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.
The TCP/IP network architecture. TCP/IP is a shorthand for the two most important protocols used to make the Internet work. The Internet Protocol (IP) is responsible for transferring these data packets, while the Transmission Control Protocol (TCP) makes sure all packets arrive safely, retransmitting them if necessary. An alternative to TCP is the User Datagram Protocol (UDP), which is an unreliable but fast protocol that is often used for data transfer. The Internet architecture is made up of five layers that work together. These five layers are, from high to low: The Application Layer; The Transport Layer; The Network Layer; The Link Layer; The Physical Layer