A User Is Publishing Custom Metrics to CloudWatch

Multiple Choice

A user is publishing custom metrics to CloudWatch. Which of the below mentioned statements will help the user understand the functionality better?

A) The user can use the CloudWatch Import tool
B) The user should be able to see the data in the console after around 15 minutes
C) If the user is uploading the custom data, the user must supply the namespace, timezone, and metric name as part of the command
D) The user can view as well as upload data using the console, CLI and APIs