Which of the following locations is it illegal to carry a firearm in Utah?

It is illegal to carry a firearm in federal facilities in Utah because federal law prohibits the possession of firearms in these locations unless explicitly authorized. Federal facilities include places like post offices, federal courthouses, and federal buildings. It is important for individuals to be aware of and follow federal regulations regarding firearms in order to avoid unintentional violations.

State parks, private residences, and bars/restaurants have different regulations regarding the possession of firearms in Utah. State parks typically allow individuals to carry firearms, private residences are usually covered under the rights of homeowners, and bars/restaurants may have specific regulations that gun owners must adhere to, such as restrictions on carrying while under the influence of alcohol.