Who of the following are peace officers in the state of Texas?

In Texas, the designation of peace officers encompasses a broad range of law enforcement personnel beyond just local police officials or state troopers. The term "peace officer" includes not only local police but also state troopers, county sheriff's deputies, constables, and federal agents when they are acting within their official capacities. This collective grouping reflects the collaborative nature of law enforcement in maintaining public safety across different jurisdictions and levels of government.

By recognizing that all these categories of law enforcement personnel are classified as peace officers, it underscores their shared responsibility in upholding the law and ensuring community safety. Therefore, the inclusion of all the aforementioned roles in the correct answer captures the full spectrum of peace officers in Texas.