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7+ curated questions with the same answer shape every time: quick recap, deep dive, pitfalls, and follow-ups. Coverage includes mvc and routing, controllers basics, render vs redirect, rails conventions.
Suggested path
Topics follow a teaching order. Each answer ends with a clear Next question control so you can move forward without hunting the list.
Rails basics interview questions for freshers cover what interviewers expect a junior Rails developer to know walking in. This module covers Rails MVC (Model — data and business logic, View — presentation, Controller — orchestration and glue), convention over configuration and what it means in practice, the directory structure of a new Rails app and what lives where, routes (resources :posts generates 7 RESTful routes — know all 7), controller basics (inherits from ApplicationController, actions are public methods, params hash), the difference between render (same request, same action) and redirect_to (new HTTP request), instance variables in controllers that flow to views, before_action, flash messages, and the most useful Rails console commands. Every answer traces the full request → response path.
Full catalog
Topics are ordered for learning. Within each topic, rows are numbered 1–7 globally so you always know where you are. Collapse topics if you want a lighter view — use Expand all when you need the full list again.
Numbers 1–7 follow the order we recommend — click any row to open the full answer, or use the sticky Next link at the bottom of each page to go Q1 → Q7.