This is the VSNL India second round – the technical interview round.
My interview lasted for about 20 minutes. There were 2 persons in the interviewer panel.
Its a combined Technical HR Interview.
They asked me about my favorite subject and i said its networking.
Now the questions they asked are: Technical Topics:
1: What is a Network?
2: Whats the difference between OSI nd TCP/IP
3: Difference between Switches, Bridges and Routers. Which of these is better nd why?
4: Difference between LAN and WAN
5: Whats the function of Session layer
6: capacitance of coaxial cabel
7: Tell about the Demorgans law
8: Maxwell equation (i just dont know why they were asking physics questions!)
9: Shenon’s equation
10: Define S/N
12: AM, FM, PM (amplitude modulation, frequency modulation, phase modulation)
13: Why clock is required and what is synchronisation?
14: Define an Amplifier. What are the different types of amplifiers?
Some other candidates were asked questions about the communication and electronics topics - GSM, Mobile Communication, Satellite communication, Filters etc. But the questions asked are basic.
Prepare one subject well. After the tech interview there was the HR questions..
Good luck.
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