Question:What is ATM (Asynchronous Transfer Mode)?
A It is a WAN technology based on frequency division multiplexing that uses fixed size packets known as cells
B It is a WAN technology based on time division multiplexing that uses variable size packets.
C It is a WAN technology based on time division multiplexing that used fixed size packets known as cells
D It s a virtual circuit based WAN technology
+ AnswerC
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