Kafka achieves fault tolerance through data replication. In PhonePe, for instance, Kafka can replicate transaction data across multiple brokers, ensuring that even if one broker fails, the system can continue processing transactions without losing dat

Which strategy is commonly used for fault tolerance in distributed systems?Question 28Answera.Data encryptionb.Data aggregationc. Data compressiond. Data replication

What is a downside of data replication in distributed databases?Question 9Select one:A.Decreased latencyB.Data availability during catastrophic eventsC.Increased complexity of write operationsD.Increased read performanceE.Robustness against node failures

In a distributed database system, which approach is used to ensure that all copies of a data item are updated simultaneously?Immediate consistencyEventual consistencyQuorum consensusSerializability

In a scenario without concurrency control, what problem might arise when two transactions try to update the same data simultaneously?Reduce data consistencyImproved data consistency

Whatdoes fault tolerance refer to in Big Data systems?Question 20Answera.The ability to scale up easilyb.The ability to prevent data corruptionc.The ability to handle data faultsd.The ability to recover from system failures