The physical layer provides __________(a) mechanical specifications of electrical connectors and cables(b) electrical specification of transmission line signal level(c) specification for IR over optical fiber(d) all of the mentionedI had been asked this question during an internship interview.This interesting question is from Physical Layer in section OSI Model of Computer Network

The physical layer provides __________(a) mechanical specifications of

1.	The physical layer provides __________(a) mechanical specifications of electrical connectors and cables(b) electrical specification of transmission line signal level(c) specification for IR over optical fiber(d) all of the mentionedI had been asked this question during an internship interview.This interesting question is from Physical Layer in section OSI Model of Computer Network
Answer» RIGHT choice is (d) all of the mentioned Easiest explanation: Anything dealing with a network cable or the STANDARDS in use – including pins, connectors and the electric current used is dealt in the physical layer (Layer 1). Physical layer deals with bit to bit delivery of the data AIDED by the VARIOUS transmission MEDIUMS.

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