Each guide below explains one exam in plain language: what it covers, how it is built, how much time to plan, and how hard it really is. Every exam has five free sample questions with full explanations.
Microsoft exams
- SC-900: Security Fundamentals
- SC-200: Security Operations Analyst
- SC-300: Identity and Access Admin
- SC-401: Information Security Admin
- SC-500: Cloud and AI Security
- AZ-900: Azure Fundamentals
- AZ-104: Azure Administrator
- AZ-305: Azure Solutions Architect
- AZ-400: DevOps Engineer Expert
- AZ-802: Administering Windows Server
- PL-300: Power BI Data Analyst
- DP-600: Fabric Analytics Engineer
- DP-700: Fabric Data Engineer
- DP-750: Azure Databricks Engineer
- DP-800: SQL AI Developer
- AI-901: Azure AI Fundamentals
- AI-103: AI Apps and Agents on Azure
- AI-200: Azure AI Cloud Developer
- AI-300: MLOps and GenAIOps
- AB-100: Agentic AI Architect
- AB-620: AI Agent Builder
- AB-730: AI Business Professional
- AB-731: AI Transformation Leader
- AB-900: Copilot and Agent Admin
AWS exams
- AIF-C01: AWS AI Practitioner
- DVA-C03: AWS Developer Associate
- MLA-C02: ML Engineer Associate
- SAP-C03: Solutions Architect Pro
CompTIA exams
Cisco exams
Databricks exams
- Databricks Data Analyst Associate
- Databricks GenAI Engineer Associate
- Databricks ML Associate
- Databricks ML Professional
- Databricks Spark Associate
- Databricks Data Engineer Pro
Salesforce exams
ISACA exams
IRS exams
General guides
- How to study for an IT certification exam
- Exam question types
- Exam day guide
- Certification costs
- Glossary
- How we write our questions
Looking for full-length practice tests? See the practice exams.
Exam comparisons
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- AZ-104 vs AZ-802: Which First?
- AB-620 vs AI-103: Which Exam First?
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- AAIA vs AAISM: Which ISACA AI Exam First?
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- AI-103 vs AI-200: Which Exam Should You Take?
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- AB-100 vs AB-620: Which Exam First?
- AIF-C01 vs MLA-C02: Which First?
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- GenAI vs ML Associate: Which Databricks Exam?
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- Databricks ML Associate vs Professional
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- DP-600 vs PL-300: Which Exam First?
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- DP-750 vs Databricks Data Engineer Pro
- DVA-C03 vs SAP-C03: Which AWS Exam First?
- SEE Part 2 vs Part 3: Which First?
- SEE Part 1 vs Part 2: Which First?