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// 200+ real interview scenarios

Walk into your next DevOps interview fully prepared.

Stop memorizing definitions. Learn to answer the exact scenario questions interviewers ask — across Git, Linux, Docker, Kubernetes, Terraform, Ansible, AWS & Azure — the way a senior engineer would.

Get instant access $ view curriculum

4.7 rating12,000+ learners15h 26m of content

interview — zsh — 80×24

interviewer$ pod stuck in CrashLoopBackOff — what now?

# most candidates freeze here.

you$ describe pod → check events → logs --previous

→ exit code 137? OOMKilled. check limits.

→ exit code 1? app crash. read stack trace.

✓ structured. confident. hired.

you$

200+

interview questions

tool tracks

100%

scenario-based

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lifetime access

// the real problem

You know the tools. So why do interviews still go sideways?

Most engineers can define a Service or a state file. But interviews aren't a vocabulary test — they're troubleshooting under pressure. That's where prep usually falls short.

✗ definitions only

Theory ≠ answers

You memorized what CoreDNS is, but freeze when asked to debug why DNS resolution fails inside a pod.

✗ no structure

Rambling responses

You know the answer somewhere in your head, but can't deliver it in the clear, step-by-step way interviewers score highly.

✗ resume ignored

Never get the call

Your skills are real, but an ATS-unfriendly resume and weak recruiter profile mean you don't even reach the interview.

// what's inside

Every track an interviewer can throw at you — in one place.

Each lecture is a real scenario with a structured, senior-level answer you can actually use. Click any module to see every question inside.

Explain a scenario where you used Git Fork instead of Git Clone
Git Fork in action with example
Create a fork of the project and create a pull request
Show how Git Fetch and Pull work in real time
Which do you use mostly — Git Fetch or Git Pull, and why?
Practice Git Fetch vs Git Pull on a GitHub repo
Show practically how Git Rebase differs from Git Merge
How to explain Git Merge vs Git Rebase in interviews (short version)
Explain the Git branching strategy you used in your company
Explain 3 challenges you faced with Git during your work experience
Explain a recent Git challenge and how you addressed it
How do you handle merge conflicts in Git?
Explain Git merge strategies — Ours and Theirs
Create a merge conflict and resolve it locally using Git merge
Have you ever used Git tags? If yes, why?
How do you combine multiple commits into a single commit?
Explain 10 Git commands you use on a day-to-day basis
How do you stop pushing changes to a specific file in Git?
What is the purpose of the .git folder in a repository?
Can you restore a deleted .git folder?
A teammate committed a Kubernetes Secret (base64) to Git — what now?

10 Linux commands you use on a day-to-day basis
Can you restore a lost .pem file? If not, how do you access the instance?
/var is almost 90% full — what are your next steps?
Linux server is slow due to high CPU utilization — how do you fix it?
App on Nginx returns "Connection Refused" — how do you fix it?
SSH to an instance stopped working — how do you troubleshoot?
Find and list log files older than 7 days in /var/log
Find and remove log files older than 30 days in a folder
Cronjob + shell script for advanced log rotation (scenario provided)
Bulk creation of Linux users using a CSV file
Service health monitor script in Bash
Find and delete files over 100MB
Get the list of users who logged in today (packages-deleted scenario)
Website doesn't load — how do you investigate?
Using sed, remove the first and last line of a file
What are the different types of variables in Linux?
kill vs kill -9 in Linux

Explain DNS in simple words
Explain the full request flow from client to server (OSI model)
Difference between a forward proxy and a reverse proxy
User reports app slowness — how do you approach it?
curl works with IP but fails with domain — why?
Website returns HTTP 502 — what could be the issue?
Difference between 0.0.0.0 and 127.0.0.1
Difference between public and private subnets
You created a private subnet instead of public — how do you fix it?

What are Jenkins shared libraries and how do they work?
5 build targets you use on a day-to-day basis
Which artifact repository do you use for builds?
How do you configure Artifactory for your app in Maven?
Build passes locally but fails in CI — how do you troubleshoot?
CI pipeline succeeds but app is broken in prod — what do you do?
Pipeline slows down over time — how do you fix it?
A developer pushes a feature branch but the pipeline doesn't trigger
Build fails: can't download a dependency from your artifact repo
Python build fails on CI but works locally — what's the issue?
Explain the Python application build process in detail
What problems can static code analysis identify?
Static code analysis slows down the CI pipeline — how do you fix it?
App in 'OutOfSync' state in Argo CD but no Git changes
When a build fails in Jenkins, how do you send an email?

What is DevSecOps and how is it different from traditional DevOps?
Where do you add security checks in a CI/CD pipeline? (shift-left)
How do you scan container images for vulnerabilities? (Trivy / Grype)
A base image has critical CVEs — how do you remediate safely?
How do you stop secrets being committed to Git? (pre-commit + scanning)
A secret leaked into Git history — what are your exact next steps?
SAST vs DAST vs SCA — explain the difference with examples
How do you implement least-privilege IAM in AWS? (policy walkthrough)
How do you securely inject secrets into a Kubernetes pod at runtime?
Secrets Manager vs Vault vs sealed secrets — when to use each
How do you sign and verify container images? (supply-chain basics)
Image scan blocks every build on low-severity CVEs — fix the noise
How do you enforce security policies as code? (OPA / Kyverno)
Explain a security gap you found and fixed in a real pipeline

Difference between for_each and for in Terraform
What are modules in Terraform and why use them?
What is the role of the state file in Terraform?
Would you store the state file in Git instead of S3 / Azure Blob?
Explain Terraform state file management
Two engineers update the state file at once — what happens?
No cloud account — where can you store the state file?
Do you use Terraform Enterprise or Community?
Have you heard of OpenTofu? Is it better than Terraform?
Write Terraform code to create any resource on AWS
Difference between a resource and a data source in Terraform
What is Ansible and why is it agentless?
Difference between an ad-hoc command and a playbook
Inventory files: static vs dynamic inventory
Explain idempotency in Ansible with a real example
Difference between a role and a playbook — when do you use each?
What are Ansible roles and how do you structure them?
How do you handle secrets in Ansible? (Ansible Vault in action)
A task keeps showing "changed" every run — why?
A play fails halfway across 50 servers — handling partial failure
Handlers vs tasks, and when handlers don't fire
How do you target only a subset of hosts at runtime?
Ansible vs Terraform — when do you reach for each?
How do you test a playbook before running it in production?
Variable precedence in Ansible — which value wins and why?
Write a playbook to install, configure, and start Nginx

Docker container exits immediately — how do you troubleshoot?
What is the purpose of EXPOSE in a Dockerfile?
Port not accessible on localhost even after port mapping
Data lost when a container stops/restarts — how do you fix it?
Rebuilt the image but the change isn't reflected — why?
"Permission Denied" in a container but works on localhost
Docker host is running out of disk space — how do you clean up?
How do you debug a live container?
Which container registry do you use in your organization?
Difference between CMD and ENTRYPOINT in Docker
Docker commands you use on a day-to-day basis
When and how do you forcefully remove a container?

Explain Kubernetes cluster architecture
How components interact when you run kubectl apply (Pod)
What is the purpose of Services in Kubernetes?
Why is hardcoding Pod IP communication a bad practice?
What are the types of Services in Kubernetes?
What are labels and selectors?
NodePort vs LoadBalancer Service — which and why?
How are Kubernetes Services related to kube-proxy?
What is the disadvantage of the LoadBalancer Service type?
What is a Headless Service and when did you use it?
Can a Pod access a Service in a different namespace? How?
Restrict access to a DB pod to only one app in the namespace
Explain the deployment strategy you follow in your organization
Explain the rollback strategy you follow in your organization
Design a solution to avoid rollbacks
Explain deployment strategies you used in the past
Explain the role of CoreDNS in Kubernetes
A node is tainted "NoSchedule" — can you still schedule a pod?
Pod stuck in CrashLoopBackOff — what steps do you take?
Difference between liveness and readiness probes
Difference between Ingress and a LoadBalancer Service type
Works with ClusterIP but fails with Ingress — troubleshoot it
Why set up an Ingress controller after creating an Ingress?
Can you use Ingress with an in-house load balancer?
replicas: 3 but only 1 pod runs — what's wrong?
Pod mounts a ConfigMap but changes aren't reflected — why?
How does Node Affinity work and when do you use it?
Difference between Node Affinity and node label selector
What is the container runtime in Kubernetes?
What is Kubernetes QoS?
What are requests and limits in Kubernetes?
Explain 3 challenges you faced working on Kubernetes
Can you use the Kubernetes master for scheduling pods?
Horizontal vs Vertical scaling (in K8s and in general)
What are the different types of secrets in Kubernetes?

Difference between monitoring and observability
How do you emit custom logs and metrics in your application?
What metrics do you scrape with Prometheus in your current org?
Have you worked on observability? Explain what you did
Difference between logs, metrics, and traces
Difference between push- and pull-based monitoring
Which tools have you used to build an observability stack?
Slowness, no error logs, CPU fine — fix it
How do you trace a request across microservices in Kubernetes?
A pod randomly crashes with OOMKilled — identify and fix it
Woken at 2AM by false alarms — how do you reduce noise?

Design a highly available, scalable multi-tier app
What is AWS NAT and when is it used?
How do you give internet access to an app in a private subnet?
Can apps in different subnets of a VPC interact by default? Why?
NACL vs Security Group — which do you use and why?
EC2 instance terminated unexpectedly — troubleshoot
Lambda function fails randomly — how do you fix it?
AWS RDS storage is full — what do you do?
A developer deleted critical S3, RDS, and EC2 resources — what now?
Explain a cost optimization activity you performed
Explain a recent AWS challenge and how you solved it
Auto Scaling Group not launching EC2 — what's the issue?
Which AWS services do you use day to day?
Have you used EFS? What issues did you hit?
When do you choose EFS over EBS?
Disable AWS console access for IAM users
Lambda in one account connecting to an S3 bucket in another
What is AWS STS and how does it work?
What is a trust policy and why is it used?
Lambda in Account A interacting with DynamoDB in Account B
Disadvantages of using EBS volumes in Kubernetes
AWS Secrets Manager vs Parameter Store
Your day-to-day activities related to databases
Have you worked with Lambda? Explain your activities
Difference between an IAM user and an IAM role

Random downtime in an Azure App Service web app
How do you schedule a script to run daily on Azure?
Can't SSH or RDP to an Azure VM — how do you fix it?
Azure Function failed to execute — how do you debug?
Restrict a storage account to VMs in a specific VNet
Replicate a production SQL database to staging daily
How do you use tags on Azure resources? Do you enforce them?
Create Azure resources — Bicep, ARM, or Terraform?
Team has delete access — prevent accidental deletions
Secure app-to-app communication in an AKS cluster
Connect Azure VMs to an on-premises database
Data redundancy and performance in a multi-region deployment
VM app in East US is slow for users in Europe — what do you do?
Service Principals vs Managed Identities — which is better?
How you used NSG and ASG in real time

Common packages you use as a DevOps engineer
A real task where you used Python
Script to find and print a pattern from a huge log file in Python
Walk us through a typical day at work
Tell us about your DevOps experience
Your contribution to the team [for > 5 years experience]
Your contribution to the team [for < 5 years experience]
Tell us about your project in your current organization

Write a DevOps resume that clears ATS filters and gets shortlisted
The resume structure recruiters scan in 6 seconds (with template)
Write work experience using impact + metrics (before/after)
Which DevOps skills and tools to list — and which to drop
Describe projects so they sound senior (real rewrite examples)
Tailor your resume to a specific job description (keyword matching)
LinkedIn optimization: headline, About section, and banner
Get recruiters to message you (search & keyword strategy)
Optimize your Naukri / Indeed / Monster profile
Set up job alerts and apply smart (quality over quantity)
Ask for referrals the right way (templates included)
GitHub & portfolio: showcase your DevOps projects
Salary negotiation basics for DevOps roles
Build a personal brand that lands interviews

// 13 modules · 200+ lectures · 15h 26m · lifetime access

// after this course

What you'll be able to do

✓

Answer scenario questions with structure — diagnose, reason, and resolve out loud like a senior.

✓

Troubleshoot live — CrashLoopBackOff, OOMKilled, 502s, full disks, broken SSH.

✓

Speak to real architecture — HA multi-tier apps, VPC design, deployment & rollback strategy.

✓

Handle "tell me about a challenge" questions — with stories that land.

✓

Get past the ATS — with a resume recruiters actually shortlist.

✓

Get recruiters messaging you — through an optimized LinkedIn & job-platform profile.

// enroll today

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200+ scenario-based interview lectures₹3,499
DevSecOps & Security track₹999
Terraform + Ansible (IaC) track₹999
Career Launch: resume + profiles₹1,499
GitHub practice repo + hands-on labsincluded
Lifetime updates & new questionsincluded

Total value ₹6,995

₹3,000

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// questions

Before you enroll

Both. Questions are tagged for under-5-years and over-5-years experience, and the scenario format helps you whether you're sharpening fundamentals or prepping for senior rounds.

No. Each lecture explains the concept behind the question first, then the answer — so you learn and prepare at the same time. Pick the tracks you're weakest in.

Yes. One payment, no subscription. You get every future question and update added to the course at no extra cost.

You're covered by a 30-day money-back guarantee. If it doesn't help you prepare, request a full refund — no questions asked.

Your next interview is closer than you think.

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