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Question

The protocols working in the physical layer of the OSI Model are ___.

a.

USB, Bluetooth, IEEE 802.3, IEEE 802.11, IEEE 802.15, IEEE 802.16

b.

POTS, PDH, SONET, SDH, PON, OTN, DSL, ITU-T V series, ITU-T G.hn PHY

c.

I.430, I.431, EIA/TIA-232, EIA/TIA-449

d.

All of the above

Posted under Network Models Networking

Answer: (d).All of the above

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Q. The protocols working in the physical layer of the OSI Model are ___.

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