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Explain why keying is needed in the data communication over networks? By using suitable diagrams compare the different features of the Frequency Shift Keying (FSK) with Phase Shift Keying (PSK).
Explain how does symmetric key cryptography distinct from the asymmetric key cryptography? As well write merits of former over the latter.
Explain the operation of LED in the O.F. communication.
Specify two benefits and drawbacks of the network standards.
TCP machine is sending windows of 65535 bytes over the 1-Gbps channel which consists of a 10-milisecond one-way delay. Illustrate the maximum throughput achievable?
Explain the design issues for the Network Layers Architecture. As well sketch the diagram for TCP/IP model with layers and protocols.
When binary signal is sent over a 3-kHz channel whose signal-to-noise ratio is 20 dB. Determine the maximum achievable data rate?
Distinguish between the Voice Network and Data Network.
Critically discuss about the unguided media with the help of examples. Critically discuss the features of the analog and digital signal.
Illustrate out the features of infrared. Make a distinction between passive and active hub.
Describe the fiber optics along with its characteristics. Describe the coaxial cable along with its characteristics.
Explain the star topology and describe it with the help of an example. Provide some of its benefits and drawbacks? Explain what are passive and active networks? Also explain what is Ring network and
Explain the Rotation of an object around an arbitrary point.
Describe the three-way handshake procedure of setting up or closing of a connection in the TCP.
By using Differential Manchester encoding scheme, draw the time versus amplitude graphs for the bit stream 0101101001.
Distinguish between the circuit switching, packet switching and the message switching.
Illustrate out the Carrier sense Multiple Access Protocols. Illustrate out various Network devices comprehensively.
In brief discuss about the Error control and Flow control. Write down comprehensive notes on the term Internet Transport Protocols.
For binary data 01101001, plot various digital shift keying modulated wave forms and describe the same.
Describe the use of TTL packet in IP header in detail.
What are the two interfaces provided by protocols? What do you mean by flow Control?
Sketch a fundamental block diagram of the ARQ and describe Selective Repeat ARQ method?
Write down the advantage of FDDI over a basic Token Ring.
Describe the Global System for Mobile Communications?
Describe in detail the adaptive increase / multiplicative decrease methods used in TCP congestion control.