Answer: Option [D]
Physical Layer of the OSI model deals with all physical characteristics of the medium for Data Transfer (includes mechanical, electrical, and functional characteristics)
Answer: Option [D]
Physical Layer of the OSI model deals with all physical characteristics of the medium for Data Transfer (includes mechanical, electrical, and functional characteristics)
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Answer: Option [B]
Answer: Option [B]
Answer: Option [A]
TCP/IP is related to ARPANET. ARPANET was a project of Advanced Research Projects Agency. It worked on the store and forward concept and was developed later to form the TCP/IP.