Allianz Financial Services (AFS) is a banking group offering end-to-end banking and financial solutions in South East Asia through its consumer banking, business banking, Islamic banking, investment finance and stock broking businesses as well as unit trust and asset administration, having served the financial community over the past five decades.
AFS uses Redshift on AWS to fulfill the data warehousing needs and uses S3 as the staging area to host files. AFS uses other services like DynamoDB, Aurora, and Amazon RDS on remote hosts to fulfill other needs. The team uses load the data from different data sources using COPY command. What data sources does not support loading of data using COPY command? Select 1 option.

Answer options:

A.Amazon S3
B.Amazon EMR
C.Amazon ES
D.Amazon DynamoDB

Answer : C
Option C is correct: COPY command can load data from text files in an Amazon S3 bucket, in an Amazon EMR cluster, or on a remote host that your cluster can access using an SSH connection. You can also load data directly from a DynamoDB table
https://docs.aws.amazon.com/redshift/latest/dg/copy-parameters-data-source.html