By William Stallings
Enterprise facts Communications, 6/e,is perfect to be used in enterprise info Communications, information Communications, and introductory Networking for company classes. company information Communications, 6/e,covers the basics of knowledge communications, networking, allotted purposes, and community administration and safety. Stallings provides those recommendations in a manner that relates in particular to the enterprise atmosphere and the worries of commercial administration and employees, structuring his textual content round requisites, parts, and purposes. whereas making liberal use of real-world case reviews and charts and graphs to supply a company standpoint, the e-book additionally offers the coed with an excellent take hold of of the technical origin of commercial information communications. through the textual content, references to the interactive, on-line animations provide a strong device in figuring out complicated protocol mechanisms. The 6th version keeps Stallings' superlative help for both a examine tasks or modeling initiatives part within the path. The assorted set of initiatives and scholar workouts allows the teacher to exploit the e-book as an element in a wealthy and sundry studying event and to tailor a direction plan to fulfill the explicit wishes of the teacher and scholars.
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Extra info for Business Data Communications, 6th Edition
The arrival of the optical disc, based on the same technology as that of the familiar compact disc of the music industry, allows massive amounts of information to be stored inexpensively. This new technology for storing and transmitting images creates a demand for high-capacity networks and is one of the driving forces in the development of networking technology. Video communications is also becoming important in the office environment. Traditionally, this technology has been used as a one-way delivery system of entertainment programs.
9 MANAGEMENT ISSUES Part Six concludes the book by examining key management issues related to business data communications. Network Security As companies rely increasingly on networks and as access by outsiders via the Internet and other links grows, the vexing question of security becomes ever more important. Companies are at risk for the disclosure of confidential information and for the unauthorized altering of corporate data. Chapters 18 and 19 look at the basic tools for achieving network security and discusses how they can be adapted to meet a company’s needs.
ATM allows the definition of multiple virtual channels with data rates that are dynamically defined at the time the virtual channel is created. By using small, fixed-size cells, ATM is so efficient that it can offer a constant-data-rate channel even though it is using a packet-switching technique. Thus, ATM extends circuit switching to allow multiple channels with the data rate on each channel dynamically set on demand. Local Area Networks As with WANs, a LAN is a communications network that interconnects a variety of devices and provides a means for information exchange among those devices.