Pass JSNSD Exam | RESTful APIs, Express, HTTP Security, Web Services, Fastify, JWT Auth & 300+ Mock Questions
Sub Category
- Web Development
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Objectives
- Design and build RESTful HTTP services using Node.js core http module and Fastify — including routing, request handling, response formatting, and content negoti
- Implement service security best practices — input validation, output sanitization, security headers, and protection against common web service vulnerabilities a
- Consume, proxy, and compose external HTTP services from within a Node.js service — including error propagation, timeout handling, and upstream failure patterns
- Apply authentication and authorization patterns in Node.js services — JWT-based auth, API key validation, and role-based access control within service route han
- Handle service-level error management — structured error responses, HTTP status code semantics, centralized error handling middleware, and logging strategies fo
- Gauge personal exam readiness through four timed, full-length practice tests with per-topic diagnostic feedback to direct final preparation precisely and effici
Pre Requisites
- Working experience building HTTP services or REST APIs with Node.js — you should have built and run at least one Node.js web service independently
- Solid knowledge of JavaScript async patterns — Promises, async/await, and callback-based APIs — as used in real service codebases
- Familiarity with HTTP fundamentals — methods, status codes, headers, request/response cycle, and REST conventions
FAQ
- Q. How long do I have access to the course materials?
- A. You can view and review the lecture materials indefinitely, like an on-demand channel.
- Q. Can I take my courses with me wherever I go?
- A. Definitely! If you have an internet connection, courses on Udemy are available on any device at any time. If you don't have an internet connection, some instructors also let their students download course lectures. That's up to the instructor though, so make sure you get on their good side!
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