Complete coverage of data communications network design specialist for the IT data that effective communication is essential to modern business. This edition, completely updated new Second Practical Data Communications is an indispensable guide for IT managers, computer scientists, systems engineers, or professionals who need to design or maintain the data communications network. Other sections feature discussions: transmissionATM Fiber-optic and IPFrame RelayLANs and broadbandGigabit WANsLast miles EthernetWritten to facilitate understanding of data communication that emphasizes practical application rather than theory, Practical Data Communications, Second Edition serves as an excellent tutorial to students or professionals with only basic understanding of the subject.