It s easier to stay awake. The questions and interactivity force you to interact with the material. Using it immediately and getting immediately feedback does help reinforce learning and understanding. If you have a question you just cannot find the answer to, put it out on one of the many newsgroups or listserves on the Internet, and let experienced on the job networking professionals help you out. Live teachers can do the same, but sometimes not with the same extensive background in what s happening in the real world.
People can and do pass the certification exams jst by taking computer based training.
One company, Forefront, even gives you a 90 day money back guarantee on all its certification courses. If you don t pass after using their CBT course, you get your money back. Take training classes online through the Internet. Again, it will take long hours of study, but it s an interesting format. Put together your own network study laboratory by buying several used PCS hooking them up in your home office.