多选题What are three characteristics of UDP?（）AUDP is faster than TCPBUDP operates at the Transport LayerCUDP is connection-orientedDUDP data is sent best-effortEUDP is more reliable than TCP
题目
多选题
What are three characteristics of UDP?（）
A
UDP is faster than TCP
B
UDP operates at the Transport Layer
C
UDP is connection-oriented
D
UDP data is sent best-effort
E
UDP is more reliable than TCP