Your Company Needs to Upload Their Historic Data to Cloud

Multiple Choice

Your company needs to upload their historic data to Cloud Storage. The security rules don't allow access from external IPs to their on-premises resources. After an initial upload, they will add new data from existing on-premises applications every day. What should they do?

A) Execute gsutil rsync from the on-premises servers. Execute gsutil rsync from the on-premises servers.
B) Use Cloud Dataflow and write the data to Cloud Storage.
C) Write a job template in Cloud Dataproc to perform the data transfer.
D) Install an FTP server on a Compute Engine VM to receive the files and move them to Cloud Storage.