Question

You have a business network connected to the Internet as shown in the Exhibit. You have configured NAT on RouterC. Which of the following addressing schemes could you use on each subnet on the private network?

Answer 1

In a business network with NAT, private addressing can be implemented using the ranges 10.0.0.0 to 10.255.255.255, 172.16.0.0 to 172.31.255.255, and 192.168.0.0 to 192.168.255.255, all of which are reserved for private networks and not routable on the public Internet.

Step-by-step explanation:

Private Network Addressing with NAT

The question primarily concerns the configuration of private IP addresses in a business network setup, particularly with subnets behind a router doing NAT (Network Address Translation). When using NAT, the private network can utilize any range of addresses from the private IP address spaces, which are defined by the RFC 1918 standard. These ranges are 10.0.0.0 to 10.255.255.255, 172.16.0.0 to 172.31.255.255, and 192.168.0.0 to 192.168.255.255. These addresses are not routable on the public internet and are used to conserve public IP addresses. The router with NAT will translate these private addresses to a public IP address when accessing the internet. It's essential to ensure that the addressing scheme within the network doesn't conflict and that each subnet is properly configured with a unique range to avoid any internal routing issues.