在传送IP数据包时,如果发生了诸如主机不可到达、路由不可到达等错误时,()协议将会把错误信息封包,然后传送回主机。
A、TCP
B、UDP
C、IGMP
D、ICMP
参考答案:D
Identifying which quality standards are relevant to the project and determining how to satisfy them should be addressed during ______ .
A.the conceptual phase
B.the planning process
C.project implementation
D.risk identification
基层组织建设年活动的“五个一”是什么?