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1.	A Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â is a series of logical connections between the source and destination nodes.
A.	cell circuit
B.	attenuation circuit
C.	virtual circuit
D.	switched network
Answer» D. switched network

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