What set of components are part of a block-based storage array controller?
A.
Front-end ports
Cache
Link Control Cards
B.
Front-end ports
Cache
C.
Front-end ports
Back-end ports
Cache
D.
Front-end ports
Back-end-ports
Cache
Link Control Cards
The Answer Is:
D
This question includes an explanation.
Explanation:
Front-end ports connect the storage array controller to the host servers, while back-end ports connect it to the disk drives. The cache provides temporary storage for frequently accessed data to speed up I/O operations. Link control cards manage communication between the front-end and back-end ports.
[Reference: EMC Education Services. (2016). Information Storage and Management: Storing, Managing, and Protecting Digital Information. Wiley. Chapter 3, page 51., , ]
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