Company A agrees to provide perimeter protection, power, and environmental support with measurable goals for Company B, but will not be responsible for user authentication or patching of operating…

A Service Level Agreement (SLA) is a contract between a service provider and a customer that specifies the level of service expected, including measurable goals, responsibilities, and the scope of services provided or excluded. The question accurately describes an SLA by detailing specific services (perimeter protection, power) with measurable goals, while explicitly delineating responsibilities (not responsible for user authentication or OS patching).

A Memorandum of Understanding (MOU) is a non-binding agreement that outlines the general intent of two parties, lacking the specific, measurable service definitions and responsibilities described in the question.

A Business Partner Agreement (BPA) defines the legal relationship, roles, and responsibilities between business partners, which is broader than the specific service provision and performance metrics outlined.

An Interoperability agreement focuses on how different systems or organizations will interact to ensure compatibility and smooth operation, which does not match the description of general service provision and measurable goals.