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．network growth

B．network structure

C．network architecture

D．network servers

男性患者，缺失，余留牙及牙周组织健康，整铸支架活动义齿修复

整铸支架浇铸道的设置形式常见的有几种（）

A．2种

B．3种

C．4种

D．5种

E．6种