Quizzes
Short quizzes on the tools you already use. Find the gaps before an interview or an incident does.
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Spring Boot: Java Application Framework Essentials
- Spring Boot
- Java
- 20 Questions
- ~5 min
- 11 Aug, 2026
- Level: Intermediate
Spring Boot removed most of the ceremony from Java backend development, but the framework still does a lot of work you cannot see. This quiz walks through dependency injection, auto-configuration, RES

Java: Core Language & JVM Fundamentals
Java has quietly powered banks, Android, and countless backend systems for decades, and the language keeps evolving with records, sealed classes, and virtual threads. This quiz walks through the core

Rust: Ownership, Borrowing & Memory Safety
- Rust
- Systems Programming
- 20 Questions
- ~5 min
- 28 May, 2026
- Level: Intermediate
This quiz tests your grip on the parts of Rust that trip up newcomers and pay off later: ownership and moves, borrowing and lifetimes, traits and generics, pattern matching, error handling with `Resul

System Design & Architecture: Scalability & Resilience
- Architecture
- Software Engineering
- 20 Questions
- ~5 min
- 24 Mar, 2026
- Level: Advanced
Welcome to the System Design & Architecture quiz! Test your knowledge on scalability, reliability, performance, trade-offs, distributed systems patterns, and architectural decisions for production sys

Testing Strategies: Unit, Integration, E2E
- Quality Assurance
- Testing
- 20 Questions
- ~5 min
- 23 Mar, 2026
- Level: Intermediate
Welcome to the Testing Strategies Quiz! This quiz covers unit testing, integration testing, end-to-end testing, mocking, fixtures, code coverage, and more. Test your knowledge and understanding of the

TypeScript Advanced: Types, Generics, Utility Types
- Programming
- Frontend
- 20 Questions
- ~5 min
- 22 Mar, 2026
- Level: Advanced
Welcome to the TypeScript Advanced Quiz! Test your knowledge on advanced types, generics, utility types, and more. Each question has a hint and explanations for all options. Good luck!

Kubernetes Advanced: Production Operations & Scaling
- Container Orchestration
- DevOps
- 20 Questions
- ~5 min
- 21 Mar, 2026
- Level: Advanced
Welcome to the Kubernetes Advanced Quiz! This quiz is designed to test your knowledge of Kubernetes concepts related to production operations and scaling. Each question will challenge your understandi

WebAssembly (WASM): Performance & Interoperability
- Emerging Tech
- Performance
- 20 Questions
- ~5 min
- 20 Mar, 2026
- Level: Intermediate
Welcome to the WebAssembly (WASM) Quiz! This quiz will test your knowledge of WebAssembly concepts, performance benefits, and practical use cases. Each question is designed to challenge your understan

Multi-Cloud Strategy & Architecture
- Cloud
- Architecture
- 20 Questions
- ~5 min
- 19 Mar, 2026
- Level: Intermediate
Welcome to the Multi-Cloud Strategy & Architecture Quiz! Test your knowledge on multi-cloud concepts, vendor lock-in, cloud-agnostic design, Kubernetes, multi-cloud storage, disaster recovery, and mor

Azure Advanced: App Service, Functions, Container Instances
Welcome to the Azure Advanced Quiz! This quiz tests your knowledge of Azure services and patterns at an advanced level. It covers topics like App Service, Azure Functions, Container Instances, Azure S

Advanced Frontend Patterns: State Management & Performance
- Frontend
- Performance
- 20 Questions
- ~5 min
- 17 Mar, 2026
- Level: Intermediate
Master advanced frontend architecture: state management (Redux, Zustand), performance optimization, code splitting, lazy loading, and responsive design patterns.

AWS Advanced: EC2, RDS, Lambda, CloudFormation
Welcome to the AWS Advanced Quiz! Test your knowledge of EC2 instance types, RDS databases, Lambda functions, CloudFormation templates, and more. This quiz is designed for those with intermediate AWS

Flutter: Cross-Platform Mobile Development
- Mobile
- 20 Questions
- ~5 min
- 15 Mar, 2026
- Level: Intermediate
Welcome to the Flutter Mobile Development quiz! Test your knowledge of Flutter, Google's cross-platform UI toolkit for building natively compiled applications for mobile, web, and desktop from a singl

Production Backend: Scaling, Monitoring & Reliability
Welcome to the "Production Backend: Scaling, Monitoring & Reliability" quiz! This quiz tests your knowledge of key concepts and best practices for running production backend systems at scale. You'll b

Astro: Building Fast Web Experiences
- Frontend
- Frameworks
- 20 Questions
- ~5 min
- 13 Mar, 2026
- Level: Beginner
Welcome to the Astro Fundamentals Quiz! Test your knowledge of Astro's core concepts: island architecture, server components, client directives, content collections, integrations, layouts, routing, dy

Async JavaScript: Promises, Async/Await, Event Loop
- Backend
- JavaScript
- 20 Questions
- ~5 min
- 12 Mar, 2026
- Level: Intermediate
Welcome to the Async JavaScript quiz! Test your knowledge of Promises, async/await, the event loop, and advanced concurrency patterns. Each question has a hint and detailed explanations for all option

React Native: Cross-Platform Mobile Development
- Mobile
- 20 Questions
- ~5 min
- 11 Mar, 2026
- Level: Intermediate
Welcome to the React Native Mobile Development Quiz! Test your knowledge of building native iOS and Android apps using React Native. This quiz covers key concepts like components, navigation, state ma

Database Design & Patterns
Welcome to the Database Design & Patterns Quiz! Test your knowledge on database normalization, indexing, query optimization, ACID properties, sharding, replication, and more. Each question has a hint

Advanced CSS: Layouts, Modern Features & Performance
- Web Design
- Frontend
- 20 Questions
- ~5 min
- 09 Mar, 2026
- Level: Intermediate
Welcome to the Advanced CSS Quiz! Test your knowledge of modern CSS features, layout techniques, and performance optimization. This quiz covers CSS Grid, custom properties, animations, transforms, and

Vue.js Fundamentals: Reactive Components & Templates
Welcome to the Vue.js Basics Quiz! Vue.js is a progressive JavaScript framework for building user interfaces. Whether you're creating a simple interactive widget or a complex single-page application,

Responsive Web Design: Mobile-First & Breakpoints
- Web Design
- CSS
- 20 Questions
- ~5 min
- 07 Mar, 2026
- Level: Beginner
Welcome to the Responsive Design Quiz! Most traffic now arrives on a phone, so a layout has to hold up on any screen size. This quiz will test your knowledge of responsive design principles, including

Advanced API Architecture & Design Patterns
- API & Integration
- Architecture
- 20 Questions
- ~5 min
- 06 Mar, 2026
- Level: Intermediate
Welcome to the Advanced API Architecture Quiz! This quiz will test your knowledge of advanced API design patterns, including REST, gRPC, webhooks, API versioning, caching strategies, pagination techni

Infrastructure Patterns: IaC, Provisioning & Orchestration
- DevOps
- Infrastructure
- 20 Questions
- ~5 min
- 05 Mar, 2026
- Level: Intermediate
Welcome to the Infrastructure Patterns Quiz! This quiz will test your knowledge of infrastructure management, including Infrastructure as Code (IaC), provisioning, configuration management, orchestrat

Node.js & Express Fundamentals: Building Server Applications
Welcome to the Node.js & Express Fundamentals Quiz! This quiz will test your knowledge of core concepts in building server applications with Node.js and Express. From understanding the basics of Node.

React Fundamentals: Components, Hooks & State Management
Welcome to the React Fundamentals Quiz! This quiz will test your knowledge of core React concepts, including components, JSX, hooks, state management, props, and event handling. Whether you're new to

HTML Semantics & Web Accessibility
- HTML
- Accessibility
- 20 Questions
- ~5 min
- 02 Mar, 2026
- Level: Beginner
Welcome to the HTML Semantics & Accessibility Quiz! This quiz will test your knowledge of semantic HTML elements and web accessibility best practices. Each question has a hint to help you out, and you

API Security & Authentication: Protecting Your APIs
- API Security
- Security
- 20 Questions
- ~5 min
- 01 Mar, 2026
- Level: Intermediate
Welcome to the API Security & Authentication Quiz! This quiz will test your knowledge of key concepts and best practices for securing APIs. Each question is designed to challenge your understanding of

Observability Stack: Monitoring, Logging & Tracing
- Observability
- DevOps
- 20 Questions
- ~5 min
- 28 Feb, 2026
- Level: Intermediate
Welcome to the Observability Stack Quiz! This quiz will test your knowledge of monitoring, logging, and tracing concepts in modern software systems. Each question is designed to challenge your underst

CSS Fundamentals: Selectors, Box Model & Styling
Welcome to the CSS Fundamentals quiz! This quiz will test your knowledge of CSS basics, including selectors, the box model, properties, and layout techniques. Each question reinforces one concept so y

GraphQL Fundamentals: Queries, Mutations & Schema Design
- GraphQL
- API Development
- 20 Questions
- ~5 min
- 26 Feb, 2026
- Level: Beginner
Welcome to the GraphQL Basics Quiz! Learning GraphQL well matters for building efficient, flexible APIs that let clients request exactly what they need. This quiz will test your understanding of core

GitOps at Scale: ArgoCD, Flux & Multi-Cluster Deployments
- GitOps
- Multi Cluster
- 20 Questions
- ~5 min
- 25 Feb, 2026
- Level: Intermediate
Welcome to the GitOps at Scale Quiz! As organizations grow, managing multiple Kubernetes clusters with GitOps becomes an important skill. This quiz will test your understanding of how to architect, de

Istio: Service Mesh Fundamentals
- Istio
- Service Mesh
- 20 Questions
- ~5 min
- 24 Feb, 2026
- Level: Advanced
Welcome to the Istio Basics Quiz! Istio is often the "final boss" of Kubernetes infrastructure. It adds traffic control and security that production-grade microservices depend on. This quiz will test

Elasticsearch: Full-Text Search Engine Fundamentals
- Elasticsearch
- Search
- 20 Questions
- ~5 min
- 23 Feb, 2026
- Level: Intermediate
Welcome to the Elasticsearch Basics Quiz! Elasticsearch sits behind a large share of log analysis and real-time search. Whether you are troubleshooting a production crash by digging through Filebeat l

MongoDB: NoSQL Database Fundamentals
Welcome to the MongoDB Basics Quiz! NoSQL databases changed the way we handle modern web scale data. Understanding the document model, the flexibility of BSON, and the aggregation pipeline matters for

SQL: Query Fundamentals & Database Concepts
Welcome to the SQL Basics Quiz! Relational databases hold the data behind most modern applications. Whether you're a developer writing queries or a DevOps engineer maintaining a production cluster, ma

Go: Programming Fundamentals & Concurrency
- Programming
- DevOps
- 20 Questions
- ~5 min
- 20 Feb, 2026
- Level: Intermediate
Welcome to the Go (Golang) Basics Quiz! Most modern infrastructure tooling is written in Go, largely because of its compiled performance and built-in concurrency. This quiz will test your understandin

Redis: In-Memory Caching & Data Structures
Welcome to the Redis Basics Quiz! Redis serves data from memory, which is why it sits in front of so many databases. Whether it is used as a simple cache, a data structure store, or a real-time messag

Nginx: Web Server Fundamentals
- Web Servers
- DevOps
- 20 Questions
- ~5 min
- 18 Feb, 2026
- Level: Beginner
Welcome to the Nginx Basics Quiz! Nginx is the Swiss Army knife of modern web infrastructure. Whether you are serving a simple static site, managing traffic for a massive cluster of microservices, or

Packer: Infrastructure Image Building Fundamentals
- Infrastructure
- DevOps
- 20 Questions
- ~5 min
- 17 Feb, 2026
- Level: Intermediate
Welcome to the Packer Basics Quiz! Packer creates consistent, automated machine images across any platform. This quiz will test your knowledge of how builders, provisioners, and post-processors work t

HashiCorp Vault: Secrets Management Fundamentals
Welcome to the HashiCorp Vault Basics Quiz! In modern DevOps, security cannot be an afterthought. Vault provides the "Source of Truth" for secrets, certificates, and encryption. This quiz will test yo

Google Cloud Platform: GCP Essentials
- Cloud Computing
- GCP
- 20 Questions
- ~5 min
- 15 Feb, 2026
- Level: Intermediate
Welcome to the GCP Basics Quiz! Google Cloud Platform is known for its global network and for GKE, the Kubernetes implementation most others are compared against. This quiz will test your knowledge of

Azure: Cloud Services & Architecture Fundamentals
- Cloud Computing
- Azure
- 20 Questions
- ~5 min
- 14 Feb, 2026
- Level: Intermediate
Welcome to the Azure Basics Quiz! Azure is one of the most widely used enterprise cloud platforms, so knowing it and its DevOps ecosystem matters for any cloud role. This quiz will test your knowledge

Prometheus & Grafana: Monitoring & Observability Fundamentals
- Monitoring
- DevOps
- 20 Questions
- ~5 min
- 13 Feb, 2026
- Level: Intermediate
Welcome to the Prometheus & Grafana Basics Quiz! Monitoring and Observability are the heart of a stable production environment. This quiz will test your knowledge on how metrics are collected, how to

Helm: Kubernetes Package Management Essentials
- Kubernetes
- DevOps
- 20 Questions
- ~5 min
- 12 Feb, 2026
- Level: Advanced
Welcome to the Helm Basics Quiz! Helm is the "Package Manager for Kubernetes," and understanding it matters for any modern DevOps engineer. This quiz will test your knowledge of how charts are structu

GitLab CI/CD: Pipeline Automation Fundamentals
Welcome to the GitLab CI/CD Basics Quiz! This quiz covers the fundamentals of GitLab CI/CD, including pipelines, jobs, stages, triggers, and best practices. Test your knowledge and see how well you un

GitHub Actions: Workflow Automation Essentials
Welcome to the GitHub Actions Basics Quiz! This quiz covers the fundamentals of GitHub Actions, including workflows, jobs, steps, triggers, and best practices. Test your knowledge and see how well you

Jenkins: CI/CD Automation & Pipeline Management
Welcome to the Jenkins Basics Quiz! This quiz covers fundamental Jenkins concepts, including pipeline as code, Jenkinsfile syntax, agents and stages, build automation, plugins, and CI/CD best practice

Terragrunt: Infrastructure as Code Management
- Infrastructure as Code
- DevOps
- 20 Questions
- ~5 min
- 08 Feb, 2026
- Level: Advanced
Welcome to the Terragrunt Basics Quiz! This quiz covers fundamental Terragrunt concepts, including DRY configuration management, remote state handling, module dependencies, and best practices for mana

CI/CD: Pipeline Automation Essentials
Welcome to the CI/CD Basics Quiz! This quiz covers fundamental continuous integration and continuous delivery concepts, pipeline automation, and modern DevOps best practices. Each question is multiple

Git: Version Control Fundamentals
- Git
- Version Control
- 20 Questions
- ~5 min
- 06 Feb, 2026
- Level: Beginner
Welcome to the Git Basics Quiz! This quiz covers fundamental Git concepts, version control workflows, and collaborative development best practices. Each question is multiple-choice, and you'll find hi

Kubernetes: Container Orchestration Essentials
- Kubernetes
- Container Orchestration
- 20 Questions
- ~5 min
- 05 Feb, 2026
- Level: Advanced
Welcome to the Kubernetes Basics Quiz! This quiz covers fundamental Kubernetes concepts, container orchestration, and cloud-native application deployment best practices. Each question is multiple-choi

TypeScript: Typed JavaScript Fundamentals
- TypeScript
- Programming
- 20 Questions
- ~5 min
- 04 Feb, 2026
- Level: Intermediate
Welcome to the TypeScript Basics Quiz! This quiz covers fundamental TypeScript concepts, static typing, and type-safe programming best practices. Each question is multiple-choice, and you'll find hint

JavaScript: Language Fundamentals & Modern Features
- JavaScript
- Programming
- 20 Questions
- ~5 min
- 03 Feb, 2026
- Level: Intermediate
Welcome to the JavaScript Basics Quiz! This quiz tests your understanding of fundamental JavaScript concepts, syntax, and modern programming best practices. Each question is multiple-choice, and you'l

Python: Programming Fundamentals & Best Practices
- Python
- Programming
- 20 Questions
- ~5 min
- 02 Feb, 2026
- Level: Beginner
Welcome to the Python Basics Quiz! This quiz tests your understanding of fundamental Python concepts, syntax, and programming best practices. Each question is multiple-choice, and you'll find hints to

ArgoCD: GitOps Automation with Kubernetes
Welcome to the ArgoCD Basics Quiz! This quiz is designed to test your understanding of fundamental ArgoCD concepts, GitOps principles, and continuous delivery best practices for Kubernetes. Each quest

PowerShell: Windows Scripting Fundamentals
- PowerShell
- Windows
- 20 Questions
- ~5 min
- 31 Jan, 2026
- Level: Beginner
Welcome to the PowerShell Basics Quiz! This quiz covers fundamental PowerShell concepts, cmdlets, and scripting best practices. Each question is multiple-choice, and you'll find hints to help you alon

Bash: Shell Scripting Fundamentals
- Bash
- Shell Scripting
- 20 Questions
- ~5 min
- 30 Jan, 2026
- Level: Beginner
Welcome to the Bash Basics Quiz! This quiz covers fundamental Bash scripting concepts, syntax, and best practices. Each question is multiple-choice, and you'll find hints to help you along the way. Go

Linux: System Administration Fundamentals
- Linux
- Operating Systems
- 20 Questions
- ~5 min
- 29 Jan, 2026
- Level: Beginner
Welcome to the Linux Basics Quiz! This quiz covers fundamental Linux concepts, commands, and system administration best practices. Each question is multiple-choice, and you'll find hints to help you a

Docker: Containerization Fundamentals
- Docker
- Containerization
- 20 Questions
- ~5 min
- 28 Jan, 2026
- Level: Intermediate
Welcome to the Docker Basics Quiz! This quiz covers fundamental Docker concepts, containerization, and best practices. Each question is multiple-choice, and you'll find hints to help you along the way

Ansible: Configuration Management & Automation
- Ansible
- Configuration Management
- 20 Questions
- ~5 min
- 27 Jan, 2026
- Level: Intermediate
Welcome to the Ansible Basics Quiz! This quiz covers fundamental Ansible concepts, modules, and best practices. Each question is multiple-choice, and you'll find hints to help you along the way. Good

AWS: Cloud Services & Architecture Fundamentals
- AWS
- Cloud Computing
- 20 Questions
- ~5 min
- 26 Jan, 2026
- Level: Intermediate
Welcome to the AWS Basics Quiz! This quiz covers fundamental AWS concepts and best practices. Each question is multiple-choice, and you'll find hints to help you along the way. Good luck!

Terraform: Infrastructure as Code Essentials
- Terraform
- Infrastructure as Code
- 20 Questions
- ~5 min
- 24 Jan, 2026
- Level: Advanced
Welcome to the Terraform Basics Quiz! This quiz is designed to test your understanding of fundamental Terraform concepts and best practices. Each question is multiple-choice, and you'll find hints to