I want to study network engineering, but my math is terrible and I can understand binary. What octal, 16, is impossible. Can I learn?

If you think octal 16 is a fantasy, it's really a bit scary ... > < lt > MAC addresses and IPv6 addresses in the network are recorded in 16 radix, and parameters in many network protocols are also recorded in binary or 16 radix, because it can be expressed more intuitively. This is the most basic concept. But for the average IT person, you only need to understand these numbers, and rarely need particularly complicated calculations.

My suggestion is to give yourself half a year to study hard and see if I can pass the CCENT certification of Cisco. If not, you'd better not waste your time on it.

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