Practice The Two Phases of Basic Paxos (Single Instance Consensus) - 1.3.2 | Module 5: Consensus, Paxos and Recovery in Clouds | Distributed and Cloud Systems Micro Specialization
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1.3.2 - The Two Phases of Basic Paxos (Single Instance Consensus)

Learning

Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What does a proposer do in the Basic Paxos algorithm?

πŸ’‘ Hint: Think about the role of the proposer in the consensus process.

Question 2

Easy

What is the first phase of the Basic Paxos algorithm?

πŸ’‘ Hint: Consider the initial step the proposer takes.

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 first phase of the Basic Paxos algorithm?

  • Accept Phase
  • Prepare Phase
  • Commit Phase

πŸ’‘ Hint: Recall the phases involved in the algorithm.

Question 2

True or False: The Paxos algorithm guarantees both safety and liveness.

  • True
  • False

πŸ’‘ Hint: Think about what the algorithm ensures under normal circumstances.

Solve 2 more questions and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

In a distributed system utilizing Basic Paxos, describe what would happen if the proposer ceases to respond after sending the Prepare message?

πŸ’‘ Hint: Consider the state the acceptors would be in with respect to the promises.

Question 2

Explain a scenario where multiple proposers start sending Prepare messages simultaneously. What impact does this have on the consensus process and how can it be mitigated?

πŸ’‘ Hint: Think about how leaders can facilitate the agreement process.

Challenge and get performance evaluation