Organizations perform work to achieve a set of objectives．Generally, work can be categorized as either projects or operations, although the two sometimes are （67）.

A．confused

B．same

C．overlap

D．dissever

目前常见的网络管理协议有 【15】 、公共管理信息服务/协议(CMIS/CMIP)和局域网个人管理协议(LMMP)等。