ABC Company maintains two Hadoop clusters, one for test and one for production. One of the developers wants to copy a data file from the test to the production environment.
Which two are possible options to accomplish this?
A. Use Flume to ingest the file again and deliver it to production.
B. Back up the file to tape and restore it to the production cluster.
C. Use an FTP command to copy files between the test and production environments.
D. Use the hdfs dfs -cp command to copy the file from test to production.
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