多项选择题
Which three features are added in SNMPv3 over SNMPv2 ? （）
A.Message Integrity B.Authentication C.Encryption D.Compression E.Error Detection
多项选择题 What is the alert message generated by SNMP agents called ? （）
单项选择题 Which protocol can cause overload on a CPU of a managed device?（）
单项选择题 When a router undergoes the exchange protocol within OSPF, in what order does it pass through each state?（）
