Professional Courses
Industry-relevant training in Business, Technology, and Design to help professionals and graduates upskill for real-world careers.
Categories
Interactive Games
Fun, engaging games to boost memory, math fluency, typing speed, and English skills—perfect for learners of all ages.
Typing
Memory
Math
English Adventures
Knowledge
Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is the main goal of the proposer in the Prepare phase?
💡 Hint: Think about the core function of a proposer in a consensus algorithm.
Question 2
Easy
What happens if the proposal number is not greater than any previously used numbers?
💡 Hint: How do acceptors prioritize their responses?
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 is the primary purpose of the Prepare phase in the Paxos algorithm?
- A. To finalize the consensus
- B. To gather promises from acceptors
- C. To reject proposals
💡 Hint: Think about the goals during the initial steps of consensus.
Question 2
True or False: Once a proposer sends a Prepare(n) message, it can still propose a lower-numbered Prepare later.
- True
- False
💡 Hint: Recall how proposal numbers must progress.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
A proposer P sends a Prepare(10) message, but receives no promise due to conflicting Prepare(12) messages from different proposers. How should P proceed to ensure acceptance?
💡 Hint: Consider how Paxos manages proposal conflicts through incrementing numbers.
Question 2
Explain how the inclusion of previously accepted values in a promise response impacts the next steps of the Paxos consensus process.
💡 Hint: Think about the implications of consistency in decision-making.
Challenge and get performance evaluation