Question: What is the main reason NAT is used in home networks?

Options:

1. To improve internet speed
2. To allow multiple devices to access the internet using one IP address
3. To provide a direct connection to the internet
4. To enable wireless connectivity

Correct Answer: To allow multiple devices to access the internet using one IP address

Solution:

NAT is primarily used in home networks to allow multiple devices to access the internet using one public IP address, conserving IP address space.