What are three advantages of using private IP addresses and NAT? (Choose three.)

Three advantages of using private IP addresses and Network Address Translation (NAT) are:

1. Permits LAN expansion without additional public IP addresses: By using private IP address ranges within a LAN, organizations can create large networks without the need for a unique public IP address for each device.
2. Conserves registered public IP addresses: NAT allows multiple devices on a private network to share a single public IP address when accessing the Internet, which helps in conserving the limited number of available public IP addresses.
3. Hides private LAN addressing from outside devices that are connected to the Internet: NAT provides a level of security by masking the internal IP addresses of a network from the external Internet, effectively hiding the structure of the internal network.

The other options provided are not direct advantages of using private IP addresses and NAT:

• Improves the performance of the router that is connected to the Internet: NAT does not inherently improve the performance of a router. In fact, the translation process can add a small amount of processing overhead.
• Reduces CPU usage on customer routers: NAT can actually increase the CPU usage on a router because it has to translate between private and public IP addresses for packets passing through the device.
• Creates multiple public IP addresses: NAT does not create multiple public IP addresses; it allows multiple private IP addresses to be mapped to one or a few public IP addresses.