Answer: Use an Ethernet cable
Explanation:
Since the person will need to build out the networking for a small local business and wants to pull home runs to each of the devices after buying a core switch, the type of cabling that will be used to connect the network is an Ethernet cable.
An Ethernet cable is known to be the commonest network cable that's used on a wired network. The cable is required to connect the wired devices together to local network which is then vital for file sharing and Internet access.
