Consider the following statements:
S1: The size of TCP receiver window never change throughout the duration of the connection.
S2: Suppose host A is sending a large file to host B over a TCP connection. The number of unacknowledged bytes that host A send cannot exceed the size of the advertised receiver buffer.
Which of the following is correct?
S1 is true but S2 is false
S1 is false but S2 is true
Both S1 and S2 is true
Neither S1 nor S2 is true