Answer the following. 1. Differentiate between Half duplex and Full Duplex 2. What is piggybacking? 3. What is framing? 4. What is Baud Rate in Data Transmission? 5. What is meant by: PAN & MAN 6. Define: Wavelength & Frequency 7. What is Fiber Optics?
[7 marks]Explain TCP/IP reference model with its all Layers in detail.
[7 marks]Explain Propagation mode of Fiber Optic cable.
[7 marks]List different types of transmission media. Discuss advantages and disadvantages of fiber Optics over the copper wire.
[7 marks]What is electromagnetic spectrum? What are radio waves & Micro waves?
[7 marks]Explain CRC for error detection with suitable example.
[7 marks](1) Compare Selective Repeat and Go back N (2) Compare Data link layer and transport layer
[3 marks]Explain Non persistent, 1-persistent and P-persistent CSMA protocol.
[7 marks]What is hamming code? Calculate hamming code for the message 10010110.
[7 marks]Write a short note on Aloha & Slotted Aloha.
[7 marks]What is three-way handshake? Explain how three-way handshake solves delayed duplicate problem.
[7 marks]What are the duties of transport layer? Compare those with that of data link layer.
[7 marks]What is IPSec? Discuss its usefulness?
[7 marks]Compare Virtual-Circuit Network and Datagram Network
[7 marks]Explain Bluetooth Architecture in detail. Also explain Protocol Stack of Bluetooth technology.
[7 marks]What is congestion? How is congestion controlled in virtual circuit Network?
[7 marks]Explain Domain Name System (DNS) with the importance of resource record. Explain any four resource records.
[7 marks]