Internet of Things (IoT) Practice Exam 2025 – Comprehensive Prep Resource

The correct response is rooted in the historical significance of Danish King Harald Gormsson, commonly known as Harald Bluetooth. He was an influential figure in the Viking era who played a vital role in uniting Denmark and parts of Norway, thereby fostering communication and trade between the two regions.

The naming of Bluetooth technology after King Harald Gormsson is symbolic, reflecting the technology's purpose of enabling communication and connectivity between various devices over short distances. Just as King Harald bridged gaps between cultures and peoples, Bluetooth technology aims to facilitate seamless connections in a modern technological context.

The other interpretations of the name, such as the association with a scientist having "blue teeth" or linking it directly to Ericsson's founder, lack historical accuracy and do not convey the deeper significance of communication that the king's name embodies. This makes the choice of King Harald Gormsson particularly apt, as it honors both a historical figure important to Danish heritage and the core function of the technology itself.