World of Computer Networking Your CCNA start - Range of Private Internet Protocol (IP) Addresses

The video tutorial explains the concept of network prefixes and masks, focusing on private IP address ranges. It covers the three classes of private IP addresses: Class A, B, and C, detailing their specific ranges and default network masks. The tutorial emphasizes the non-routable nature of private IPs and their reuse in local networks. It concludes with a brief introduction to public IP addresses.

What are the two main components of a network?

• IP address and subnet

• Network prefix and network mask

• Router and switch

• Gateway and firewall

Which class of private IP addresses has only one network?

• Class A

• Class C

• Class D

• Class B

What is the default network mask for a Class B private IP address?

• /8

• /16

• /24

• /32

Which range of IP addresses is most commonly used for private Class C networks?

• 10.0.0.0 - 10.255.255.255

• 192.168.0.0 - 192.168.255.255

• 224.0.0.0 - 239.255.255.255

• 172.16.0.0 - 172.31.255.255

What is a key characteristic of private IP addresses?

• They are routable on the global Internet

• They require permission to use

• They are non-routable and reusable

• They are only used in public networks