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Fun, engaging games to boost memory, math fluency, typing speed, and English skills—perfect for learners of all ages.
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Knowledge
Practice Questions
Test your understanding with targeted questions related to the topic.
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.
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 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.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
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?
Question 2
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?
Challenge and get performance evaluation