides real-time data and the date table enables time intelligence.
Clue confirmation
The clue word "best" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
✗
Use a composite model: import Customers and Carriers, and use DirectQuery on Shipments.
Why it's wrong here
Composite model adds complexity and may not be necessary.
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 startup's cloud architect reviews their monthly bill and notices costs are higher than expected for a long-running batch job. Switching from on-demand instances to Reserved Instances — or using Spot/Preemptible VMs — can reduce compute costs by up to 72 %. Questions like this test whether you understand the tradeoffs between commitment, flexibility, and cost across cloud pricing models.
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.
Model the data — This question tests Model the data — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Use DirectQuery on the three tables and create a date table in the model. — Option C is correct because using DirectQuery (or dual storage) with a date table allows real-time data access and supports time intelligence. Option A is wrong because DirectQuery on a single flat table loses relationships. Option B is wrong because importing into a star schema does not support real-time. Option D is wrong because composite model is not needed for this scenario.
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: "best". Signals that multiple options may be partially correct. Choose the option that most directly solves the exact problem described, not the one that sounds most complete.
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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