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What key advantage does Kafka's cross-datacenter replication provide for distributed applications?

easy📝 Conceptual Q1 of 15
Kafka - Multi-Datacenter and Replication

What key advantage does Kafka's cross-datacenter replication provide for distributed applications?

AReduces the number of partitions needed in a topic
BImproves local disk I/O performance on Kafka brokers
CEnsures data availability and fault tolerance across multiple geographic locations
DAutomatically compresses messages to save bandwidth
Step-by-Step Solution
Solution:
  1. Step 1: Understand replication purpose

    Cross-datacenter replication is designed to keep data synchronized across geographically separated Kafka clusters.
  2. Step 2: Identify benefits

    This replication ensures high availability and disaster recovery by maintaining copies of data in multiple locations.
  3. Final Answer:

    Ensures data availability and fault tolerance across multiple geographic locations -> Option C
  4. Quick Check:

    Replication is about availability and fault tolerance [OK]
Quick Trick: Replication ensures data is available across sites [OK]
Common Mistakes:
MISTAKES
  • Confusing replication with compression
  • Thinking replication reduces partitions
  • Assuming replication improves local disk speed

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