Practice Learner - 1.3.1.3 | Module 5: Consensus, Paxos and Recovery in Clouds | Distributed and Cloud Systems Micro Specialization
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1.3.1.3 - Learner

Learning

Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What is the role of a learner in the Paxos algorithm?

πŸ’‘ Hint: Think about the communication and agreement process.

Question 2

Easy

Can learners directly query acceptors about their state?

πŸ’‘ Hint: Remember the interaction among the roles.

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 a learner do in the Paxos algorithm?

  • Proposes a value
  • Votes on a value
  • Learns the chosen value

πŸ’‘ Hint: Remember the interaction between different roles in the algorithm.

Question 2

True or False: A learner can send a proposal in the Paxos algorithm.

  • True
  • False

πŸ’‘ Hint: Think about the distinct roles in the consensus process.

Solve 2 more questions and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

Design a failure recovery strategy for a Paxos system where the learner loses communication with the acceptors due to a network partition. How would you ensure the consensus remains intact?

πŸ’‘ Hint: Think about how fault tolerance mechanisms can be integrated.

Question 2

Evaluate the reliability of a Paxos system when learners occasionally receive outdated information due to communication delays. What mechanisms could ensure consistency despite these delays?

πŸ’‘ Hint: Consider how the system can verify the freshness of its data.

Challenge and get performance evaluation