Question

Range of port numbers in Internet model is __________

(a) 0 and 32,765(8-bit)

(b) 0 and 32,765(16-bit)

(c) 0 and 65,535(32-bit)

(d) 0 and 65,535(16-bit)

This question was posed to me during an interview.

My question is based upon P2P Applications topic in section TCP/IP Protocol Suite of Computer Network

Answer 1

Right answer is (d) 0 and 65,535(16-bit)

To explain: Port numbers are 16-bit integers between 0 and 65,535. They are an interface for the implementation of process to process delivery for the transport layer.