The correct approach is to use RLS with a DAX filter that leverages PATH and PATHCONTAINS to include all descendants. This works because RLS alone filters rows statically, but by creating a calculated column that flattens the employee-manager hierarchy using PATH, you can then apply PATHCONTAINS in the RLS filter to dynamically match the current manager’s EmployeeID against every row’s hierarchy path, ensuring both direct and indirect reports are visible. On the PL-300 exam, this question tests your understanding of how to implement dynamic row-level security for organizational hierarchies, a common scenario in enterprise reporting. A frequent trap is assuming RLS roles can handle hierarchies natively or that adding a column per manager is scalable—both are incorrect. Memory tip: think “PATH flattens the tree, PATHCONTAINS checks the branch.”
PL-300 Model the data Practice Question
This PL-300 practice question tests your understanding of model the data. 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.
You have a Power BI semantic model that uses row-level security (RLS). The model contains a table 'Employees' with columns: EmployeeID, ManagerID, Region. You need to configure RLS so that a manager can see only the data for employees who report to them, including indirect reports (i.e., the entire hierarchy under the manager). 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 RLS with a DAX filter that uses PATH and PATHCONTAINS to include all descendants.
Option D is correct because RLS can only filter rows directly; to handle dynamic hierarchies, you need to use DAX with functions like PATH and PATHCONTAINS to flatten the hierarchy. Option A is wrong because adding a column for each manager is not scalable. Option B is wrong because RLS does not support dynamic hierarchy by itself. Option C is wrong because a role per manager is not dynamic.
Key principle: NAT direction and interface roles matter as much as the IP address mapping. Inside/outside designation controls which traffic is translated.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
✓
Use RLS with a DAX filter that uses PATH and PATHCONTAINS to include all descendants.
Why this is correct
This dynamically filters based on the user's position in the hierarchy.
Clue confirmation
The clue word "best" in the question point toward this answer.
Related concept
Static NAT maps one inside address to one outside address.
✗
Use RLS with a DAX filter like 'Employees[ManagerID] = USERPRINCIPALNAME()'.
Why it's wrong here
This only shows direct reports, not the whole hierarchy.
✗
Add a column to the Employees table that lists all employees under each manager, then filter on that column.
Why it's wrong here
This requires manual updates and is not dynamic.
✗
Create a separate role for each manager and assign users accordingly.
Why it's wrong here
This is not maintainable for large organizations.
Common exam traps
Common exam trap: NAT rules depend on direction and matching traffic
NAT is not only about the public address. The inside/outside interface roles and the ACL or rule that matches traffic are just as important.
Trap categories for this question
Command / output trap
This only shows direct reports, not the whole hierarchy.
Detailed technical explanation
How to think about this question
NAT questions usually test address translation, overload/PAT behaviour, static mappings and whether the right traffic is being translated. Read the interface direction and address terms carefully.
KKey Concepts to Remember
Static NAT maps one inside address to one outside address.
PAT allows many inside hosts to share one public address using ports.
Inside local and inside global describe the private and translated addresses.
NAT ACLs identify traffic for translation, not always security filtering.
TExam Day Tips
→Identify inside and outside interfaces first.
→Check whether the scenario needs static NAT, dynamic NAT or PAT.
→Do not confuse NAT matching ACLs with normal packet-filtering intent.
Key takeaway
NAT direction and interface roles matter as much as the IP address mapping. Inside/outside designation controls which traffic is translated.
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.
Review the four NAT address types (inside local, inside global, outside local, outside global), PAT port overload, and static vs dynamic NAT use cases. Then practise related PL-300 NAT questions on configuration and troubleshooting.
Model the data — This question tests Model the data — Static NAT maps one inside address to one outside address..
What is the correct answer to this question?
The correct answer is: Use RLS with a DAX filter that uses PATH and PATHCONTAINS to include all descendants. — Option D is correct because RLS can only filter rows directly; to handle dynamic hierarchies, you need to use DAX with functions like PATH and PATHCONTAINS to flatten the hierarchy. Option A is wrong because adding a column for each manager is not scalable. Option B is wrong because RLS does not support dynamic hierarchy by itself. Option C is wrong because a role per manager is not dynamic.
What should I do if I get this PL-300 question wrong?
Review the four NAT address types (inside local, inside global, outside local, outside global), PAT port overload, and static vs dynamic NAT use cases. Then practise related PL-300 NAT questions on configuration and troubleshooting.
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?
Static NAT maps one inside address to one outside address.
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