Station A is transmitting data to station B, and expects an
acknowledgment after every 400 bytes. After transmitting
data for a
while, the two stations determine the line is reliable and
change to
expecting and acknowledgement every 600 bytes.
This is an example of (pick the best answer only):
A.) BECN
B.) Sliding Windows
C.) Poison Reverse
D.) Countdown timers
E.) Split Horizon
F.) Count to infinity
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Answer: B
A TCP/IP 'window' is the amount of data (number of bytes)
that the
sending station will transmit before expecting an
acknowledgement back.
If the stations can change that window size on the fly, that
is called a
sliding window. This is done to optimize performance.
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CCNA 
