In the OSI model, what three functional areas are addressed by physical layer standards? (Choose three.)

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In the OSI model, what three functional areas are addressed by physical layer standards? (Choose three.)

frame encapsulation
error detection and retransmission
encoding
physical components
signaling
media access control

Explanation: The physical layer standards address three functional areas: physical components, encoding, and signaling. Frame encapsulation, media access control, and error detection and retransmission are services provided by the data link layer.

In the OSI model, what three functional areas are addressed by physical layer standards? (Choose three.)

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