Internetwork Training Testimonials 28. October 2012 CCENT, CCNA Here are a select few of the many emails we receive from our happy customers... We also asked some of our CCNA Bootcamp students to tell us what they thought about our online CCNA course. About Internetwork Training Internetwork Training specialize in CCNA training online. To watch some free training videos, get a free study guide, plus loads more tips and information geared towards getting your Cisco certification sign-up here.