Refer to the exhibit. What does the value of the window size specify?

- the amount of data that can be sent at one time
- the amount of data that can be sent before an acknowledgment is required
- the total number of bits received during this TCP session
- a random number that is used in establishing a connection with the 3-way handshake
Explanation: The window size determines the number of bytes that can be sent before expecting an acknowledgment. The acknowledgment number is the number of the next expected byte.
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