What are the correct AF series read operations?

What are the correct AF series read operations?
A . Check DRA
B . Check NVDIM
C . Retrieve from SS
D . Validate checksum, decompress, dedupe, and return data.
E . Check NVDIM
F . Retrieve from SS
G . Validate checksum, decompress, dedupe, and return data.
H . Check NVDIM
. Check DRA
. Retrieve from SS
. Validate checksum, decompress, dedupe, and return data.
. Check SS
. Check NVDIM
. Check DRA
. Validate checksum, decompress, dedupe, and return data.