UGC NET CSE | December 2009 | Part 2 | Question: 27

Question

What is the maximum window size in sliding window protocol used in a computer
network ?

(A) 4

(B) 8

(C) 15

(D) 16

Comments

there are two type of sliding window protocol

1. GBN

2. SR

now window size depend on n

and n is not given in question lets us suppose  if n=5 the by using the SR protocol 2^5/2=16 which match to d option,

Answer 1

Incase of GoBackN protocol

Sender window size is n-1

and Receiver window size is 1

the size is (2^n)-1

the answer is 15

ref: https://gateoverflow.in/111757/calculate-the-maximum-window-size