Look at the following figure, and answer questions by circli…

Look at the following figure, and answer questions by circling the correct answer. At the time point marked by “1”, the sender (will    will not) send packet(s). The sender (will    will not) slide sender window.  At the time point marked by “2”, the sender (will    will not) send packet(s). The sender (will    will not) slide sender window.  At the time point marked by “3”, the sender (will    will not) send packet(s). The sender (will    will not) slide sender window.