Answer:
It is the DHCP server, or the Dynamic host configuration protocol. And it is responsible for assigning dynamic IP Addresses, It also does the configuration of database the subnet mask, default gateway, and the dns server. It is by default disabled. And we need to enable it. And hence the answer is the DHCP server, that we need to enable on the router, for ensuring that the office devices are able to access the internet.
Explanation:
The answer is self explanatory.