The answer is Transparent Data Encryption (TDE), along with Auditing and Azure Active Directory (AAD) Authentication, as the three core security features available for Azure SQL Database. TDE performs real-time I/O encryption and decryption of data at rest, protecting against unauthorized access to the physical database files, while Auditing tracks database events to a log destination for compliance and anomaly detection, and AAD Auth enables centralized identity management. On the Microsoft Azure Data Engineer Associate DP-203 exam, this question tests your ability to distinguish built-in security features from optional add-ons; a common trap is confusing Always Encrypted (which protects data in use and requires client-side keys) with TDE (which protects data at rest transparently). To remember the trio, think of the acronym “TAA” for TDE, Auditing, and AAD—covering data at rest, data in action, and who gets in.
DP-203 Design and implement data storage Practice Question
This DP-203 practice question tests your understanding of design and implement data storage. Match the stated requirement to the specific cloud service, access model, or configuration option — many options are valid in isolation but not for this scenario. 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.
Which THREE security features are available for Azure SQL Database? (Choose three.)
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Auditing
Auditing is a built-in security feature for Azure SQL Database that tracks database events and writes them to an audit log in your Azure Storage account, Log Analytics workspace, or Event Hubs. It helps maintain regulatory compliance, understand database activity, and gain insights into discrepancies and anomalies that could indicate security concerns.
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.
✗
Always On availability groups
Why it's wrong here
Incorrect. Always On is a high availability feature, not a security feature.
✓
Auditing
Why this is correct
Correct. Auditing tracks database events.
Related concept
Read the scenario before looking for a memorised answer.
Read the scenario before looking for a memorised answer.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often confuse high-availability features like Always On availability groups with security features, or they mistakenly think that firewall rules are a database-level security feature rather than a server-level network access control.
Detailed technical explanation
How to think about this question
Azure SQL Database auditing can be configured at the server or database level, and the audit logs capture detailed information such as the exact SQL statement executed, the user, and the timestamp. Transparent Data Encryption (TDE) performs real-time I/O encryption and decryption of the data and log files at rest, using a database encryption key (DEK) stored in the database boot record, which is protected by a server certificate or an Azure Key Vault asymmetric key. Azure Active Directory authentication allows you to use managed identities and service principals for identity-based access, eliminating the need for SQL Server logins and enabling conditional access policies.
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 media company stores terabytes of video archives that are accessed once a year for audit purposes. Moving these objects to a cold storage tier (Azure Archive, S3 Glacier, or Google Nearline) costs a fraction of hot storage. Questions like this test whether you understand storage tiers, access frequency tradeoffs, and retrieval latency requirements.
Related glossary terms
Concepts from this question explained
These glossary pages explain the core terms tested in this DP-203 question in full detail.
Design and implement data storage — This question tests Design and implement data storage — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Auditing — Auditing is a built-in security feature for Azure SQL Database that tracks database events and writes them to an audit log in your Azure Storage account, Log Analytics workspace, or Event Hubs. It helps maintain regulatory compliance, understand database activity, and gain insights into discrepancies and anomalies that could indicate security concerns.
What should I do if I get this DP-203 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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