行政机关应当主动公开的政府信息包括( )。

A．涉及公民、法人或者其他组织切身利益的

B．需要社会公众广泛知晓或者参与的

C．反映本行政机关机构设置、职能、办事程序等情况的

D．其他依照法律、法规和国家有关规定应当主动公开的

The Simple Network Management Protocol (SNMP)is an (66) protocol that facilitates the exchange of management information between (67) . It is part of the Transmission Control Protocol/Internet Protocol(TCP/IP) protocol suite. SNMP enables network (68) to manage network performance, find and sole network problems, and plan for (69) An SNMP -managed network consists of three key components: managed devices , (70) ,and network -management systems .

A．Physical Layer

B．Link Layer

C．Network Layer

D．Transport Layer