A High Level of Writes to External Storage Is Backing

A high level of writes to external storage is backing up into a VSP G1000 cache, creating a high write pending problem that is affecting other workloads. Which three actions will help to minimize this problem? (Choose three.)

A) Add more cache to the enterprise storage system.
B) Add more cache in the external storage.
C) Quarantine the LUNs in a separate cache partition.
D) Set Cache Mode to "Disabled" for the external LUNs.
E) Address the throughput constraints in the external storage.