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 have a new Azure SQL Database. You need to ensure that all connections use TLS 1.2 or higher. 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
✓
Set the 'minimal TLS version' to 1.2 in the server's properties in the Azure portal.
Option B is correct because Azure SQL Database has a server-level setting to enforce minimum TLS version. Option A is wrong because there is no database-level TLS setting. Option C is wrong because the firewall does not control encryption protocols. Option D is wrong because auditing is unrelated.
Key principle: ACLs process entries top to bottom and stop at the first match. Entry order and interface direction matter as much as the permit or deny statement.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
✓
Set the 'minimal TLS version' to 1.2 in the server's properties in the Azure portal.
Why this is correct
This enforces TLS 1.2 for all databases on the server.
Related concept
Standard ACLs match source addresses.
✗
Set the 'minimal TLS version' to 1.2 in the database's properties.
Why it's wrong here
The setting is at the server level, not database level.
✗
Add a firewall rule to deny connections using TLS 1.0 or 1.1.
Enable the 'Force encryption' option in the connection string and require TLS 1.2.
Why it's wrong here
Client-side setting; does not enforce server-side.
Common exam traps
Common exam trap: ACLs stop at the first match
ACLs are processed top to bottom. The first matching entry wins, and an implicit deny usually exists at the end.
Detailed technical explanation
How to think about this question
ACL questions test precision: source, destination, protocol, port and direction. A generally correct ACL can still fail if it is applied on the wrong interface or in the wrong direction.
KKey Concepts to Remember
Standard ACLs match source addresses.
Extended ACLs can match source, destination, protocol and ports.
The first matching ACL entry is used.
There is usually an implicit deny at the end.
TExam Day Tips
→Check inbound versus outbound direction.
→Read the ACL from top to bottom.
→Look for a broader permit or deny above the intended line.
Key takeaway
ACLs process entries top to bottom and stop at the first match. Entry order and interface direction matter as much as the permit or deny statement.
Real-world example
How this comes up in practice
A healthcare organisation deploys an application with a public-facing web tier and a private database tier. The database subnet has no public IP and only accepts connections from the web tier's security group. Questions like this test whether you can design cloud network isolation using VNets/VPCs, subnets, and security group rules.
Related glossary terms
Concepts from this question explained
These glossary pages explain the core terms tested in this DP-300 question in full detail.
Review ACL processing order, placement rules (standard near destination, extended near source), and inbound vs outbound direction. Study wildcard masks and implicit deny. Then practise related DP-300 ACL questions on filtering logic and placement.
Implement a secure environment — This question tests Implement a secure environment — Standard ACLs match source addresses..
What is the correct answer to this question?
The correct answer is: Set the 'minimal TLS version' to 1.2 in the server's properties in the Azure portal. — Option B is correct because Azure SQL Database has a server-level setting to enforce minimum TLS version. Option A is wrong because there is no database-level TLS setting. Option C is wrong because the firewall does not control encryption protocols. Option D is wrong because auditing is unrelated.
What should I do if I get this DP-300 question wrong?
Review ACL processing order, placement rules (standard near destination, extended near source), and inbound vs outbound direction. Study wildcard masks and implicit deny. Then practise related DP-300 ACL questions on filtering logic and placement.
What is the key concept behind this question?
Standard ACLs match source addresses.
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Question Discussion
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