Chapter 3. How Bridges Work
An intranet-especially one in a large corporation-can be a remarkably complex endeavor, consisting of many networks, including departmental local area networks, as well as larger subnetworks, which...
View ArticleChapter 3 : Fundamentals of Transmission Systems: Technologies and...
Configuration Coax cables traditionally consist of a single, two-conductor wire, with a center conductor and an outer shield/conductor, which is of solid metal. Sometimes braided or stranded metal is...
View ArticleChapter 10. Subnetting an Intranet
Intranets come in different sizes. In a small company, an intranet can be composed of only a handful of computers. In a medium-sized business, it may include dozens or hundreds of computers. And in a...
View ArticleChapter 11. How Converting IPX Networks to an Intranet Works
It’s rare that an entire intranet will be built completely from scratch. It is more likely that an existing network, such as a Novell NetWare network, will be converted to an intranet. At a corporation...
View ArticleChapter 8 : Conventional Public Data Networks (PDNs) (Page Eight)
Even in comparison to newer LAN internetworking technologies such as Frame Relay, T-carrier holds it own. For instance, a large bank in Missouri recently tripled the size of its private T-carrier...
View ArticleChapter 2c. How TCP/IP Packets Are Processed
Protocols such as TCP/IP determine how computers communicate with each other over networks such as the Internet. These protocols work in concert with each other, and are layered on top of one another...
View ArticleChapter 4 : Voice Communications Systems: PBX, ACD, Centrex, and KTS (Page...
PBX Enhancements and Trends The PBX increasingly is being positioned as a communications server for voice, data, video and image communications [4-3]. Some manufacturers are building such capabilities...
View ArticleChapter 18c. How Additional Authentication Systems Work
Various methods and devices provide additional security barriers to prevent unauthorized access. Devices supplement the “something you know” of login names and passwords with the requirement that...
View ArticleChapter 7 : Fundamentals of Data Communications (Page Four)
Terminal Adapters (TAs) and NT-Xs Terminal Adapters (TAs) are interface adapters for connecting one or more non-ISDN devices to an ISDN network. TAs, which are ISDN DCE, are equivalent to protocol or...
View ArticleChapter 7 : Fundamentals of Data Communications (Page Six)
Isochronous (Isoc) Isochronous (Isoc) data is synchronous data transmitted without a clocking source. From the Greek isochronos, all bits are of equal importance and are anticipated to occur at regular...
View Article
