题目内容：
根据下列材料，回答题：The Simple Network Management Protocol (SNMP)is an（ 1 ）protocol that facilitates the exchange of management information between（ 2 ）.It is part of the Transmission Control Protocol/Internet Protocol(TCP/IP) protocol suite.SNMP enables network（ 3 ）to manage network performance, find and sole network problems,and plan for（ 4 ）.An SNMP-managed network consists of three key components:managed devices ,（ 5 ）,and network-management systems .
请选择（ 1 ）处最佳答案：
参考答案：
答案解析：