1.) What is a statistical database? Why might it be necessary to deny certain overlapping queries from such databases?
2.) Digital signature does not provide protection against:
(a) Repudiation
(b) Re- play
(c) Eavesdropping
(d) Falsification of data.
Circle all correct answers and explain your selection.
3.) In the context of biometric security, what is the difference between verification and identification?