Answer:
Software as a Service is the correct answer of this question.
Step-by-step explanation:
An method for applying a software program in which little or no software and local computers are built data is isolated between organizations called Software as a Service. It is a data delivery method which allows access to the information from every system with a Broadband connection and web surfing.
For example:- ZenDesk, DocuSign, Slack, Hubspot,Dropbox, MailChimp.
Technology as a System is a device delivery model in which a third-party vendor manages systems and puts them up over the Network to consumers.