Answer:
A. Static IP address have been configured.
Step-by-step explanation:
A network is an interconnection of network devices for communication to occur. A network comprises of end devices and intermediate network devices.
End devices are the sources and destinations of data transmission, while intermediate devices are the devices that makes communication of data possible like routers and switches. Examples of end devices are servers and workstations (computers, smartphones etc.).
A server in a network is a device that provides special services to workstations or clients. The IP addresses of servers must be known, that is, a static IP address must be configured on a server. Examples of server protocols are DNS, TFTP, FTP, DHCP etc.