System Design Fundamentals Practice Questions
Free, exam-style SDF practice with AI explanations. Drill scenario questions, see exactly why each answer is right or wrong, and track the topics you still need to work on — no braindumps.
What the SDF exam tests
The System Design Fundamentals exam is a foundational exam covering 4 topic areas. It tests whether you can apply the right service or pattern to a given scenario — not just recall definitions. ArchReady mirrors that with scenario-based questions across every topic.
Topics covered
- Scalability Patterns30% of exam
- Reliability and Availability25% of exam
- System Design Fundamentals25% of exam
- Data Management20% of exam
Free vs Pro
Free
- Practice SDF questions
- See correct answers
- Track which topics you’ve attempted
- One timed mock exam
Pro
- AI explanation on every question
- Ask the AI tutor follow-up questions
- Unlimited timed mock exams
- Personalized study path & weak-area report
Frequently asked questions
How many questions are on the SDF exam?expand_more
The System Design Fundamentals exam has around 50 questions and runs for about 90 minutes. You need roughly 70% to pass.
Are ArchReady's SDF practice questions braindumps?expand_more
No. Every question is written to match the official exam objectives and is designed to teach reasoning, not memorization. Braindumps (verbatim leaked exam questions) can get your certification revoked — ArchReady never uses them.
Is it free to practice for the SDF?expand_more
Yes. You can sign up free and practice System Design Fundamentals questions at no cost. Pro adds an AI tutor that explains every answer, unlimited timed mock exams, and a personalized study path.
How does the AI explanation work?expand_more
For each question, the AI tutor explains why the correct answer is right and why the others are wrong, and you can ask follow-up questions until the concept clicks.
Ready to practice the SDF?
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