A network, in computing, is a group of two or more devices that can communicate. In practice, a network is comprised of a number of different computer systems connected by physical and/or wireless connections, while Network security consists of the policies, processes and practices that are adopted to prevent, detect and monitor unauthorized access, misuse, modification, or denial of a computer network and network-accessible resources. This online course teaches the fundamentals of network security.
Network security involves the authorization of access to data in a network, which is controlled by the network administrator. Users choose or are assigned an ID and password or other authenticating information that allows them access to information and programs within their authority. This online course teaches the various security components for both hardware and software security, including the types, policy, architecture, web and wireless security. It also covers topics such as network management, security process and more.
Upon completing this course, you are expected to understand the fundamentals of network security, some of the best practices and policy guide for implementing a network security infrastructure.