Microsoft Security, Compliance, and Identity Fundamentals SC-900 Practice Question
You are planning an Azure deployment that includes internet-facing web servers and back-end database servers. The database servers must be isolated from the internet but must still exchange traffic privately with the web servers over internal IP addresses only. Which Azure capability provides this network segmentation?
Create separate subnets within a single Azure virtual network and use network security groups to filter traffic.
Deploy Azure Front Door to securely route traffic between the web servers and the database servers.
Place the web and database servers in different Azure resource groups to block network communication between them.
Enable Azure DDoS Protection on the web server subnet to prevent database exposure to the internet.
Azure virtual networks let you carve the address space into multiple subnets. By placing the web servers and database servers in separate subnets inside the same VNet, you create logical isolation while still allowing private communication across the VNet's backbone. Network security groups can then be applied to each subnet to permit or deny specific traffic. A resource group is an administrative boundary, not a network boundary. Azure DDoS Protection safeguards against volumetric attacks but does not segment internal traffic. Azure Front Door distributes internet traffic to applications and does not create private network isolation between tiers.
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Microsoft Security, Compliance, and Identity Fundamentals SC-900
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