1a. If cell A1 equals 1, the function returns Bad. 1b. If cell A1 equals 2, the function returns Good. 1c. If cell A1 equals 3, the function returns Excellent. 1d. If cell A1 equals another value, the function returns No Valid Score. Here's another example. 2a.
In information technology, a protocol is the special set of rules that end points in a telecommunication connection use when they communicate. Protocols specify interactions between the communicating entities. Download this free guide.
In a network, TCP is what applications use to communicate with one another. For instance, your web browser talks to network software using TCP. IP is the communication that takes place between computers. So IP is what sends packets between computer.