**What is my-default-configuration?**\
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`my-default-configuration` is a name given to a specific configuration within the Google Cloud SDK. Configurations in `gcloud` allow you to manage and switch between different sets of settings, such as project, region, and authentication details. By default, `gcloud init` may create a configuration named `default`, but you can name configurations anything you like, such as `my-default-configuration`, to organize and manage multiple setups easily.