IT Quiz — 56 Categories

5,308+ real questions across security, networking, coding, cloud, Linux and every other corner of IT. Pick a category to see sample questions, or jump straight into the full interactive quiz.

Python (Coding)

Python syntax, standard-library usage, and the language idioms that come up in day-to-day scripting and application work.

JavaScript (Coding)

Core JavaScript language behavior, async patterns, and the quirks that trip up both beginners and experienced developers.

Linux command-line usage, file permissions, process management, and the everyday admin tasks every sysadmin and developer needs.

General information security concepts — threats, defenses, and the fundamentals every IT professional should know.

Computer hardware components, how they interact, and the troubleshooting knowledge behind keeping systems running.

TCP/IP fundamentals, routing, protocols, and the networking concepts behind how systems talk to each other.

Writing and reading SQL — queries, joins, indexing basics, and the relational concepts behind working databases.

Programming Fundamentals

Language-agnostic programming concepts: data structures, algorithms, and core computer-science fundamentals.

Database design, normalization, transactions, and the concepts behind both relational and NoSQL systems.

AI & Machine Learning

Machine learning fundamentals — models, training, evaluation — and the AI concepts reshaping modern software.

Mobile Development

Mobile app development concepts across iOS and Android — platform basics, lifecycle, and mobile-specific constraints.

Agile methodology, Scrum ceremonies and roles, and the practices behind iterative software delivery.

Soft Skills & Behavioral

Communication, collaboration, and the behavioral competencies that come up in interviews and team settings.

Broad general-IT knowledge spanning multiple domains — a good baseline check for any technical role.

Rust language fundamentals — ownership, borrowing, and the safety guarantees that define the language.

Go language fundamentals — goroutines, channels, and the simplicity-first idioms Go is built around.

C++ language fundamentals — memory management, templates, and the performance-oriented features developers rely on.

Product Management

Product strategy, roadmapping, and the cross-functional skills behind shipping the right thing.

Google Cloud (GCP)

Google Cloud Platform services and concepts — compute, storage, and the GCP-specific tooling teams rely on.

Statistical analysis, modeling, and the data-science workflow behind turning data into insight.

Microsoft Azure

Microsoft Azure services and concepts — compute, storage, and the Azure-specific tooling teams rely on.

SAP modules and enterprise-resource-planning concepts behind one of the world's most widely deployed ERP suites.

Amazon Web Services (AWS)

AWS services and concepts — EC2, S3, IAM, and the building blocks behind the world's largest cloud platform.

Kubernetes orchestration concepts — pods, deployments, services, and how the platform manages containers at scale.

Encryption, hashing, and the cryptographic primitives that keep data confidential and verifiable.

Metrics, logging, and tracing — the practices behind understanding what a production system is actually doing.

Salesforce platform concepts — objects, workflows, and the configuration/development knowledge behind the CRM.

Incident Response

Detecting, containing, and recovering from security incidents — the process behind handling a live breach.

Container fundamentals — images, runtimes, and the concepts behind packaging and running containerized workloads.

WordPress administration and development — themes, plugins, and the CMS internals behind the world's most-used publishing platform.

Security folded into the development pipeline — shift-left practices, tooling, and secure-by-default delivery.

Chaos Engineering

Deliberately injecting failure to test resilience — the practices behind building systems that survive real-world chaos.

Identity & Access Management

Authentication, authorization, and the identity concepts behind controlling who can access what.

Compliance & GRC

Governance, risk, and compliance — frameworks, audits, and the regulatory side of running IT responsibly.

Business intelligence and analytics — reporting, dashboards, and turning raw data into decisions.

Operationalizing machine learning — pipelines, versioning, and the practices behind reliable ML in production.

Electricity & Electronics

Electrical and electronics fundamentals behind the hardware every computing system runs on.

Social Engineering

Phishing, pretexting, and the human-manipulation tactics attackers use to bypass technical defenses.

TypeScript (Coding)

TypeScript's type system and the tooling it adds on top of JavaScript for safer, larger codebases.

Penetration Testing

Offensive security techniques — reconnaissance, exploitation, and the methodology behind authorized pentesting.

Frontend Development

Client-side web development concepts — frameworks, rendering, and the practices behind modern UIs.

Data Engineering

Building data pipelines — ETL/ELT, warehousing, and the infrastructure behind moving and shaping data at scale.

Java language fundamentals — the JVM, OOP concepts, and the ecosystem behind one of the most-deployed languages.

HTML & CSS (Coding)

Markup and styling fundamentals — semantic HTML, the CSS box model, and layout behind every web page.

Embedded Systems

Embedded and firmware development — microcontrollers, real-time constraints, and low-level hardware interfacing.

Software testing practices — test design, automation, and the QA process behind shipping reliable software.

Kotlin (Coding)

Kotlin language fundamentals — null safety, coroutines, and the modern JVM/Android development idioms.

Swift language fundamentals — optionals, protocols, and the idioms behind modern Apple-platform development.

PowerShell (Coding)

PowerShell scripting and cmdlets — the automation language behind modern Windows and cross-platform admin.

Bash shell scripting — the automation and glue-code language behind most Linux/Unix system administration.

Regular expression syntax and pattern matching — a small language every developer eventually needs.

Windows administration fundamentals — the OS concepts and tooling behind managing Windows systems.

Problem Solving

Logical and analytical problem-solving — the reasoning skills behind technical interviews and real debugging.

CI/CD, automation, and the culture/practices behind bridging development and operations.

IT leadership and management concepts — team, project, and technology-decision fundamentals.

Cloud Computing

Cloud computing fundamentals — the shared concepts behind IaaS/PaaS/SaaS across any provider.