4. Networks allow maximum message segment length of 128 bytes of the serial number with 8 bits, said segments in the network life of 30 s, and each TCP connection can achieve high data rate,
Why the maximum number of packets to be 255 not 256
O, every answer

CodePudding user response:

Decimal is the biggest number 9, there are zero before.

Binary binary 11111111 is 255, the same point is the expression of eight binary 0 to 255 range

CodePudding user response:

reference 1st floor wanghui0380 response:

largest decimal number is 9, there are zero before.

Binary binary 11111111 is 255, the same point range of 0-255 is the expression of eight binary

Number of 0-255 is 256