Which type of appliance can host several functions, such as antimalware, firewall, content filter, and proxy server

utm

Explanation:

UnifiedThreat Management (UTM): A security appliance and/or software tool

which contains a combination of any of the following: antivirus/antimalware, firewall,

proxy server, content filtering, spam filtering, intrusion detection system, intrusion

prevention system, and network access control. The more robust the tool, the

higher the number of features available.

system programmer option d is correct

because an operating system is software that manages computer hardware and system resources.

answerdestination end device address;