Sole Proprietor Name Question

Hello,
Looking to file a dba as sole proprietor for marketing on the internet...and have couple questions.

1. Can I use the word "group" in my name even thou it's just me? i.e. JB Media Group

2. Can I create/market various websites/domains for different biz models i.e. web design, evergreen niche affiliate products, & etc without having to file separate DBA for each domain as long as payments are made to JB Media Group?
This is an ad that I inserted!
Thanks,
Billy

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