A network comprises two or more computational methods related by Bodily and/or wireless connections. Networks broadly use peer-to-peer or consumer-server architecture apart from a variety of networking protocols for the linked units to communicate with one another. You will discover differing kinds of firewalls with various options. Simple firewalls https://www.researchgate.net/publication/365308473_Development_of_Cyber_Attack_Model_for_Private_Network