What is a network of connected objects that can be remotely accessed known as?

The term that refers to a network of connected objects that can be remotely accessed is the "Internet of Things" (IoT). This concept encompasses a vast network where various devices and objects, equipped with sensors and software, are connected to the internet to collect and exchange data.

The Internet of Things integrates physical objects with digital systems, enabling them to communicate and interact, leading to enhanced automation, data collection, and improved efficiencies across different applications—from smart homes to industrial automation. Devices such as smart thermostats, wearable health monitors, and connected vehicles all exemplify this interconnected network.

The other choices represent different concepts that do not accurately capture the essence of connected, remotely accessible objects in the same way. For instance, a web graph pertains to the representation of web pages and links and does not imply interactivity or remote access in the context of physical devices. A smart network suggests improved connectivity but is not a recognized term for connected objects. Cognitive internet implies a more intelligent processing of data but does not focus specifically on the network of connected devices. Thus, the best fit for describing a network of remotely accessible objects is indeed the Internet of Things.