What are Persistent connections
Persistent connections: In HTTP/0.9 and 1.0, the connection is nearby after a single request or response pair. In HTTP/1.1 a keep-alive-mechanism was mentioned, where a connection could be used again for more than one request.
Define Cellular digital packet data?
Explain how the NRZ-L is different from the NRZ-I?
What do you mean by the term Gateway or Router?
Define pulse amplitude modulation?
Write down the abbreviation of DES? Briefly define it.
Write down the features which are given by layering?
State some of the benefits of the electrostatic plotters.
Explain the term WDP.
Explain the advantages and disadvantages of three types of the routing tables?
Explain the term Airport?
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