Midterm #2 (Fall 1999)
(15 points) Define the following terms
(20 Points) What is
the maximum possible data rate over a 4Khz pass-band channel with 40 dB signal
to noise ratio and using binary encoding?
(15 points) Ethernet
uses a fixed bit pattern for encoding the start of frame marker. Does this mean that you need to bit (or
byte) stuff the data in an Ethernet frame?
Explain your answer.
(10 points) Draw the
Manchester encoding of the string 011100.
(20 points) Give an example illustrating how you can
Inter-network (gateway) traffic at each of the following layers: physical,
link, network, and application.
(20 points) Explain
what a three-way handshake is and why it is used to establish connections.