TCP/IP model was developed _____ the OSI model.

A. Prior to

B. After
C. Simultaneous to
D. With no link to

Explanation: Several TCP/IP prototypes were developed at multiple research centers between 1978 and 1983, whereas OSI reference model was developed in the year 1984. TCP/IP was developed with the intention to create a model for the Internet while OSI was intended to be a general network model.