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The port-number field in a TCP header is 16 bits long, so the highest possible port number is

2316Medium DSSSB TGT Computer Science 0 replies

The port-number field in a TCP header is 16 bits long, so the highest possible port number is

  • A65,535
  • B65,536
  • C32,767
  • D1,023
Correct answer: A

Explanation

A 16-bit field can hold the values 0 to 2¹⁶ − 1 = 65,535.
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