Which of the commands can be used to list the metrics for Direct Connect connections in AWS

Answer options:

A.AWS cloudwatch list-metrics --namespace "AWS/Direct"
B.AWS cloudwatch list-metrics --namespace "AWS/DirectConnect"
C.AWS cloudwatch list-metrics --namespace "AWS/DC"
D.AWS cloudwatch list-metrics --namespace "AWS/DX"

Answer – D
This is given in the AWS documentation
For more information on monitoring Direct Connect connections, please visit the below URL:
http://docs.aws.amazon.com/directconnect/latest/UserGuide/monitoring-cloudwatch.html