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Intermediate~4h

Microservices in System DesignInterview Readiness Check

Service decomposition, inter-service communication, API gateways.

microservicesservice-meshapi-gatewaydecompositiondistributed

Learning path

Try a sample question

What is a microservice?

A.A service that processes requests in microseconds
B.A small, independently deployable service that owns a single business capability
C.A service with fewer than 1000 lines of code
D.A service that only handles microdata (small payloads)

Sign up free to take the full check and see the answer with an explanation.

What this module tests

  • Conceptual understanding of microservices fundamentals
  • Trade-offs and design decisions in real system scenarios
  • microservices and service-mesh — applied knowledge
  • Interview-style reasoning and explanation quality

Free to start

Take the Microservices check →

10 questions · Dimension scoring · AI coach feedback · Shareable result

Test your knowledge — free →

No credit card · Takes 10–15 min

Frequently asked questions

What does the Microservices check test?
The check covers service decomposition, inter-service communication, api gateways. Questions span beginner to advanced difficulty and test both conceptual understanding and practical trade-off reasoning.
What keywords should I know for Microservices?
Key concepts include: microservices, service-mesh, api-gateway, decomposition, distributed. These frequently appear in system design interviews at product and infrastructure companies.
How many questions are in the check?
Each check has 10 questions — a mix of MCQ and short-answer. You get scored by dimension (e.g., scalability, consistency) so you know exactly where to focus.
How long does it take to study Microservices?
Most engineers spend around 4 hours on this module. The check itself takes about 10–15 minutes. You can retake it up to 3 times per day.
What prerequisite knowledge do I need before Microservices?
Microservices builds on Load Balancing and Message Queues. Complete those first for the best results.
Is microservices, service-mesh, api-gateway covered?
Yes. The Microservices module covers microservices, service-mesh, api-gateway among other key concepts. The check includes questions that reflect real system design interview patterns.

What this unlocks