Practice Crash Failures (fail-stop) (3.1.1) - Consensus, Paxos and Recovery in Clouds
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Crash Failures (Fail-Stop)

Practice - Crash Failures (Fail-Stop)

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Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What is a crash failure?

💡 Hint: Think about processes that stop working suddenly.

Question 2 Easy

What is consensus?

💡 Hint: Consider how groups make decisions together.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What defines a crash (fail-stop) failure?

A process runs incorrectly
A process halts and stops communication
A process sends multiple conflicting messages

💡 Hint: Remember the key characteristics of this failure type.

Question 2

True or False: Consensus can be achieved with crash failures in synchronous systems.

True
False

💡 Hint: Consider how communication timing affects decisions.

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Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Analyze how a crash failure in a distributed database system could affect data consistency, and propose solutions to mitigate resulting issues.

💡 Hint: Think about how data is stored and replicated.

Challenge 2 Hard

Design a simple consensus protocol that can handle crash failures effectively. Discuss its key features.

💡 Hint: Consider how decision-making should occur under uncertain conditions.

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Reference links

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