Concerning network security in the application layer. THANK YOU :) 2. Suppose Alice and Bob are sending packets to each other over a computer network. Sup pose Sybil positions herself in the network so that she can capture all the packets sent by Alice and send whatever she wants to Bob; she can also capture all the packets sent by Bob and send whatever she wants to Alice. a) List some of the malicious things Sybil can do from this position. b) List some techniques (if any) that could be employed to counter the threats you listed above