Final answer:
A Network Administrator is the IT role specializing in configuring communication hardware like cabling, routers, and wireless adapters.
Step-by-step explanation:
The IT job that specializes in configuring communication hardware such as cabling, routers, and wireless adapters is A) Network Administrator. Network Administrators are responsible for the day-to-day operations of networks, ensuring that the infrastructure is reliable and meets the organization's needs. This includes setting up network hardware, managing IP addresses and networking protocols, monitoring network activity, and troubleshooting any issues that arise within the network's hardware components.