First, self-study. In order to obtain CCIE certification through self-study, you must have more than two years of work experience, have sufficient time and energy, and have a perfect experimental environment. In addition, the most important thing is that you must have perseverance and perseverance. Do not give up faith.
Second, participate in training. Find a genuine training organization to take advantage of the amateur or concentrated time to participate in the training, make full use of the training equipment of the training institutions, in a good learning atmosphere, the students can not only exchange skills with each other, but more importantly, they can also get CCIE expert guidance from the training institutions. To improve learning efficiency, this is a way of doing more with less.