CHAPTER 10: Networks and Telecommunications

FOR MOST BUSINESSES AND ORGANIZATIONS today, networks and telecommunications are critical parts of business infrastructure. Telephony is the field of technology that includes the development and deployment of services to support all electronic communications. Many organizations could not operate if their networks were unavailable or prone to error. Network security involves meeting an organization’s essential need for network availability, integrity, and confidentiality. The data transmitted through the network is protected from modification (either accidental or intentional), it cannot be read by unauthorized parties, and its source and destination can be verified (nonrepudiation). Business and ...

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