Give examples of processing that make goodput less than the channel capacity.
What will be an ideal response?
The goodput rate is less than the capacity of the hardware because protocols impose
overhead. Some network capacity is not available to user data because protocols:
? Send packet headers, trailers, and control information
? Impose a limit on the window size (receive buffer)
? Use protocols to resolve names and addresses
? Use a handshake to initiate and terminate communication
? Reduce the transmission rate when congestion is detected
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In wireless networks, infrared signals are used most often for data communications.
Answer the following statement true (T) or false (F)
Case-Based Critical Thinking QuestionsCase 2-2Henry knows that the Free Transform tool is very powerful but he has some questions about its use, so he drops by his neighbor Steve's house to get some tips. Steve has now completely moved the edge of the umbrella by dragging its handle, stretching it all out of recognizable shape. What modifier is Steve using?
A. Scale B. Distort C. Rotate and Skew D. Envelope
What are the responsibilities of the OSI model Physical layer?
What will be an ideal response?
Member function _________ of the file streams fstream, ifstream and ofstream opens a file.
Fill in the blank(s) with the appropriate word(s).