The website offers practice tests and network simulators for CCNA, CCENT, CCNP, and other certifications. The exam engine is well developed and mimics the actual exams. The network sims available include but not limited to CCNA, Juniper Junos, and Labsims for A+, and Network+. Sample labs are available with free version of network simulators and the free version of CCNA includes up to 25 questions with flash card answers.