Suppose Trudy hijacks aconversation between Alice and Bob. This means that after the initial handshake, Trudy sends messages with source addressequal to Alice's source address. Suppose the network allows Trudy to insert a fake sourceaddress (Alice's source address), but does not deliver packets destined for Alice'saddress to Trudy. What are the problems involved in having Trudy transmit a file to Bob asif she were Alice? Consider potential problems with flow control and file transferprotocols when Trudy cannot see return traffic from Bob.