Problem #1 Note: Limit your responses for explanations to no more than 3 lines. Writing extra is not going to fetch you extra credits. (a) Very briefly compare and contrast link state' v/s distance vector' routing algorithms. Name one routing protocol based on 'link state and one based on 'distance vector' algorithm? (3 + 2 pts) (b) Briefly explain what is "count to infinity' problem in routing. Name one of the techniques used to address this issue? (3 + 2 pts) (c) In Broadcast routing, in-network duplication is considered to be more efficient than source duplication? (2 pts for correct answer + 3 pts for correct explanation) (d) Frequency hopping in Bluetooth provides a form of multiple access among co-located devices in different piconets? (2 pts for correct answer + 3 pts for correct explanation) (e) Briefly explain the concept of Spread Spectrum and its benefits. Name one multiplexing technique used with spread spectrum? (3 + 2 pts)