Q1: Please draw the seven-layer network structure diagram of OSI, and five-layer structural map of TCP / IP?
Q2: Please explain the definition of the IP protocol in detail, which layer is there? TCP and UDP?
Q3: What is the principle of switching and router separately? Which hierarchy is achieved?
Q4: What is the difference between C classes and c inside?
Q5: Do you talk about the use and effect of a monogram function and a virtual function?
Q6: What is the difference between global variables and local variables? How is it realized? How does the operating system and a compiler know?
Q7: The topic of some registers is mainly some knowledge such as addressing and memory management.
Q8: 8086 How many systems are it? How is it implemented on the data bus?
