Don't have a great god can teach me the take an examination of the computer network principle, really is too difficult, back for some back, he is always not as good as the modern history of back, and not reviewing experience or brothers and sisters teach me

CodePudding user response:

Back? science, where back line, only by understanding,

CodePudding user response:

Most of the should be a math? I am just a student, when school exam short-answer questions 3 problem, the rest is math, I only remember one briefly describes the whole process of navigation input url access, the other one is to explain iso7 layer model structure and the function of each layer, the last is a DNS, the rest of the uniform calculation problem, I just said I in the school exams, I don't know how the somebody else to take an examination of oneself