During the establishment of the TCP connection as shown in the figure , the X part of the SYN should be filled with ________ .

 During the establishment of the TCP connection as shown in the figure , the X part of the SYN should be filled with ________ .

A . a
B . b
C . a+1
D . b+1

View Answer

Answer:   C

Explanation:

X = a + 1 (confirm receipt of a , expect to send a + 1 next time )

Y = a + 1

Z = b + 1 (Confirm receipt b )