000			02843nam a22002057a 4500
005			20230107132216.0
008			230107b ||||| |||| 00| 0 eng d
020			_a9788126919857
040			_cAL
041			_aeng
082			_223 _a621.382 _bMITE
100			_aPankaj Mitra _968884
245			_aEssential guide to telecommunications and data communications
260			_aNew Delhi _bAtlantic Publishers and Distributors _c2015
300			_axiv,378p. _bHB _c23.3x15.5cm.
365			_2General _a1833 _b₹1016.00 _c₹ _d₹1195.00 _e15% _f11-12-2022
520			_aMethods of communications have changed drastically over the years. From snail mail to telex, fax and telephone and now to email, SMS and video conferences; and from ship to shore radio communication, radio telex VSAT communications and mobile telephony, the march has been wide-ranging and rapid. The Internet and Information Highway—the World Wide Web, has been the icing on the cake. The scenario has changed considerably with the advent of email, file transfer, ERP, making communication a lot simpler and more cost-effective. Communication tariff has also had a sea change with STD calls at 50 paise per minute or less with the result that there is much wider use of new communication technologies in India. The communication revolution has had the biggest impact on human society after industrial revolution. We can send to and receive information from any part of the world without moving from our seat. So much is happening in the world that we need to keep track of, that a time has come to marshal the knowledge for the lay user so that various systems of communications available today are put in their correct perspective and the average individual or organization can make the most effective use of these systems to meet their communication needs. The book attempts to give individuals and multi-locational organizations (MLOs) the right perspective of various communication tools available in the world today so that they may derive the maximum benefit from these tools to meet their respective needs. It not only describes the communication needs of people, the optimum communication options available, but also delves into the uses of telephony, next generation networks, private networks, special requirements for enterprises, computation of bandwidth and cloud computing, among others. The complexity of communications with the advent of WAN computing, e-Commerce, NET banking, etc. has increased and the security of internal data bases has assumed great importance. The book explains the ways to protect your data through firewall, packet filters and layer filtering. The book will be useful for professionals, enterprises and all those concerned with various forms of communication.
650			_2Technology _aEngineering _968885
942			_2ddc _cBK
999			_c226327 _d226327