Question 1:
What do you understand by the term unguided media? In brief describe and discuss four kinds of unguided media?
Question 2:
Compare the term optical fibres and satellite transmission.
Question 3:
What are three attributes of a data link protocol?
Question 4:
In brief explain Stop and Wait ARQ. Make a distinction between Stop-and-Wait ARQ and Continuous ARQ, with the help of diagrams.
Question 5:
In brief explain what you understand by Forward Error Correction. Where it is commonly employed?
Question 6:
Describe briefly what you understand by error control.