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react / Redux Introduction
mcq
Direction: Choose the correct option

Q1.

What is Redux?
A. A routing library
B. A predictable state container for JavaScript apps
C. A testing framework
D. A React component library
Direction: Choose the correct option

Q2.

What are the core principles of Redux?
A. Multiple stores, mutable state, impure reducers
B. Component state
C. Two-way data binding
D. Single source of truth, state is read-only, changes are made with pure functions
Direction: Choose the correct option

Q3.

What is a store in Redux?
A. A component that stores data
B. An object that holds the application state
C. A function that updates state
D. A middleware
Direction: Choose the correct option

Q4.

What are actions in Redux?
A. Functions that modify state
B. Components that dispatch events
C. Reducers
D. Plain JavaScript objects that describe what happened
Direction: Choose the correct option

Q5.

What is a reducer?
A. A function that dispatches actions
B. A pure function that takes previous state and an action, and returns next state
C. A store enhancer
D. A component that reduces rendering