Which three statements about the SHA-2 algorithm are true?(Choose three)

A.
It generates a 160-bit message digest

B.
It generates a 512-bit message digest

C.
It is the collective term for the SHA-224 ,SHA-256,SHA-384,and SHA-512 algorithms

D.
It is used for integrity verification

E.
It is provides a fixed-length output using a collision-resistant cryptographic hash

F.
It is provides a variable-length output using a collision-resistant cryptographic hash