Design Principles - Quiz

Which principle aims to avoid the duplication of logic or knowledge across a system?

When should you build additional flexibility into your software design according to the YAGNI principle?

A module that performs unrelated operations such as user authentication, data parsing, and logging suffers from what design issue?

What does the KISS principle primarily encourage in software design?

Which scenario best demonstrates a violation of the Law of Demeter?

Why is high coupling between modules a maintenance problem?

According to Separation of Concerns, what should a data access layer NOT be responsible for?

When refactoring code to follow the DRY principle, which approach is best?

Which is the most direct benefit of composing objects rather than inheriting from them?

A module that sends notifications, processes payments, and calculates taxes best demonstrates what?

Choosing to use a highly generic, flexible architecture before understanding all project requirements most directly violates which principle?

What is a key risk of violating the DRY principle across documentation, business rules, and tests?

Match the design principle to its main benefit

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Match the OOP concept to its correct definition

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Match the software smell to what it threatens

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Match the real-world analogy to the software design concept

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Order the steps to refactor duplicate logic into a single shared component

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Order the steps to apply the Separation of Concerns principle to a large class

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Order the process to evolve a rigid inheritance hierarchy into a composition-based design

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Order the steps to minimize coupling between modules when introducing a new feature

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