To answer this question from my personal experience, on the whole, it takes about 2+0.5 years to take the Cisco CCIE certificate, which is not enough, and the planning is done well. (But if it's just for that crystal card, half a year might be enough)

First of all, preparing for the examination is a very time-consuming and money-consuming thing, and the whole process must serve your work plan. So first take the time to understand where your future focus is and where you want to go in the future. For example, Sec and DC are the most popular now, and in terms of employment, these two directions are also the most popular. Of course, which direction you want to take must match your work direction.

The difficulty of the examination in each direction is different, and the learning difficulty and resource requirements are also different. For example, how to solve the DC and voice racks is quite a headache. Almost in the low training class, the teacher can't even solve your doubts, and self-study is more difficult. It is easy, for example, the RS direction that everyone has. It is not difficult to build an environment by yourself, and the exam is also a simulated environment. Therefore, you should know more about these when preparing the experimental rack.

When really embarking on the road of obtaining a certificate., these issues must be considered and planned in more detail.

1. According to the question of you, there should be half a year of full-time study. You are zero-based, so if you follow the rhythm of the training class, half a year of full-time study can guarantee you to pass CCIE - without considering the situation of changing the subject. But this is for the practice of that piece of paper, whether it is suitable or not depends on the person. The training class is a trail for forensics.
2. For half a year, 8 hours a day, it is really not easy to stick to it. Especially in a less stressful situation like this. In half a year, there is no problem in mastering the basic knowledge points in the CCNP stage. If the difficulty increases, it depends on the person.
3. In terms of resources, Chinese only needs Honghu. English official forum, on GOOGLE. Good enough English will help you a lot. If you recommend textbooks, read Todd Lammle's CCNA study guide for CCNA, and Sybex's CCNP study guide for CCNP. That's enough. There are many videos online. There is no single book in the CCIE stage, BGP configuration manual, OSPF configuration manual, MPLS information, these are all to read. In addition, the key is to do experiments, do experiments, do experiments, and the important things are emphasized three times. Experiments, but if you read books, you will never be able to remember or learn. Net workers are craftsmen, and it is best to be able to do it in an actual combat environment.
4. I don't have a specific number for the study time, I can only say that I am fully committed.

There is a saying that the amount of study is 1000-2000 hours, but the more I study, the less I think I know. After you devote yourself to it, you will not care about those study hours, because in the learning process, you have entered a good learning status.

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