Q1. What are microservices compared with a monolith?
A microservice architecture structures an application as a set of small, independently deployable services, each built around a business capability, owning its own data s...
Technical Question Bank · Peer-Reviewed
Job Interview Questions and Answers Directory
Search and filter frequently asked interview questions across technical, programming, and behavioral domains. Tailor your interview preparation by difficulty for freshers or experienced developers (8 available).
Active:
Tag: services ×
Q2. How does dependency injection work in Angular?
Dependency injection supplies instances to classes instead of letting them construct collaborators. Providers are registered at the root (providedIn: 'root'), on a route,...
Q3. How does systemd manage services?
systemd is the init system on most modern distributions. It starts services and manages dependencies, logging, and lifecycle. - Units describe resources: .service, .socke...
Q4. How do you design a CI/CD pipeline for a microservices application?
Optimise for independent, fast, and safe delivery per service. - Per-service pipelines: each repository builds, tests, and deploys its own service, avoiding a monolith pi...
Q5. How does Kubernetes service discovery work?
Kubernetes gives stable access to moving Pods through Services and DNS. - A Service selects Pods by label and gets a stable virtual IP, the ClusterIP, and a DNS name. - k...
Q6. When should you not use microservices?
Avoid microservices when: - The domain is still being explored. Wrong boundaries are far more expensive to move than within a monolith. - The team is small. Each service ...
Q7. What is GraphQL federation and when do you need it?
Federation lets several teams own separate GraphQL subgraphs and compose them into one graph for clients. Each subgraph declares the entities it owns with a key directive...
Q8. How would you design a test strategy for a microservices system?
Testing a distributed system needs a layered strategy, because full end-to-end coverage does not scale. - Unit tests per service for domain logic, run on every commit. - ...