（ ）是组织与外部服务供应商之间签订的有关服务实施的正式合同。
- A.运营级别协议
- B.集成实施合同
- C.支持合同
- D.保密协议
正确答案及解析
正确答案
解析
服务级别协议（Service Level Agreement，简称SLA）是在一定成本控制下，为保障IT服务的性能和可靠性，服务供方与客户间定义的一种双方认可的协定。
运营级别协议（Operational Level Agreement，简称OLA）是与某个内部IT部门就某项IT服务所签订的后台协议，OLA在IT内部定义了所有参与方的责任，并将这些参与方联合在一起提供某些特别服务。
支持合同（Underpinning Contract，简称UC）是组织与外部服务供应商之间签订的有关服务实施的正式合同，是SLA中的重要部分；UC是正规的、具备法律效力的协议；UC主要由SLA内容加上法律条文中的责任、权利和义务构成；OLA和UC是对SLA的支持，具体关系如下图：
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