Question 579 of 919
DP-300 Implement a secure environment Practice Question
You are configuring Azure SQL Database firewall rules. Which THREE actions require the 'Allow Azure services and resources to access this server' setting to be enabled? (Choose three.)
⚠ Common exam trap
A common mix-up: candidates think the 'Allow Azure services' setting is required for any Azure resource, but it is only needed when the resource does not have a static, whitelistable IP or a private endpoint; for example, a VM with a private endpoint does not need this setting because it uses a private IP within the virtual network.
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
✓
Azure Data Factory using a self-hosted integration runtime.
The 'Allow Azure services and resources to access this server' firewall setting permits connections from any Azure service that does not have a fixed public IP or a private endpoint. Azure Data Factory using a self-hosted integration runtime (IR) runs on-premises or on a VM, but the IR itself initiates outbound connections to Azure SQL Database from a dynamic Azure IP range. Without this setting enabled, the connection is blocked because the self-hosted IR's source IP is not a static, whitelisted address.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
Azure Data Factory using a self-hosted integration runtime.
Why this is correct
If the self-hosted IR is on Azure, it uses Azure IPs.
- ✗
An on-premises application with a static public IP.
Why it's wrong here
You can add a firewall rule for that specific IP.
- ✗
A virtual machine using a private endpoint.
Why it's wrong here
Private endpoint bypasses firewall rules.
- ✓
An Azure Logic App connecting to the database.
Why this is correct
Logic Apps use Azure IP addresses.
- ✓
An Azure App Service connecting to the database.
Why this is correct
App Service runs on dynamic IPs; the allow Azure services setting is needed.
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Last reviewed: Jun 24, 2026
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