Please use the credentials you have been provided whenever you need to log into either the `Data Repository`, the `Study Manager` or the `Authentication Server`.
You will be provided an address of a node along with user credentials that you can use throughout this workshop.
Please use your credentials whenever you need to log into the `Data Repository`, the `Study Manager` or the `Authentication Server` of the node that has been attributed to you.
*[Part 1: Setting Up Data in the Data Repository (Opal)](opal)
*[Upload the Dictionary and Data File](opal#upload-the-dictionary-and-data-file)