Practice Cross-datacenter Replication (2.6) - Cloud Storage: Key-value Stores/NoSQL
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Cross-Datacenter Replication

Practice - Cross-Datacenter Replication

Learning

Practice Questions

Test your understanding with targeted questions

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.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

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.

2 more questions available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

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.

Challenge 2 Hard

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.

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Reference links

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