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Question 1:  Which of the following best describes a design pattern in JavaScript?

(A) A piece of ready-made code you can copy and paste

(B) A reusable solution to a common software problem

(C) A built-in JavaScript function

Question 2:  Which JavaScript design pattern allows only one instance of a class to be created?

(A) Singleton Pattern

(B) Factory Pattern

(C) Observer Pattern

Question 3:  The Factory Pattern in JavaScript is used for:

(A) Creating objects without specifying the exact class

(B) Ensuring only one instance exists

(C) Listening to multiple events

Question 4:  Which design pattern is best suited for managing complex object creation with many configurations?

(A) Builder Pattern

(B) Prototype Pattern

(C) Module Pattern

Question 5:  The Observer Pattern in JavaScript is mainly used for:

(A) Creating clones of objects

(B) Defining a one-to-many dependency between objects

(C) Hiding data from outside access

Question 6:  The Module Pattern is useful in JavaScript for:

(A) Encapsulating private variables and methods

(B) Listening for state changes

(C) Creating new object prototypes

Question 7:  Which pattern provides a simplified interface to a larger body of code?

(A) Adapter Pattern

(B) Facade Pattern

(C) Strategy Pattern

Question 8:  The Prototype Pattern in JavaScript creates objects:

(A) Using inheritance from existing objects

(B) Using classes

(C) By directly writing functions

Question 9:  Which pattern lets you choose an algorithm’s behavior at runtime?

(A) Strategy Pattern

(B) Factory Pattern

(C) Singleton Pattern

Question 10:  In JavaScript, the Revealing Module Pattern is different from the normal Module Pattern because it:

(A) Uses ES6 classes instead of functions

(B) Clearly defines which variables/methods are public or private

(C) Avoids using closures entirely