Question: A Layer 1 protocol is responsible for: Defines the physical characteristics of the medium Defines the functional characteristics of the signal Technique used to modulate

A Layer 1 protocol is responsible for:

Defines the physical characteristics of the medium

Defines the functional characteristics of the signal

Technique used to modulate the signal

Defines the frame format of the signal

1,2 and 4 only

1 and 2 only

1,2, and 3 only

None of the above

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