Q1. Dr. Zulkarnaen working in the Banking sector , he is looking for ways to better protect their servers from potential Buffer overflow attacks. Their web admin proposes the use of a network appliance that receives all incoming web requests and forwards them to the web server. He says it will prevent direct customer contact with the server and reduce the risk of Buffer overflow attacks. C01 (a) What are Buffer overflow attacks? 5 (b) Describe how the bufferoverflow attacks happen in the heap and the stack area? 5