What do you understand by the term unguided media? In brief describe and discuss four kinds of unguided media?
Compare the term optical fibres and satellite transmission.
What are three attributes of a data link protocol?
In brief describe Stop and Wait ARQ. Make a distinction between Stop-and-Wait ARQ and Continuous ARQ, with the help of diagrams.
In brief describe what you understand by Forward Error Correction. Where it is commonly employed?
Describe briefly what you understand by error control.