Practice - Phase 2: Accept (or "Acceptance" Phase)
Practice Questions
Test your understanding with targeted questions
Define the role of a Proposer in the Paxos algorithm.
💡 Hint: Think about who initiates consensus in the Paxos protocol.
What happens if a Proposer receives a Promise from a minority of Acceptors?
💡 Hint: Consider the definition of majority in the context of consensus.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What phase follows the Prepare phase in the Paxos algorithm?
💡 Hint: Think about the order of operations in the Paxos protocol.
True or False: A value can be accepted by an Acceptor if it has not previously made a Promise regarding the proposal number.
💡 Hint: Consider how promises relate to proposals.
1 more question available
Challenge Problems
Push your limits with advanced challenges
In a scenario where three Proposers try to propose values at the same time, how might a distributed system ensure that only one of their values is chosen? Discuss mechanisms that can be employed.
💡 Hint: Consider the strategies mentioned in class.
Analyze a situation where an Acceptor consistently receives Accept messages with a proposal number lower than what it has previously promised. What action should the Acceptor take and why?
💡 Hint: Think about how promises enforce rules in Paxos.
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Reference links
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