An engineer needs to find a solution that creates an added layer of security by preventing unauthorized access to internal company resources. Which of the following would be the best solution?

A jump server (also known as a jump box or bastion host) is a hardened, dedicated server used to access and manage devices in a separate security zone, such as an internal network. It acts as an intermediary, requiring users to authenticate to the jump server before they can connect to other internal resources. This creates an added layer of security by limiting direct access to sensitive systems and providing a central point for auditing and control. An RDP server is a remote desktop protocol server, which allows remote access but doesn't inherently add a security layer for internal resources; it's a protocol for connection. A proxy server acts as an intermediary for requests from clients seeking resources from other servers, primarily for web traffic or anonymity, not for securing internal resource access in this manner. A hypervisor is a software layer that creates and runs virtual machines, which is unrelated to this security requirement.