Answer and Explanation:
The difference between NAT and PAT can be highlighted as:NAT over-burden in some cases called PAT (Port Address Translation) maps various unregistered or private IP delivers to a solitary enlisted or open IP address by utilizing various ports. This is the thing that most home broadband switches do. Your ISP relegates an IP address to your switch, however you discover that every one of the PCs in the house could associate with the Internet simultaneously. PAT uses extraordinary source port numbers within worldwide IP address to recognize interpretations At the point when a customer signs on the Internet, the NAT switch doles out a port number to its source address. NAT over-burden or PAT guarantees that customers utilize an alternate TCP port number for every customer session with a server on the Internet. At the point when the server reaction, the customer switch courses the parcel dependent on the source port number, which had turned into the goal port number. This procedure likewise approves that the approaching parcels were mentioned, accordingly adding a level of security to the session.
answer; i believe the correct answer is layers;