Weird knocking noise?

Ty07allstar

2015 Mazda 6 Touring
When I go over bumps my car sounds like something is loose under the hood. It's not very loud but definitely shouldn't be there. Sounds like it is coming from the front of the car. What could it be?
 
Just throwing this out there.... do you have basic knowledge on cars? Try downloading the manual to get a good understanding of the parts in question. We are here to help but these are very simple questions that even google can answer.
 
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