12. The presentation-formatting process is sometimes regarded as an
autonomous protocol layer, separate from the application. If this is
so, why might including data compression in the presentation
layer be a bad idea?
13. Suppose you have a machine with a 36-bit word size. Strings are
represented as five packed 7-bit characters per word. What
presentation issues on this machine have to be addressed for it to
exchange integer and string data with the rest of the world?