Covers the latest Cisco Certification Network Associates exam. Topics include segment LANS using bridges, routers, and switches; differentiating between WAN services, frame relay, ISDN, HDLC, and PPP; using access lists, firewalls, and other security features; navigating a router command line in user and privileged modes; using router elements such as RAM, ROM, and NVRAM; using the main commands for router startup; copying and manipulating configuration files; configuring both IP and IPX addressing; preparing the initial router configuration and enabling IP; and backing up, upgrading, and loading IOS software images. The included CD-ROM contains 100 test questions and IP addressing and numbering systems exercises. Written by Poplar (senior support engineer for a major software company), Jason Waters (network consultant), Shawn D. McNutt (information systems specialist), and David Stabenaw (senior network engineer for the U.S. Marine Corps). Annotation c. Book News, Inc., Portland, OR (booknews.com) Read Less