ITILFND Exam Dumps - ITIL – Foundation (v4)

A service relationship is defined as the cooperation between a service provider and service consumer. Service relationships are established between two or more organizations to co-create value. An organization can play the role of provider or consumer interchangeably, depending on the situation.

https://www.bmc.com/blogs/itil-key-concepts-service-management/#:~:text=and%20stakeholder%20management.-,Service%20Relationships,interchangeably%2C%20depending%20on%20the%20situation .

To protect the information needed by the organization to conduct its business. This includes understanding and managing risks to the confidentiality, integrity, and availability of information, as well as other aspects of information security such as authentication and non-repudiation.

https://www.bmc.com/blogs/itil-management-practices/

Nonrepudiation provides an assurance that the sender of data is provided with proof of delivery and the recipient is provided with proof of the sender's identity, so neither can later deny having processed the data. Further, this concept can apply to any activity, not just the sending and receiving of data; in a more general sense, it is a mechanism to prove that an activity was performed and by whom. Nonrepudiation is typically comprised of authentication, auditing/logging, and cryptography services.

https://www.sciencedirect.com/topics/computer-science/nonrepudiation