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AZ-900 · Question #370

Drag and Drop Question You need to complete the defense-in-depth strategy used in a datacenter. What should you do? To answer, drag the appropriate layers to the correct positions in the model. Each l

The correct answer is Physical Security; Perimeter; Application. A defense-in-depth strategy uses a layered security model where physical security forms the outermost/foundational layer (protecting the physical datacenter infrastructure), the perimeter layer sits in the middle (controlling network boundaries with firewalls, DMZs, and DDoS prot

Submitted by tunde_lagos· Mar 5, 2026Describe Azure security, privacy, compliance, and trust - specifically understanding the defense-in-depth security model and its layered approach to protecting cloud and datacenter resources (AZ-900 / Microsoft Azure Fundamentals)

Question

Drag and Drop Question You need to complete the defense-in-depth strategy used in a datacenter. What should you do? To answer, drag the appropriate layers to the correct positions in the model. Each layer may be used once, more than once, or not at all. NOTE: Each correct selection is worth one point. Answer:

Exhibit

AZ-900 question #370 exhibit

Answer Area

Drag items

PerimeterApplicationPhysical Security

Correct arrangement

  • Physical Security
  • Perimeter
  • Application

Explanation

A defense-in-depth strategy uses a layered security model where physical security forms the outermost/foundational layer (protecting the physical datacenter infrastructure), the perimeter layer sits in the middle (controlling network boundaries with firewalls, DMZs, and DDoS protection), and the application layer is the innermost layer (securing software and APIs against vulnerabilities). This ordering reflects how threats must breach each successive layer before reaching the core application assets, ensuring multiple barriers exist against attackers.

Topics

#Defense-in-Depth#Datacenter Security#Security Layers#Azure Security Architecture

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