You have large, unstructured files in various formats and need them accessible on Google Cloud for a Dataflow ETL job. Where should you place the files?
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Correct answer: Upload the files to Cloud Storage using gcloud storage..
Why this is the answer
Cloud Storage is the ideal solution for storing large, unstructured files in various formats, as it is a highly scalable, durable, and cost-effective object storage service. Dataflow jobs can directly read data from and write data to Cloud Storage buckets, making it a seamless integration for ETL processes. The gcloud storage command-line tool (or gsutil) is the standard way to interact with Cloud Storage from the command line. BigQuery is a data warehouse for structured and semi-structured data, not designed for storing raw, unstructured files. Cloud SQL is a relational database service, suitable for structured data, not large unstructured files. Cloud Spanner is a globally distributed, strongly consistent relational database, also not designed for unstructured file storage.
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