AZ-900 Describe Azure architecture and services Practice Question
Which Azure service provides a managed Kubernetes environment for deploying and managing containerized applications?
⚠ Common exam trap
It's easy for candidates to confuse Azure Container Instances (ACI) with a managed Kubernetes service because both deal with containers, but ACI lacks orchestration, scaling, and self-healing capabilities, making it unsuitable for production-grade multi-container applications.
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 Kubernetes Service (AKS)
Azure Kubernetes Service (AKS) is the correct answer because it is Azure's managed Kubernetes orchestration service, which handles the control plane (including the API server, etcd, and scheduler) for you, while you manage the worker nodes and your containerized applications. This allows you to deploy, scale, and manage containerized applications using Kubernetes without the operational overhead of maintaining the control plane infrastructure.
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 Container Instances
Why it's wrong here
Azure Container Instances (ACI) is a serverless container service that launches individual containers or small groups on demand, but it does not provide the orchestration plane (scheduling, service discovery, rolling deployments, cluster-level autoscaling) that Kubernetes offers. ACI is ideal for simple, event-driven or short-lived workloads, not for operating a fleet of microservices. Because AKS is specifically the managed Kubernetes offering for cluster orchestration, ACI is not the correct answer.
- ✓
Azure Kubernetes Service (AKS)
Why this is correct
AKS is Azure's managed Kubernetes service that offloads the control plane, including API server, etcd, and scheduler, to Azure while you manage agent nodes, workloads, and scaling. It provides native Kubernetes primitives such as Deployments, Services, Ingress, and Horizontal Pod Autoscaler, plus integrated Azure Active Directory, Azure Policy, and container monitoring. This makes AKS the appropriate choice for deploying and operating containerized applications at scale with robust orchestration.
- ✗
Azure App Service
Why it's wrong here
Azure App Service is a fully managed platform-as-a-service (PaaS) for hosting web apps, REST APIs, and mobile backends, with built-in autoscaling, load balancing, and CI/CD support. It can run containers in Web App for Containers, but it does not expose the Kubernetes orchestration API or support pod-level control, service discovery, or declarative deployment rollouts. For scenarios that specifically require Kubernetes cluster operations, App Service's abstraction is too high-level and locked to app hosting rather than container orchestration.
- ✗
Azure Container Registry
Why it's wrong here
Azure Container Registry (ACR) is a private, managed Docker image repository that stores and signs container images and artifacts, supporting replication and AKS authentication via Azure Active Directory. It plays a supporting role in a container deployment pipeline by providing the images that AKS pulls, but it has no compute capability and does not schedule, run, or orchestrate containers. Because the question asks for the service that deploys and operates containerized applications at scale, ACR is the storage layer, not the orchestration platform.
Go deeper
Related to this question
Learn chapter
Azure Regions and Geographies
Key term
AKS
Azure Kubernetes Service (AKS) is a managed container orchestration service on Microsoft Azure that simplifies deploying, managing, and scaling containerized applications using Kubernetes.
Key term
Azure Kubernetes Service
Azure Kubernetes Service is a managed container orchestration service that simplifies deploying, managing, and scaling containerized applications using Kubernetes on Microsoft Azure.
About these practice questions
One of 981 original AZ-900 practice questions on Courseiva, each with a full explanation and wrong-answer analysis — not exam dumps or protected exam content. Learn why practice questions differ from exam dumps →
JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This AZ-900 practice question is part of Courseiva's free Microsoft certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the AZ-900 exam.