Final answer:
The statement is false because a public cloud offers resources to anyone including organizations, not just guest users.
Step-by-step explanation:
The statement, "In a public cloud model, only guest users can access resources," is FALSE. A public cloud is a type of cloud computing where resources like servers and storage are owned and operated by a third-party provider and delivered over the internet. These resources are available to anyone who wants to use or purchase them, which includes both guest users and organizations. The services offered may include computing power, databases, and other types of software functionalities.