The answer is to apply a 'CanNotDelete' Azure Resource Lock on the resource group containing the Azure SQL Database. This lock overrides all role-based access control (RBAC) permissions, meaning even a user with Owner-level rights cannot delete the database, effectively preventing accidental deletion at the resource group scope. On the Microsoft Azure Database Administrator Associate DP-300 exam, this concept tests your understanding of governance controls versus identity-based permissions—a common trap is confusing resource locks with RBAC roles or thinking a lock at the database level alone suffices. Remember that resource locks apply hierarchically, so locking the resource group protects all child resources, including the SQL database, without needing individual locks. A useful memory tip: "Lock the group, block the scoop"—locking the resource group prevents any accidental scooping of the database.
DP-300 Implement a secure environment Practice Question
This DP-300 practice question tests your understanding of implement a secure environment. 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 need to prevent users from accidentally deleting an Azure SQL Database. What should you configure?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Apply a 'CanNotDelete' Azure Resource Lock on the resource group.
A 'CanNotDelete' Azure Resource Lock on the resource group prevents any user, including those with high-level permissions like Owner, from deleting the Azure SQL Database. This lock overrides all role-based access control (RBAC) permissions at the resource or resource group level, ensuring accidental deletion is blocked even if a user has delete permissions.
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.
✓
Apply a 'CanNotDelete' Azure Resource Lock on the resource group.
Why this is correct
Resource lock prevents deletion of Azure resources.
Related concept
Read the scenario before looking for a memorised answer.
✗
Revoke the db_ddladmin role from users.
Why it's wrong here
DDL admin controls schema changes, not resource deletion.
✗
Create an Azure Policy to deny SQL Database creation.
Why it's wrong here
Policy can deny creation but a lock is more appropriate to prevent deletion.
✗
Set a deny rule in the SQL Database firewall.
Why it's wrong here
Firewall controls network access, not resource deletion.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates confuse database-level permissions (like db_ddladmin) with Azure Resource Manager-level operations, mistakenly thinking that revoking schema modification rights will prevent database deletion, when in fact deletion is an ARM operation controlled by locks or RBAC at the subscription/resource group scope.
Detailed technical explanation
How to think about this question
Azure Resource Locks are applied at the management plane (Azure Resource Manager) and operate independently of RBAC; they enforce a deny on all delete or modify operations regardless of the user's role. The 'CanNotDelete' lock is inherited by all child resources within the resource group, meaning it protects the SQL Database, its server, and any associated resources like elastic pools. In a real-world scenario, this is critical for production databases where a misconfigured automation script or a user with elevated privileges could otherwise inadvertently remove the entire database.
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.
Related glossary terms
Concepts from this question explained
These glossary pages explain the core terms tested in this DP-300 question in full detail.
Implement a secure environment — This question tests Implement a secure environment — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Apply a 'CanNotDelete' Azure Resource Lock on the resource group. — A 'CanNotDelete' Azure Resource Lock on the resource group prevents any user, including those with high-level permissions like Owner, from deleting the Azure SQL Database. This lock overrides all role-based access control (RBAC) permissions at the resource or resource group level, ensuring accidental deletion is blocked even if a user has delete permissions.
What should I do if I get this DP-300 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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