What are the important characteristics of a periodic signal?
[3 marks]Explain how synchronous time division multiplexing (TDM) works.
[4 marks]Explain the difference between datagram and virtual circuit operation. Explain the different switching techniques.
[7 marks]Explain the operation of TCP.
[3 marks]What is the major function of the network access layer?
[4 marks]Define channel capacity. Write Shannon and Nyquist capacity formula.
[7 marks]Explain Automatic repeat request in detail.
[7 marks]Give the comparison between HLR and VLR.
[3 marks]Draw the GSM architecture.
[4 marks]Explain the authentication and security issues during handover in GSM.
[7 marks]Describe the different applications of GPRS.
[3 marks]Draw the GPRS architecture.
[4 marks]Explain the billing and charging in GPRS.
[7 marks]Discuss the network elements in GPRS that are different from GSM.
[3 marks]Draw and explain Bluetooth Protocol Architecture.
[4 marks]Explain the IEEE 802.11 Architecture with the diagram.
[7 marks]What is the difference between flat and selective fading?
[3 marks]Compare Wi-Fi and Wi-Max.
[4 marks]Describe Direct Sequence Spread Spectrum Technique.
[7 marks]What two key elements comprise error control?
[3 marks]Describe Android Button View Control and Text View Control.
[4 marks]Explain Mobile IP.
[7 marks]What is the role of AUC? How is authentication done in a GSM network?
[3 marks]Discuss various Android Layouts.
[4 marks]Explain Android application framework with its components.
[7 marks]