When using the GDC Data Transfer Tool, is it possible to set a bandwidth limit?
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The GDC Data Transfer Tool does not offer a setting to limit the bandwidth it uses.
Access Data
What is the recommended tool and protocol for transferring large volumes of data to or from the GDC?
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The GDC Data Transfer Tool is recommended for transferring large datasets to or from GDC. For additional details, please visit the GDC Data Transfer Tool User’s Guide.
What are the system requirements for using the GDC Data Transfer Tool?
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System requirements for using the GDC Data Transfer Tool are available on the GDC Data Transfer Tool page. Additional details are in the GDC Data Transfer Tool User's Guide.
How do I create an advanced search query?
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Users can perform advanced SQL-like queries using the GDC Data Portal Search interface. Instructions on using the GDC Data Portal Search interface are available in the GDC Data Portal User's Guide.
Where do I go to report an issue or submit an inquiry about the GDC?
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The GDC provides helpdesk support for data submission and other issues. For information on the GDC helpdesk, please visit GDC Support.
How do I obtain an account to log in to the GDC?
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Generally, browsing indexed GDC metadata (such as information about the cases and files contained in the GDC Data Portal) does not require a login.
eRA Commons authentication and dbGaP authorization are required before accessing controlled data, which generally includes individually identifiable information such as low level genomic sequencing data and germline variants.
Controlled-access data users log in to the GDC using their eRA Commons accounts. The GDC then verifies that the user has authorization in dbGaP to access specific controlled datasets.
How does the GDC maintain secure access to controlled access data?
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GDC data is stored in a secure FISMA-compliant facility. Access to controlled data requires authorization via dbGaP. See Data Access Processes and Tools for more information.
How do I query and download data from the GDC?
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The GDC provides several resources for querying and downloading data from the GDC including the GDC Data Portal for querying and downloading GDC data files, the GDC Data Transfer Tool for downloading large volumes of files, and the GDC Application Programming Interface (API) for performing programmatic queries and downloads.