How do you distinguish a DNS problem from a network
problem?
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which modulation we use in case of GPRS ?
What is the height of ESMA card?
Tell me about Optical Fiber.
What do you mean by FDMA? Explain in details.
What will happen if we change the polarity of microwave antenna?
What is the layered architecture of the internet?
Which type of connector we use at the end of GSM antenna/
3 Answers Aircel, Ericsson, Nokia,
Tell me what is the difference between tcp and udp?
What are the different elementsof MSC?
What is the cost of installation of BTS at a place ? justify the value, i.e. how it will cost that much.
In CDMA, what is the difference between CDG1, CDG2 and CDG3 tests. What all tests are present in those?
Explain the structure of entire GSM.