For SRE (and some SWE) technical phone screens or onsite modules, you may be subjected to some pop-quiz style questions related to troubleshooting Linux machines.
You can use the following quiz to test
If you're accessing AWS using the aws command line tool, you already have to manage a set of credentials locally. A better solution is to use aws-vault to streamline your workflow.
If you're preparing for a site reliability engineering interview, you'll need to prepare ahead of time to increase your chances of obtaining that awesome offer.