a. What layer or layers govern(s) transmission media?

6a.) Which layer governs wires?

b. Application programs?

6b1.) Which standards layer governs e-mail?

6b2.) Which standards layer governs the World Wide Web?

6b3.) Which standards layer governs peer-to-peer file sharing?

6b4.) Which standards layer governs multi user word processing programs?

c. Transmission through a single network?

6c.) Which layer(s) govern(s) transmission through a single network?

d. Transmission through the Internet?

6d.) Which layer(s) governs transmission through the Internet?

e. Application message fragmentation?

6e1.) Which layer does application message fragmentation?

6e2.) The application layer does application message fragmentation.