What changes to the Isilon cluster will best accelerate the browsing performance?

Your customer has observed a degradation in response time while browsing for media files within the Production Media folder of the Isilon cluster. That directory now contains over five million files. It was confirmed that there are no network or edit station related causes.

What changes to the Isilon cluster will best accelerate the browsing performance?
A . Add Solid State Drives (SSDs) to the nodes
B . Add A-Series Performance Accelerator nodes
C . Upgrade node access to 10 Gbps
D . Upgrade RAM on the nodes

Answer: A