Engineer Drill
One Question at a Time

Sharpen your skills across DevOps, cloud, platform engineering, and more — with detailed explanations for every answer.

25

Topics

375

Questions

3

Difficulty Levels

Choose a Topic

25 available

AI Infrastructure & MLOps

Model training infrastructure, MLflow, feature stores, model serving, CI/CD for ML, and GPU cluster management.

Agentless automation for configuration management, application deployment, and orchestration using YAML playbooks.

API & Microservices

REST API design, service communication, API gateways, circuit breakers, service discovery, and decomposing monoliths.

Amazon Web Services: EC2, S3, RDS, IAM, VPC, Lambda, EKS and more

Microsoft Azure: VMs, Blob Storage, AKS, Azure DevOps, ARM templates

Continuous integration and delivery pipelines, GitHub Actions, Jenkins

Databases for DevOps

Database migrations, connection pooling, replication, backups, PostgreSQL, Redis, and managing databases in CI/CD pipelines.

Containerization, images, volumes, networking and Docker Compose

Cloud financial management, cost optimization, rightsizing, reserved instances, tagging strategies, and FinOps frameworks.

Google Cloud Platform: Compute Engine, Cloud Storage, GKE, Cloud Run, VPC, IAM, BigQuery, and serverless services.

Git & Version Control

Branching strategies, merge vs rebase, cherry-pick, conflict resolution, pull requests, and Git internals.

Workflows, runners, secrets, matrix builds, reusable workflows, caching, and GITHUB_TOKEN.

The Kubernetes package manager — deploy, upgrade, and rollback complex applications using reusable charts.

Incident Management

Incident response, severity classification, war rooms, runbooks, postmortems, and on-call practices.

Declarative and scripted pipelines, agents, shared libraries, triggers, credentials, and Blue Ocean.

Container orchestration, pods, deployments, services and scaling

Kubernetes Security

RBAC, Pod Security, network policies, secrets management, image scanning, and CIS Kubernetes benchmarks.

Shell commands, file permissions, process management, scripting

Monitoring & Observability

Prometheus, Grafana, ELK stack, distributed tracing and alerting

TCP/IP, DNS, HTTP, load balancers, firewalls and VPNs

Platform Engineering

Internal developer platforms, golden paths, self-service infrastructure, backstage, and improving developer experience.

Security & DevSecOps

OWASP, secrets management, SAST/DAST, container security, IAM principles

Istio, Linkerd, mTLS, traffic management, observability sidecars, and east-west traffic in microservice clusters.

SRE & Reliability

Site Reliability Engineering: SLOs, SLAs, error budgets, toil, on-call, blameless postmortems, and chaos engineering.

Infrastructure as Code with Terraform: providers, state, modules, workspaces