Science and Technology
2019
Information Technology
UPSC Practice Question
Consider the following statements:
A digital signature is
- an electronic record that identifies the certifying authority issuing it
- used to serve as a proof of identity of an individual to access information or server on Internet.
- an electronic method of signing an electronic document and ensuring that the original content is unchanged
Which of the statements given above is / are correct?
A.1 only
B.2 and 3 only
C.3 only
D.1, 2 and 3