Answer: (2) Internetwork
Step-by-step explanation:
According to the question, the inter-network should be configured as the inter-network is the type of network that are formed by connecting all the inter network together in which the user can easily communicate with each other.
This can be done by using the efficient technique which is known as inter-networking. It is the technique that ensure the data communication and it is operated by using different types of entities by using internet routing protocol.
Therefore, Option (2) is correct.