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Question

ATM (Asynchronous Transfer Mode) is fundamentally a ............technology.

A
Circuit Switching
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B
Packet Switching
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C
Narrow band
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D
None of these
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Solution

The correct option is D Packet Switching

ATM (Asynchronous Transfer Mode) is fundamentally a packet switching technology.

ATM is a dedicated connection-oriented switching technology, in which switches create a virtual connection or virtual circuitbetween the sender and receiver of a call that permanent or switched for the duration of the call. It is a small-packet switched system or similar to circuit-switched network, which breaks down messages into very small, fixed length.

Asynchronous transfer mode (ATM) is a switching technique used by telecommunication networks that uses asynchronous time-division multiplexing to encode data into small, fixed-sized cells. This is different from Ethernet or internet, which use variable packet sizes for data or frames.

Packet switching:-

Packet switching is a digital networking communications method that groups all transmitted data – regardless of content, type, or structure – into suitably sized blocks, called packets.



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