1) Porter’s Competitive Forces Model may be used in order to assess the opportunities and threats because of the influence of Internet. Pick a company on Internet and describe how the Porter’s Competitive Forces Model describes their business and the competitive position. Be sure in order to involve at least one site reference.
2) In the stop and wait ARQ, if “data 1” has an error, receiver transmits a ____ frame.
a) NAK
b) NAK 0
c) NAK 1
d) NAK 2