1.Define telecommunication.
2.Define digital signal.
3.What is bandwidth?
4.Define out of band signalling?
5.What is modulation?
6.Define MAC address.
7.What are the different layers of OSI model?
8.Why are switches preferred over hubs?
9.What are the different LAN Topologies?
10.What are the advantages of Fiber Optic Cables?
SECTION - B
Answer any FOUR questions. (4 × 10 = 40)
11.Explain amplitude modulation?
12.Write in detail, about satellite transmission.
13.Explain Amplitude Shift Keying and Phase Shift Keying.
14.Explain the functions of Data link layer, Network layer and Transport layers of ISO/OSI model.
15.Explain mesh and Tree topology.
16.Brief about hubs and switches.
SECTION - C
Answer any TWO questions. (2 × 20 = 40)
17.Explain the different transmission media.
18.Explain Analog to digital and digital to analog conversion concepts.
19.Explain the functions of different layers of ISO/OSI model with neat diagram.
20.Explain the various LAN topologies highlighting the advantages and disadvantages of each.