There are __________ types of cognitive hacking and information gathering which is based on the source type, from where data is fetched.

There are __________ types of cognitive hacking and information gather

1.	There are __________ types of cognitive hacking and information gathering which is based on the source type, from where data is fetched.
A.	6
B.	5
C.	4
D.	3
Answer» E.