Which of the following statements about the OSI model is true?

Which of the following statements about the OSI model is true?
A . The application layer does not need to know what type of network is being used because that is dealt with by a layer below it.
B . The network layer deals with the network cabling and network device interface compatibility.
C . The transport layer deals with how the data is transported from one router to another based on the IP header.
D . The model consists of four layers that describe the requirements a technician follows to troubleshoot and support a network.

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Answer: A