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PACELC

Work through each question. Reveal the answer when you're ready to check.

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Q1Hardpacelcdistributed-systemsconsistency

How does PACELC extend the limitations of CAP theorem?

Q2Hardpacelclatencydistributed-databases

Why do strongly consistent distributed databases often suffer higher latency?

Q3Hardeventual-consistencypacelcscalability

Why do large-scale social platforms typically prefer low latency over strong consistency?

Q4Hardquorumdistributed-databasespacelc

How do quorum-based systems balance latency and consistency under PACELC?

Q5Hardmulti-region-systemspacelcdistributed-architecture

Why is PACELC especially important in multi-region deployments?

Q6Hardcassandrapacelcdistributed-databases

Why is Cassandra considered a PA/EL system under PACELC?

Q7Hardspannerpacelcstrongly-consistent-systems

Why is Google Spanner considered a PC/EC system under PACELC?

Q8Hardpacelcdistributed-cachesbackend-performance

Why are distributed caching systems usually optimized for EL instead of EC?

Q9Hardpacelcmicroservicesdistributed-systems

How does PACELC influence microservice communication design?

Q10Hardpacelctrade-offssystem-design

How should architects use PACELC when designing distributed systems?