NOC可能指以下其中一项：

• 国家奥林匹克委员会
• 全国中小学信息技术创新与实践活动
• 网络运维中心

A network operations center (NOC, pronounced like the word knock), also known as a "network management center", is one or more locations from which network monitoring and control, or network management, is exercised over a computer, telecommunication or satellite network.