What is true about cache dirty page?

A.
Data that has changed but is not yet written to disk

B.
Data read from disk but not accessed by the host

C.
Data that has changed and has been written to disk

D.
Data requested by the host but not yet fetched

Explanation:
Cache Management
As cache fills, the storage system must take action to flush dirty pages (data written into the cache
but not yet written to the disk) to manage space availability. Flushing is the process that commits
data from cache to the disk.
EMC E10-001 Student Resource Guide. Module 4: Intelligent Storage System