For an m bit hash value, if we pick data blocks at random we can expect to find two data blocks with the same hash value within ____ attempts.

For an m bit hash value, if we pick data blocks at random we can expec

1.	For an m bit hash value, if we pick data blocks at random we can expect to find two data blocks with the same hash value within ____ attempts.
A.	2<sup>m</sup>
B.	2<sup>(m-1)</sup>
C.	2<sup>(m/2)</sup>
D.	(2<sup>m</sup>) 1
Answer» D. (2<sup>m</sup>) 1