The correct answer is to enable Customer-managed encryption key (CMK) and Audit logging. CMK gives your organization direct control over the encryption key that protects Dataverse data at rest, ensuring that even Microsoft cannot access your sensitive information without your permission. Audit logging then records every access and change to that data, creating a verifiable trail for compliance. On the PL-900 exam, this question tests your understanding of how Power Platform meets enterprise security requirements; a common trap is to choose only one feature, but the scenario explicitly demands both encryption at rest and access auditing. Remember the pairing: CMK locks the data, Audit logs the key turns.
PL-900 Practice Question: Describe the business value of Microsoft Power Platform
This PL-900 practice question tests your understanding of describe the business value of microsoft power platform. 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.
An organization is using Microsoft Power Platform to build a compliance solution. They need to ensure that sensitive data in Dataverse is encrypted at rest and that access is audited. Which feature should they enable?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Customer-managed encryption key (CMK) and Audit logging
Customer-managed encryption key (CMK) provides control over the encryption key used to encrypt data at rest in Dataverse, ensuring sensitive data is encrypted with a key managed by the organization. Audit logging records all access and changes to data, enabling compliance auditing. Together, they directly address the requirements for encryption at rest and access auditing.
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.
✗
Data Loss Prevention (DLP) policies
Why it's wrong here
DLP policies control data flow between connectors, not encryption or auditing.
✓
Customer-managed encryption key (CMK) and Audit logging
Why this is correct
CMK allows the organization to manage encryption keys, and audit logging tracks access to data.
Related concept
Read the scenario before looking for a memorised answer.
✗
Power Apps business rules
Why it's wrong here
Business rules enforce data validation and logic, not security compliance.
✗
Microsoft Entra ID Conditional Access policies
Why it's wrong here
Conditional Access controls access based on conditions but does not encrypt data at rest or audit access within Dataverse.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often confuse Data Loss Prevention (DLP) policies with data protection at rest, but DLP only governs data movement and does not provide encryption or auditing of stored data.
Detailed technical explanation
How to think about this question
CMK in Dataverse uses Azure Key Vault to store the encryption key, which is used to encrypt the database, transaction logs, and backups via Transparent Data Encryption (TDE). Audit logging in Dataverse captures detailed records of create, read, update, and delete operations at the row level, storing them in the audit log table for up to 90 days by default, with retention configurable via the Audit Log Retention policy. In a real-world compliance scenario, such as healthcare or finance, CMK ensures the organization can revoke access to data by disabling the key, while audit logs provide evidence for regulatory audits like HIPAA or SOX.
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 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.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Describe the business value of Microsoft Power Platform — This question tests Describe the business value of Microsoft Power Platform — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Customer-managed encryption key (CMK) and Audit logging — Customer-managed encryption key (CMK) provides control over the encryption key used to encrypt data at rest in Dataverse, ensuring sensitive data is encrypted with a key managed by the organization. Audit logging records all access and changes to data, enabling compliance auditing. Together, they directly address the requirements for encryption at rest and access auditing.
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.
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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