The correct answer is C.
OBJ-4.3: MOU is a memorandum of understanding. This is the most accurate description based on the choices given. A memorandum of understanding is a document that describes the broad outlines of an agreement that two or more parties have reached. MOUs communicate the mutually accepted expectations of all of the parties involved in a negotiation. While not legally binding, the MOU signals that a binding contract is imminent. A service level agreement (SLA) is a commitment between a service provider and a client for particular aspects of the service, such as quality, availability, or responsibilities. An acceptable use policy (AUP) is a set of rules applied by the owner, creator, or administrator of a network, website, or service, that restrict how the network, website, or system may be used and sets guidelines as to how it should be used. A master service agreement (MSA) is a contract reached between parties, in which the parties agree to most of the terms that will govern future transactions or future agreements.