Your company is considering moving its mail server to a hosting company. This will help reduce hardware and server administrator costs at the local site. Which of the following documents would formally state the reliability and recourse if the reliability is not met?

An SLA (service level agreement) defines the level of service the customer expects from the service provider. The level of service definitions should be specific and measurable in each area. An MOU (memorandum of understanding) is a legal document that describes a mutual agreement between parties. An ISA (interconnection security agreement) is an agreement that specifies the technical and security requirements of the interconnection between organizations. A BPA (business partners agreement) is a legal agreement between partners. It establishes the terms, conditions, and expectations of the relationship between the partners.