ITSS运行维护系列标准从服务对象、服务过程和服务能力等方面提出了规范性要求。其中（）标准为运行维护服务组织提供了一个运行维护服务能力模型，通过策划、实施、检查和改进来帮助组织实施运行维护服务能力的持续提升。
A、《信息技术服务 运行维护 第1部分：通用要求》
B、《信息技术服务 分类与代码》
C、《信息技术服务 运行维护 第2部分：交付规范》
D、《信息技术服务 运行维护 第3部分：应急响应规范》

依据《中华人民共和国招标法》，以下描述不正确的是（）
A、依法必须进行招标的项目，其招标活动不受地区或部门的限制
B、为保证招标工作的公正性，招标人需委托代理机构，不得自行办理招标事宜
C、任何单位和个人不得以任何方式为招标人指定招标代理机构
D、招标代理机构与行政机关和国家机关不得存在隶属关系

（）is a discipline with in the information technology and information systems domain and is concerned with making the planning process for information technology investments and decision-making a quicker，more flexible，and more thoroughly aligned process.
A、Information technology planning
B、Service monitor management
C、Service design
D、Information technology audit

Change management would typically be composed of the raising and recording of changes, assessing the impact, cost, benefit and risk of proposed changes,developing business justification and obtaining approval, managing and coording change implementation, monitoring and reporting on implementation, reviewing and closing （）.
A、change reason
B、change model
C、remediation plan
D、change requests

A service level agreement is an agreement between two or more parties, where one is the customer and the others are ().
A、service brokers
B、service providers
C、service auditors
D、key customers

PCDA（Deming cycle）is an iterative four－step management method used in continual improment of processes and products.During the（）phase，the data and results gathered from the do phase are evaluated.Data is compared to the expected outcomes to see any similarities and differences.
A、plan
B、do
C、check
D、act