Which of the following scenarios is best for using cloud functions?
A . Perform analysis on IoT sensor input messages (such as MQTT messages)
B . AI model training task that takes a long time to perform
C . Scenarios that need to provide services in the background and have high requirements for latency
D . Stateless, short-lived, the amount of business requests cannot be estimated, and there is no major requirement for the instantaneous cold start time
Answer: D