What term describes specifications that establish the compatibility of products and the ability to communicate in a network?

The term that accurately describes specifications that establish the compatibility of products and the ability to communicate in a network is network standards. These standards ensure that different devices, protocols, and systems can work together effectively in a networked environment, facilitating interoperability and communication between different manufacturers' equipment. Network standards encompass a range of protocols and guidelines that outline how data is transmitted over networks, ensuring seamless interaction among diverse technologies.

While telecommunications standards may also relate to communication technology, they typically focus more on the physical and operational aspects specific to telecommunications systems rather than broader networking compatibility. Technology standards encompass a wider scope, including hardware, software, and service specifications across various domains, but do not solely focus on networking specifics. Internet standards are a subset of network standards but pertain specifically to protocols governing how data flows across the internet, such as those set by the Internet Engineering Task Force (IETF).

Thus, network standards are the most fitting term in the context of establishing compatibility and communication capabilities within networks.