Free Study Guides

IT Certification Study Guides

Plain-English guides for every major IT certification. Real-life analogies, exam tips, and practice questions — all free, no signup required.

3035 total chapters Free forever
AZ-900

Microsoft Azure Fundamentals AZ-900

Complete AZ-900 Azure Fundamentals study guide — 127 chapters covering cloud concepts, Azure services, and governance for beginners.

127 chapters ~53h
CLF-C02

AWS Certified Cloud Practitioner CLF-C02

Complete AWS Cloud Practitioner CLF-C02 study guide — 130 chapters for beginners covering cloud concepts, AWS services, security, and billing.

130 chapters ~54h
SY0-701

CompTIA Security+ SY0-701

Complete Security+ SY0-701 study guide — 212 chapters covering all 5 exam domains with real-world examples, exam traps, and practice questions.

212 chapters ~88h
AZ-104

Microsoft Azure Administrator AZ-104

Complete AZ-104 Azure Administrator study guide — identity, storage, compute, networking, and monitoring for Azure admins.

168 chapters ~70h
AI-900

Microsoft Azure AI Fundamentals AI-900

Complete AI-900 study guide — AI workloads, machine learning, computer vision, NLP, and generative AI on Azure.

100 chapters ~42h
SAA-C03

AWS Certified Solutions Architect Associate SAA-C03

Complete SAA-C03 study guide — secure architectures, resilient design, high performance, and cost optimization on AWS.

189 chapters ~79h
220-1101

CompTIA A+ Core 1 220-1101

Complete A+ Core 1 220-1101 study guide — mobile devices, networking, hardware, cloud, and troubleshooting.

123 chapters ~51h
N10-009

CompTIA Network+ N10-009

Complete Network+ N10-009 study guide — networking concepts, implementation, operations, security, and troubleshooting.

163 chapters ~68h
SC-900

Microsoft Security, Compliance, and Identity Fundamentals SC-900

Complete SC-900 study guide — security, compliance, and identity fundamentals for Microsoft cloud services.

103 chapters ~43h
SOA-C02

AWS Certified SysOps Administrator Associate SOA-C02

Complete SOA-C02 study guide — monitoring, reliability, storage, compute, networking, and cost on AWS.

104 chapters ~43h
DP-900

Microsoft Azure Data Fundamentals DP-900

Complete DP-900 study guide — core data concepts, relational and non-relational data on Azure, analytics workloads.

101 chapters ~42h
220-1102

CompTIA A+ Core 2 220-1102

Complete A+ Core 2 220-1102 study guide — operating systems, security, software troubleshooting, and operational procedures.

131 chapters ~55h
CS0-003

CompTIA CySA+ CS0-003

Complete CySA+ CS0-003 study guide — threat detection, vulnerability management, incident response, and reporting.

100 chapters ~42h
DVA-C02

AWS Certified Developer Associate DVA-C02

Complete DVA-C02 study guide — developing and deploying cloud-native applications on AWS.

101 chapters ~42h
MS-900

Microsoft 365 Fundamentals MS-900

Complete MS-900 study guide — Microsoft 365 cloud services, productivity apps, security, compliance, and licensing.

104 chapters ~43h
AZ-500

Microsoft Azure Security Engineer Associate AZ-500

Complete AZ-500 study guide — identity, compute, storage, networking security, and security operations on Azure.

103 chapters ~43h
SC-200

Microsoft Security Operations Analyst SC-200

Complete SC-200 study guide — threat mitigation using Microsoft Sentinel, Defender XDR, and cloud security.

101 chapters ~42h
PT0-002

CompTIA PenTest+ PT0-002

Complete PenTest+ PT0-002 study guide — penetration testing planning, reconnaissance, attacks, reporting.

104 chapters ~43h
AZ-305

Microsoft Azure Solutions Architect Expert AZ-305

Complete AZ-305 study guide — designing Azure infrastructure solutions covering identity, networking, storage, and governance.

103 chapters ~43h
MS-102

Microsoft 365 Administrator MS-102

Complete MS-102 study guide — Microsoft 365 tenant management, identity, compliance, and security for admins.

104 chapters ~43h
ACE

Google Associate Cloud Engineer

Complete Google ACE study guide — deploying, monitoring, and managing Google Cloud applications and infrastructure.

101 chapters ~42h
CCNA 200-301

Cisco CCNA 200-301

Complete CCNA 200-301 study guide — all 6 domains, troubleshooting scenarios, configuration labs, and exam traps.

260 chapters ~108h
AZ-204

Microsoft Azure Developer Associate AZ-204

Complete AZ-204 study guide — developing Azure compute, storage, security, monitoring, and API solutions.

102 chapters ~43h
GCDL

Google Cloud Digital Leader

Complete Google Cloud Digital Leader study guide — cloud concepts, Google Cloud products, and digital transformation.

101 chapters ~42h