When there is an excessive amount of data flow, which the system cannot handle, _____ attack takes place.

A)  Data overflow Attack
B)  Database crash attack
C)  Buffer Overflow attack
D)  DoS (Denial of Service) attack

Correct Answer :   Buffer Overflow attack


Explanation : The Buffer overflow attack takes place when an excessive amount of data occurs in the buffer, which it cannot handle and lead to data being over-flow into its adjoined storage. This attack can cause a system or application crash and can lead to malicious entry-point.