Practice - Real-World Example: Messaging App
Practice Questions
Test your understanding with targeted questions
What does JWT stand for?
💡 Hint: Think of what it signifies about token data.
Why is it important to hash passwords?
💡 Hint: Consider what happens if passwords are stored plainly.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the primary function of JWT in user authentication?
💡 Hint: Think about what JWTs accomplish in login systems.
Role-based access control helps prevent unauthorized users from accessing admin features.
💡 Hint: Consider what happens when a regular user tries to access admin content.
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Challenge Problems
Push your limits with advanced challenges
Design a user authentication flow for a messaging app that incorporates refresh tokens. Describe how the flow would work.
💡 Hint: Think about how users manage sessions without logging in repeatedly.
Identify security vulnerabilities in a messaging app that stores JWTs in localStorage and propose solutions.
💡 Hint: Consider the implications of where and how tokens are stored.
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Reference links
Supplementary resources to enhance your learning experience.