You want to design a Kafka system that stays available worldwide even if one datacenter fails. Which approach best ensures this?

hard📝 Application Q15 of 15

Kafka - Multi-Datacenter and Replication

AStore all data only in one datacenter and back it up manually

BUse a single datacenter with very powerful brokers

CReplicate data asynchronously between multiple datacenters with automatic failover

DDisable replication to reduce network traffic

Step-by-Step Solution

Solution:

Step 1: Understand the goal of worldwide availability
Worldwide availability means users anywhere can access Kafka even if one datacenter fails.
Step 2: Evaluate options for multi-datacenter setup
Replicating data asynchronously between datacenters with automatic failover ensures data is copied and clients switch to healthy datacenters.
Final Answer:
Replicate data asynchronously between multiple datacenters with automatic failover -> Option C
Quick Check:
Multi-datacenter replication + failover = High availability [OK]

Quick Trick: Choose replication plus failover for availability [OK]

Common Mistakes:

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