This study guide aims to prepare the user for the CCNA exam (640-507). It contains: a preliminary assessment test that helps direct preparation; focused coverage of CCNA issues; written and hands-on labs; over 300 review questions with explanations; two practice exams; and electronic flashcards for PCs and Palm devices. CCNA exam topics covered include: using Cisco IOS commands for router start-up; Using the RIP and IGRP routing protocols; configuring frame relay LMIs, maps, and subinterfaces; monitoring frame relay operation in the router; understanding WAN configurations and services - frame relay, HDLC, X.25, DDR, ISDN/LAPD, and PPP IP and dynamic IP routing IP addressing and subnetting LAN segmentation using bridges, switches, and routers; working with TCP/IP; backing up and restoring the Cisco IOS and router configuration; configuring Cisco routers and switches; understanding the spanning-tree protocol; and creating and implementing access lists.