Sys EDPU A. Exploit multi-threading to access different data .PU The main idea behind the memory hierarchy is: a given level in parallel. B. Exploit locality to have storage that costs as much as the cheap storage, but performs as well as the expensive storage. C. Exploit fast Internet access to backup data instantly to the cloud. D. Exploit low-level parallelism to access different levels of the hierarchy at the same time. SITI - 1-DPU sy Syst S sy Answer A. Answer B. Answer C. Answer D