What is an Availability Zone in cloud architecture?

The correct answer is D. A geographically isolated data center within a region. An Availability Zone (AZ) is one or more discrete data centers within a cloud region, each with independent power, cooling, and networking, physically separated from other AZs to isolate failures. Regions contain multiple AZs, allowing architects to deploy redundant resources acr

Submitted by rohit_dlh· Apr 18, 2026Cloud Concepts, Architecture and Design

Question

Options

AA logical network segment within a data center
BA special high-performance compute cluster
CA security domain for isolating traffic
DA geographically isolated data center within a region

How the community answered

(31 responses)

A
3% (1)
B
3% (1)
C
6% (2)
D
87% (27)

Explanation

An Availability Zone (AZ) is one or more discrete data centers within a cloud region, each with independent power, cooling, and networking, physically separated from other AZs to isolate failures. Regions contain multiple AZs, allowing architects to deploy redundant resources across AZs for high availability. AZs are not logical network segments (A) - that describes subnets or VLANs. They are not compute clusters (B) or security domains (C). The geographic separation within a region is the defining characteristic.

Topics

#Availability Zone#Cloud Architecture#High Availability#Resilience

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