Juniper netsim for JNCIA is a virtual networking software and uses virtual routers and switches for practice. The software is useful for hands on practice in a virtual environment without having to purchase actual physical networking equipment. Dozens of labs are usually provided for beginners, and the advanced users can develop their own junos labs.

Offers exam simulators for Cisco Certified Network Associate (CCNA), Cisco Certified Entry Network Associate, Interconnecting Network Devices, and Cisco Certified Network Professional certs. Question types include multiple choice, drag and drop, simulations, and scenarios. Free exam cram notes is available for Cisco CCNA and Comptia A+ and Network+.