COMPUTER NETWORKING

Detailed explanation-1: -Packet-filtering firewalls examine data packets in isolation and don’t know the packet’s context. Stateful inspection firewalls examine network traffic to determine whether one packet is related to another packet.

Detailed explanation-2: -A packet filtering firewall is a network security technique that regulates data flow to and from a network. It is a security mechanism that allows packets to move across networks while controlling their flow through the use of a set of rules, protocols, IP addresses, and ports.

Detailed explanation-3: -A stateful inspection firewall examines each packet in the context of the TCP session in which it is engaged, tracking activity from the start of the session to the end.