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iCertify is a set of flash cards that will help you pass Cisco's 640-802 CCNA exam to become a Cisco Certified Network Associate. iCertify features over 200 flash cards. The cards pose a question and then give you time to answer.iCertify was used by the author, Priscilla Oppenheimer, as her own study guide when she renewed her CCNA certification in 2009. Her practice tests are a gentle and fun way to learn and test your knowledge. Be sure to count the rabbits while you're learning!The CCNA certification is recognized around the world by information technology professionals and hiring managers. iCertify will help you pass the exam so you can update your resume for your next job search or promotion.iCertify is based on the acclaimed iEnvision Web-image browser, so everything is full-screen, clear, organized, and multi-touch. Internet access is not required. Just flick through the cards anywhere, anytime. The iCertify flash cards will help you study for the following exams:- CCENT- CCNA- ICND1- ICND2- Network+The developer of the iCertify flash cards, Priscilla Oppenheimer, is the author or co-author of five books on computer networking. Priscilla has helped hundreds of students get their CCNA and launch successful networking careers. The iCertify flash cards are divided into four main subjects:- Fundamentals- LANs- Internetworks- SecurityiCertify Fundamentals tests your knowledge of network layers (OSI and TCP/IP), network devices, and how packets get forwarded across an internetwork. It also gives you practice converting between binary, hex, and decimal. iCertify LANs is where you will prove that you are a switch guru. Test your ability to configure, verify, and troubleshoot VLANs. Prepare to answer questions on the real exam about spanning tree. iCertify LANs also covers wireless networks.iCertify Internetworks delves into IP addressing, routers, routing, and WANs. Test your ability to quickly design and implement IP addressing schemes, including subnetting, subnet masks, and VLSM. Practice answering questions about IPv6, OSPF, EIGRP, Frame Relay, and PPP. What kind of network engineer would you be if you couldn't identify security threats to a network and describe and implement methods to mitigate those threats? Use the iCertify Security flash cards to prepare for those topics on the CCNA test. iCertify Security covers NAT, VPNs, and ACLs.(iCertify is an independent product, not sponsored by, endorsed by, or affiliated with Cisco Systems, Inc. Cisco, Cisco Systems, and CCNA are trademarks or registered trademarks of Cisco Systems, Inc. and/or its affiliates in the United States and certain other countries.)