1. Importance of Network Security: I. The Internet occupies an important place in our lives and as computer networks evolve and expand, we need to understand how important it is and how it can affect our livesII. What is network security? Computer security is a specialized field that involves securing a computer network infrastructure. It covers a variety of computer networks involving both public and private and used daily to manage transactions and communications between businesses, government agencies and individuals. Network administrator or system administrator usually manages network security and implements security policy, network software. and the hardware needed to protect a network. Network administrators implement procedures and policies to monitor and prevent modifications, unauthorized access, and misuse of the computer network. They also allow access to a network's data and can choose which users they trust in a network and whether they want them to access the data. III. The importance of network securityThe importance of network security is to consider...