CareerByteCode practice exam
System Design (Practice, 50)
Scenario-based system design practice exam covering databases, scaling, caching, queues, sharding, reliability, high availability and distributed systems trade-offs.
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Before you start
- 50 questions, 60 minutes, 70% to pass. The timer starts when you click Start and cannot be paused.
- Answers are submitted automatically when the time runs out. Unanswered questions score zero; multiple-answer questions need every correct option.
- Stay on the exam tab: leaving it is recorded, and leaving it often (25+ times) puts the certificate on hold for a quick review. Copy and paste are off during the exam.
- If the page reloads, you continue the same exam with the same time left: it is not a new attempt.
- Your certificate is issued in the name on your account (sign in to check it).
What this exam covers
Related exams
Common questions
Is this the official Other exam?
No. This is a practice exam that mirrors the System Design (Practice, 50) style and issues a verifiable CareerByteCode certificate on a pass, not the official vendor certificate.
Is it free?
Your first exam is free to start. It is auto-graded instantly and a verifiable certificate is included on a pass. More exams unlock with a one-month plan from Rs 177 including GST, or free by inviting friends.
How is it graded?
50 questions, auto-graded server-side, 70% to pass, 60 minute limit. You can review your answers after submitting.