LAN

1)A person wishes to sniff the packets going to the outside world from your LAN.
How is he going to check the information passing out of your network without
letting the host or any one in the network know? What if it is a switched LAN or a
broadcast LAN? Give a step by step description of both the scenarios.

2. A user wants to communicate with the bank for its online transactions. The bank
and the user are in two different domains; we can call them as bank.com and
user.com respectively. Both the domains have the DNS services running. The
intruder would like to interrupt their communication and would like the
transactions to be made in his account. How will he do that? Give a step by step
description of the scenario