CertExams.com CCNA network simulator with designer has the following features: -Several lab exercises: The labs are particularly useful for candidates preparing for Cisco CCNA Intro, ICND, and CCNA certifications. 40+ labs are available for thorough hands-on readiness. -Cisco router console simulation: Cisco router console (running Cisco router IOS) is available in a simulated environment. Currently 80+ Cisco IOS router commands are supported. It is expected to open good hands-on feel to those who do not have access to Cisco routers for learning resolve. -Network Designer: You can pattern virtual networks by using leisurely to habit drag and drop method. Currently router, shift, and pc are supported. Serial, Ethernet, and ISDN connector supported. -Comprehensive aid file: The complete simulator is explained in an leisurely to habit aid file. The areas covered in the aid file include 1. Supported commands, 2. How to navigate through the lab exercises and router console simulator, 3. Disclaimer -Flash cards: Flash cards are available while taking several lab exercises. These provide topic aid, and useful in properly answering the labs. -Simulator: Configure router networks with 80+ supported commands. After configuration, you can regular ping the other routers for proper configuration verification. Limitations of Demo Simulator with Designer: The download contains a demo simulator, and a entire version that requires purchasing a primal for unlocking the software. The demo has limitations such as limited labs, and limited living for router commands.