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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