Data Communication free essay sample

These are the dedicated lines for transmitting the digitized data, voice and video signals. Every message in the transmission process is divided into the seven logical layers known as the OSI layers model. Security and privacy are the biggest concerns in the data communications. Wireless networks, faxed business letters and the computer without proper security implementations can be hacked. To deal with these internal and external security threats the data communication networks should be properly safe guarded with the antivirus, antivirus and firewall solutions. Computer networks should also meet the performance, reliability, consistency, recovery and security criteria to maintain the smooth flow of data in an organization. Computer networks redirects here. For the periodical, see  Computer Networks (journal). Datacom redirects here. For other uses, see  Datacom (disambiguation). Internet   map. The Internet is a global system of interconnected computer networks that use the  standard Internet Protocol Suite  (TCP/IP) to serve billions of users worldwide. We will write a custom essay sample on Data Communication or any similar topic specifically for you Do Not WasteYour Time HIRE WRITER Only 13.90 / page Distributed processing A  computer network, often simply referred to as a network, is a collection of hardware components and computers interconnected by communication channels that allow sharing of resources and information.