🧩QuizCluster
Free practice quiz
Low-Level Design (LLD) & SOLID Quiz Questions
A sample of the 10 questions below — instant scoring and an explanation for every answer. No sign-in required to play.
Question 1
What does the "S" in SOLID stand for?
ASingle Responsibility Principle
BScalability Principle
CStatic Typing Principle
DSequential Processing Principle
Question 2
What does the Open/Closed Principle state?
AClasses should always be open source
BSoftware entities should be open for extension but closed for modification
CAll methods should be public
DCode should never be modified once written
Question 3
What is the main idea behind the Factory design pattern?
AMaking all classes final
BStoring objects in a factory database
CEncapsulating object creation logic so the client doesn't need to know the exact class being instantiated
DCombining multiple classes into one
↓ Scroll down to answer all 10 and see your score.
Preparing your quiz…