8. What is a networking stack?
- Radios and antennas that connect to wireless networks.
- A set of hardware or software that provides networking infrastructure for a computer.
- A tool that connects lots of different devices together and helps route network traffic.
- Cables containing glass fibers that move data through light.
11. You want to register the domain name ABCcompany.org, but the registration service is not allowing you to do that. What's the most likely reason for this?
14. Which problem does IPv6 (Internet Protocol version 6) help to solve?
- Internet Protocol versions prior to version 6 haven’t achieved widespread use.
- There are less than 4.3 billion IPv4 addresses, which has already been exceeded with existing websites.
- IPv5 is an outdated protocol version with insufficient security safeguards.
- Companies waste hundreds of public IP addresses. With IPv6, they can use just one IP address.