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1. Compare the operation of Stop-and-Wait ARQ with bidirectional Go-Back-N ARQ with a window size of 1. Sketch out a sequence of frame exchanges using each of these protocols and observe how the protocols react to the loss of an information frame and to the loss of an acknowledgment frame.
2. Consider a bidirectional link that uses Selective Repeat ARQ with a window size of N = 4. Suppose that all frames are one unit long and use a time-out value of 2. Assume that the one-way propagation delay is 0.5-time unit, the processing times are negligible, and the ACK timer is one-unit long. Assuming station A and B begin with their sequence numbers set to zero, show the pattern of transmissions and associated state transitions for the following sequences of events
a. Station A sends six frames in a row, starting at t = 0. All frames are received correctly.
b. Station A sends six frame in a row, starting at t = 0. All frames are received correctly, except frame 3 is lost.
c. Station A sends six frames in a row, starting at t = 0. Station B sends six frames in a row starting at t =0.25. All frames are received correctly.
change management strategies for remote work1. using your experience in a goal oriented group apply the open systems
Class, There is a lot to cover this week before the final so even though some students have not gotten involved yet, I want to keep going. You have provided some good definitions of the cycles
potentially unlimited value
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economic decisions and utilityassuming the consumer is rational how can utility affect their economic decisions? how
Examine the origins and subsequent evolution of your personal and workplace values and explain how your individual values drive your actions and behaviors, and analyze the alignment between your values and actions and behaviors.
It is quite well-known that Peugeot has faced serious problems, as exemplified by their low financial performance and slipping market share.
1-effective use of electronic media road blocking is the media technique of buying ad time on all major networks in the
Explain what is the underlying theme developed throughout the play- and how do the elements of the drama (characters, setting/staging, plot, structure, style, imagery, etc) reflect this?
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