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Question: What is the main advantage of a write-through operation in cache write I/O operations?
Correct Answer: C
Inwrite-through caching, data is written simultaneously to both the cache and the underlying disk. This ensures data integrity because the write is not acknowledged until it's safely written to the disk. * Write-backcaching offers reduced latency but increases risk of data loss if cache is lost. * Write-throughtrades speed for security, offeringenhanced data securityand reducing the risk of data loss during power failures. Reference:Dell Information Storage and Management Foundations 2023 Study Guide, Section: Intelligent Storage System Cache Operations.
