Question 764 of 919
DP-300 Implement a secure environment Practice Question
Your Azure SQL Database is accessed by multiple applications. You need to ensure that all connections use Transport Layer Security (TLS) 1.2 or higher. Which TWO configurations should you verify or enable?
⚠ Common exam trap
Watch out — candidates often confuse network-level controls (like NSGs) with TLS-level enforcement, or mistakenly apply on-premises SQL Server settings (like 'ForceEncryption') to Azure SQL Database, which has different configuration mechanisms and defaults.
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Configure client applications to use TLS 1.2 in their connection strings.
Client applications must explicitly request TLS 1.2 in their connection strings (e.g., by adding 'Encrypt=True;TrustServerCertificate=False;' and specifying the minimum TLS version in the underlying driver configuration). Without this, the client may negotiate a lower TLS version, even if the server supports higher versions. Option D is correct because setting the server's 'minimalTlsVersion' property to '1.2' enforces that the Azure SQL Database server rejects any connection attempt using TLS 1.0 or 1.1, ensuring only TLS 1.2+ connections are accepted at the server level.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
Configure client applications to use TLS 1.2 in their connection strings.
Why this is correct
Clients must also support TLS 1.2.
- ✗
Create a network security group rule to block non-TLS traffic.
Why it's wrong here
NSGs are not applicable to Azure SQL Database.
- ✗
Set 'DenyPublicNetworkAccess' to 'Yes' on the server.
Why it's wrong here
This blocks public access, does not enforce TLS version.
- ✓
Set the server's 'minimalTlsVersion' property to '1.2'.
Why this is correct
This enforces TLS 1.2 at the server level.
- ✗
Enable 'ForceEncryption' on the SQL Server instance.
Why it's wrong here
ForceEncryption is for SQL Server on-premises, not Azure SQL Database.
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Last reviewed: Jun 24, 2026
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