Practice Interaction With The Outside World (the Output Commit Problem) (3.2.3)
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Interaction with the Outside World (The Output Commit Problem)

Practice - Interaction with the Outside World (The Output Commit Problem)

Learning

Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What is the Output Commit Problem?

💡 Hint: Think about what happens when actions can't be reversed.

Question 2 Easy

What are in-transit messages?

💡 Hint: Consider messages that are like letters in the mailbox.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What is a significant risk of not logging outputs in distributed systems?

Users receive double confirmations
Data loss occurs
System overload happens

💡 Hint: Consider the implications of repeated actions.

Question 2

True or False: Livelock occurs when processes are stuck and cannot proceed.

True
False

💡 Hint: Differentiate between being stuck and failing to progress.

1 more question available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Design a recovery protocol that incorporates logging of both outputs and inputs during transactions. Discuss its implications.

💡 Hint: What key activities should your protocol include?

Challenge 2 Hard

Analyze a situation where a rollback might lead to livelock in a banking system transaction processing scenario.

💡 Hint: What happens when transactions depend solely on each other?

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Reference links

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