16. Which of the following are TCP/IP protocols used at the Application layer of the OSI model?
A. 1 and 3
B. 1, 3 and 5
C. 3, 4 and 5
D. All of the above
17. What protocol is used to find the hardware address of a local device?
18. Which of the following protocols uses both TCP and UDP?
19. What is the address range of a Class B network address in binary?