IAN  connects voice and data endpoints within a cloud environment over IP.

A firewall is a network device for controlling network security and access rules.

It is a logically visible subdivision of an IP network. The practice of dividing a network into two or more networks is called subnetting.

HTTP is a stateless protocol. A stateless protocol does not require the HTTP server to retain information or status about each user for the duration of multiple requests.

Hypertext Transfer Protocol Secure (HTTPS) is a communication protocol for secure communication over a computer network.

Carbon diet refers to reducing the impact on climate change by reducing greenhouse gas (principally CO₂) production.

Telecollaboration refers to a set of software technologies that enables the integration and extension of personal desktop collaboration into high definition videoconferencing solutions.

Due to Rayleigh scattering, the sky looks blue.

Power to gas (often abbreviated P2G) is a technology that converts electrical power into a gas fuel.

Water vapours contribute 36 – 70% towards the greenhouse effect on Earth.

Correct option

It shows that the transmission of meaning depends not only on the structural and linguistic knowledge of the speaker and listener, but also on the context of the utterance.

Verb valency or valence refers to the number of arguments controlled by a verbal predicate.

Graphonomics is directed towards scientific analysis of the handwriting process.

Codicology is the study of books as physical objects.