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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is cross-datacenter replication?
💡 Hint: Think about how it helps keep data available across locations.
Question 2
Easy
What does WAL stand for?
💡 Hint: It's a crucial log for ensuring data durability.
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 cross-datacenter replication primarily enhance?
- Data consistency
- Disaster recovery
- Disk storage efficiency
💡 Hint: Consider the scenarios in which it’s used.
Question 2
True or False: Eventual consistency guarantees that at any time all replicas are up to date.
- True
- False
💡 Hint: Think about what 'eventual' means.
Solve 2 more questions and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Imagine you are tasked with implementing cross-datacenter replication for a financial application. What considerations would you have to make regarding data consistency and disaster recovery?
💡 Hint: Focus on what specifics of financial data would affect replication.
Question 2
Design a basic strategy for using Bloom filters in an HBase application, given a scenario where read efficiency is critical.
💡 Hint: Think about how to balance memory use versus efficiency.
Challenge and get performance evaluation