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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is symmetric key encryption?
💡 Hint: Think about how locks and keys work.
Question 2
Easy
What is ciphertext?
💡 Hint: What do you call the message after it has been scrambled?
Practice 4 more questions and get performance evaluation
Interactive Quizzes
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What does symmetric key encryption use?
- Two different keys
- One shared key
- Public keys
💡 Hint: Think about the analogy of a shared lock and key.
Question 2
True or False: The Diffie-Hellman protocol allows the exchange of symmetric keys over a public channel.
- True
- False
💡 Hint: Reflect on how they derive the key without revealing it.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
If Sita chose a random integer of 5, and Ram chose 7, explain the process in deriving their shared key using a cyclic group of prime number 11.
💡 Hint: Use the properties of the cyclic group to illustrate how they derive the common key.
Question 2
Critically evaluate the security risks associated with symmetric key encryption when keys are poorly managed.
💡 Hint: Consider what could happen if someone intercepts or gains access to the key.
Challenge and get performance evaluation