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.

Provides exam simulators for Cisco CCENT, CCNA, comptia A+, Network+, Server+, Juniper JNICA, and others. Network simulators for Juniper JNCIA and Cisco CCNA are available. The exam engine supports simlet and testlet type of questions with lab scenario examples.