If "F.rar" is a filename you encountered, it refers to a file.
In the context of federal cybersecurity compliance, a is a critical document used by Cloud Service Providers (CSPs) seeking authorization.
: The Random Access Response is a message sent by the network to a user device (UE) in response to a preamble transmission.
: It provides a summary of a CSP’s ability to meet FedRAMP security requirements.