Answer:
1. Communications Protocol
2. Network
Step-by-step explanation:
TCP/IP is an acronym in computer science or engineering, that stands for Transmission Control Protocol or Internet Protocol. It is often referred to as COMMUNICATIONS PROTOCOL. It is technically utilized for the interconnection of NETWORK for machines or gadgets on the internet. In some other cases, it can also be used as either intranet or extranet; a form of a private computer network.
Hence, in this case, the correct answer is TCP/IP-based protocols called COMMUNICATIONS PROTOCOL established a NETWORK between two computers through which they can send data.