Basically whatever they can google, including cloud technologies(they claim to use both azure, aws, gcp so they ask you all of them), databases(DBA skills + SQL, again they claim to use like 6-7 databases at the same project), ETL, java/JVM, python, javascript, NoSQL, and all related frameworks... Many of them are asking you to memorize the definition and you are deemed unexperienced in that area if you cannot cite the definition, even if you have extensive experience in using it.