Business Data Networks and Security 9th Edition by Raymond R. Panko and Julia Panko describes the details of networking with its clear writing style, job-ready detail, and focus on the technologies that are used in today’s marketplace.
In the past, interviewers often asked students to name the OSI layers and stopped at that. Today, however, even interviewers for non-networking jobs require applicants to understand the details of networking. To help students prepare, this text goes beyond the basic topology and switch operation, covering topics like VLANs, link aggregation, The Rapid Spanning Tree Protocol, over-provisioning versus priority, switch purchasing considerations and more.
This text places a heavy emphasis on wireless networking that includes current information and a focus on security. Chapter 3 covers threats, the plan-protect-respond cycle for corporate security management, security planning, and protection-phase issues, such as authentication, firewalls, and cryptography. Chapter 4 covers network management, and shows students how to analyze requirements and turn them into simple network designs. This chapter also covers quality of service goals, and the management of temporary traffic peaks and permanent bottlenecks.
Chapter 4a takes the concepts of network design and management one step further by introducing students to Microsoft® Office Visio for the creation of network diagrams. It’s important when teaching networking to weed out dead issues so that there’s room to show students the newer concepts. In order to help show students the latest concepts they need to know, this edition contains some of the most current information.
This edition contains more information on security than previous editions. This edition also has a stronger focus on wireless, including the revolutionary 802.11ac and 802.11ad standards whose products are beginning to come to market. There’s also more information on WLAN handoffs, Bluetooth profiles, cellular data service, and other wireless topics.
More emphasis on cloud computing and the BYOD (Bring Your Own Device) revolution is also included in this edition. The TCP/IP chapters offer more information on IPv6, an area in which interest has recently spiked among networking professional.
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