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The main difference between synchronous and asynchronous transmission is:
(a)The clocking is derived from the data in synchronous transmission
(b)The clocking is mixed with data in asynchronous transmission
(c)The pulse height is different
(d)The bandwidth required is different
(e)None of these

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Important Questions on Data Communication Networking
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IMPORTANT
In a synchronous modem, the digital-to-analog converter transmits signal to the:

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HSSC Clerk
IMPORTANT
The loss in signal power as light travels down the fibre is called:

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IMPORTANT
Which of the following items is not used in Local Area Network?

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FDDI is a_____.

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The device that converts computer output into a form that can be transmitted over a telephone line is called a/an:

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Which layer of international standard organisations' OSI model is responsible for creating and recognising frame boundaries?

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The fundamental requirements of private-to-public network interconnection methods which need to be provided in gateways is/are:

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HSSC Clerk
IMPORTANT
Network used for sharing data, software and hardware among several users owning microcomputers is called:
