What are the two types of cache memory?

primary and secondary
dram and sram
physical and virtual
volatile and nonvolatile

DRAM and SRAM

Explanation:

Cache memory is used to reduce the average time to access data from the Main memory.

SRAM is an on-chip memory whose access time is small (fast).

DRAM is an off-chip memory which has a large access time (slow).

answer; the correct answer is technician b;