A small business is setting up its internal network and wants to ensure that all internal devices can communicate with each other and the Internet while keeping costs low. They have a single public IP address provided by their ISP.

Which of the following setups would BEST meet their needs?

###answer###

Use a private IP address range for all devices and a router with NAT.

Assign a public IP address to each device.

Assign a private IP address to each device without any additional configuration.

Use a public IP address range for all devices without a router.