DevOps

DevOps Interview Questions and Answers: Scenario-Based Prep

Prepare for DevOps interviews with confidence. Master real questions across Linux, Git, Docker, Kubernetes, Terraform, Jenkins, AWS, CI/CD, monitoring, and troubleshooting through clear answers and production-style scenarios.
Aditya Chauhan
Technical PM and Learning Designer
DevOps Pre-Requisite Course
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What you’ll learn

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Description

Getting ready for a DevOps interview can feel overwhelming because the questions can come from anywhere - Linux, Git, Docker, Kubernetes, Terraform, Jenkins, AWS, CI/CD, monitoring, troubleshooting, and real production scenarios.

This course helps you prepare in a practical, interview-focused way.

Instead of only memorizing definitions, you will learn how to answer DevOps interview questions the way hiring teams expect. We will cover common beginner, intermediate, and scenario-based questions, explain the concepts behind each answer, and show you how to structure your response clearly during an interview.

You will learn how to handle questions like: how Docker containers work, how Kubernetes schedules pods, how CI/CD pipelines are designed, how Terraform manages infrastructure, how monitoring and logging systems help in production, and how to troubleshoot real-world issues across DevOps environments.

By the end of this course, you will have a stronger understanding of core DevOps concepts, better confidence in answering technical questions, and a practical framework for explaining your thought process in interviews.

Whether you are preparing for your first DevOps role or trying to move into a more advanced DevOps, SRE, or Platform Engineering position, this course will help you prepare with real questions, clear answers, and production-style scenarios.

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What our students say

About the instructor

Aditya is a Technical PM and Learning Designer at KodeKloud, he has led more than 50+ courses. With a background in computer science and a lifelong love for teaching, he has always found something deeply rewarding in sharing what he knows with others. Whatever the topic, he loves finding a way to break it down into simple concepts, so learning feels less like a struggle and more like a series of small, satisfying moments.

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Docker

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5
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Lesson Content

Module Content

Why is Your Docker Image 2GB?02:19
CMD vs ENTRYPOINT02:58
Container Died with Exit Code 13702:39
Container Data Bind Mounts vs Volumes02:46
Quiz: Docker

Kubernetes

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5
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Module Content

Your Kubernetes Rollout is Stuck02:30
Managed vs Self-Managed Kubernetes00:59
Privileged Pod with hostPath02:57
DNS Failing in Pods02:29
Quiz: Kubernetes

CI/CD & DevOps

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You Pushed Secrets to GitHub01:33
Server at 98% CPU Scale Up or Out?02:15
Your Database Query Takes 30 Seconds02:41
GitOps vs Traditional CD02:24
Amazon DevOps Parse This Nginx Log02:47
Quiz: CI/CD & DevOps

Security

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Leaked S3 Bucket02:21
Quiz: Security

Security

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TCP vs UDP When to Pick Which?02:59
What is a Webhook?01:44
Pod Can't Reach Cluster DNS02:17
dnsPolicy Trap02:04
ndots:5 Trap01:53
Quiz: Networking

System Design

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Module Content

Design an Image Upload Pipeline02:46
Design a Home Feed For Instagram02:55
Centralized Logging for 100+ Microservices01:45
Design a Payment Processing System02:36
Webhook Delivery System02:58
Why 3 or 5 Nodes, Never 2 - Quorum & Split Brain02:05
Logs Pipeline Alloy + Loki + S3 + Grafana02:14
Designing a Caching System02:27
Designing Pipeline with Prometheus and Thanos06:55
Lab: Building Metrics Pipeline with Prometheus and Thanos
Quiz: System Design

Interview Setup

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What Happens on docker run nginx?02:54
What is Kubernetes?02:58
How Does Terraform Actually Work?02:59
How Does Kafka Work?08:01

Advanced Concepts

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What is gRPC vs HTTP?02:59
gRPC vs RESTful API02:51
Quiz: Advanced Concepts
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This course comes with hands-on cloud labs
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8
Modules
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42
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Course Certificate
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1.63
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Demo
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Cloud Labs
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Discord Community Support
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Community support
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English
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DevOps