Which of the following devices would the technician use?

C. UTM

Unified Threat Management

UTM is an information security term that refers to a single security solution, and usually a single security appliance, that provides multiple security functions at a single point on the network . A UTM appliance will usually include functions such as: antivirus, anti-spyware, anti-spam, network firewalling, intrusion detection and prevention, content filtering and leak prevention. Some units also provide services such as remote routing, network address translation (NAT), and virtual private network (VPN) support. -Kaspersky