Consider a channel that can lose packets but has a maximum delay that is known. Modify Protocol rdt2.1 to include sender timeout and retransmission. Informally argue why your revised protocol can communicate correctly over this channel

Which of the following is not a way in which trees benefit the environment? a. they remove a significant amount of carbon dioxide from the atmosphere. b. they remove a significant amount of oxygen from the atmosphere. c. their roots hold soil in place, reducing rates of erosion. d. they remove ozone and particulates from the atmosphere. select the best answer from the choices provided a b c d

What social factors affect your health

If you want to delete an entire word at a time, which key should you press along with the backspace or delete key?