Practice tests
Certification & skill tests
Browse by cloud provider or topic. Each track has timed exams and an untimed study mode — start without signing in.
Amazon Web Services
CLF, SAA, Security, and Advanced Networking practice exams.
AWS Cloud Practitioner
AWS Certified Cloud Practitioner (CLF-C02) — foundational cloud concepts, services, and billing.
- Beginner
- 3 tests · 195 questions
- Pass 70%
AWS Solutions Architect Associate
AWS Certified Solutions Architect – Associate (SAA-C03) — design resilient, secure, and cost-optimized architectures.
- Intermediate
- 3 tests · 195 questions
- Pass 72%
AWS Security Specialty
AWS Certified Security – Specialty (SCS-C02) — identity, data protection, and incident response.
- Advanced
- 3 tests · 330 questions
- Pass 72%
AWS Advanced Networking Specialty
AWS Certified Advanced Networking – Specialty (ANS-C01) — hybrid connectivity, routing, and network security.
- Advanced
- 3 tests · 320 questions
- Pass 72%
Microsoft Azure
AZ-104, AZ-500, and AZ-304 administrator and architect paths.
Azure Administrator (AZ-104)
AZ-104 — manage Azure identities, storage, compute, and virtual networks.
- Intermediate
- 3 tests · 301 questions
- Pass 70%
Azure Security Engineer (AZ-500)
AZ-500 — identity, platform protection, security operations, and data security on Azure.
- Advanced
- 3 tests · 236 questions
- Pass 70%
Azure Architect Design (AZ-304)
AZ-304 — design monitoring, data storage, infrastructure, and business continuity on Azure.
- Advanced
- 3 tests · 119 questions
- Pass 70%
Google Cloud
Associate Cloud Engineer and professional GCP certifications.
Google Associate Cloud Engineer
Associate Cloud Engineer — deploy apps, manage compute, storage, and networking on GCP.
- Intermediate
- 3 tests · 240 questions
- Pass 70%
GCP Professional Cloud Network Engineer
Professional Cloud Network Engineer — VPC design, hybrid connectivity, and network security on GCP.
- Advanced
- 3 tests · 100 questions
- Pass 70%
GCP Professional Cloud Developer
Professional Cloud Developer — build scalable applications and services on Google Cloud.
- Advanced
- 3 tests · 100 questions
- Pass 70%
Kubernetes & DevOps
CKS, Jenkins, and infrastructure automation practice.
DevOps
CI/CD, containers, cloud ops, monitoring, and infrastructure-as-code interview-style questions.
- Intermediate
- 3 tests · 129 questions
- Pass 70%
CKS — Kubernetes Security
Certified Kubernetes Security Specialist — cluster hardening, supply chain security, and runtime protection.
- Advanced
- 3 tests · 300 questions
- Pass 70%
Jenkins Certified Engineer
Jenkins CJE — pipelines, plugins, distributed builds, and CI/CD automation.
- Intermediate
- 3 tests · 180 questions
- Pass 70%
Project management
PMP scenario-based certification practice.
Programming
Python, JavaScript, Java, and React fundamentals.
Python
Core Python — syntax, types, control flow, functions, OOP, and standard library fundamentals.
- Beginner
- 3 tests · 120 questions
- Pass 70%
JavaScript
JavaScript fundamentals — types, functions, scope, async, DOM concepts, and ES6+ patterns.
- Beginner
- 3 tests · 201 questions
- Pass 70%
Java
Java core — classes, collections, concurrency, JVM basics, and object-oriented design.
- Intermediate
- 3 tests · 310 questions
- Pass 70%
React.js
React — components, hooks, state, effects, routing patterns, and modern frontend practices.
- Intermediate
- 3 tests · 200 questions
- Pass 70%
Data & machine learning
Data science and ML concept drills.
Machine Learning
ML fundamentals — algorithms, training, evaluation, feature engineering, and model selection.
- Intermediate
- 3 tests · 108 questions
- Pass 70%
Data Science
Data science practice — statistics, pandas-style workflows, visualization, and analytical reasoning.
- Intermediate
- 3 tests · 108 questions
- Pass 70%
System design
Architecture, scalability, and infrastructure Q&A.
