IP Addressing and CIDR Essentials

What is an IP address?

• A type of software used to manage networks.

• A physical device that connects to the internet.

• An IP address is a unique numerical label assigned to each device on a network.

• A protocol for sending emails.

What is the purpose of CIDR notation?

• To assign static IP addresses to devices.

• To define the maximum number of devices on a network.

• The purpose of CIDR notation is to represent IP addresses and their subnet masks efficiently.

• To encrypt IP addresses for security purposes.

What are the main classes of IP addresses?

• Class F

• Class A, Class B, Class C, Class D, Class E

• Class G

• Class H

Which IP address class is used for large networks?

• Class C

• Class B

• Class A

• Class D

What is the range of a Class C IP address?

• 128.0.0.0 to 191.255.255.255

• 172.16.0.0 to 172.31.255.255

• 192.0.0.0 to 223.255.255.255

• 10.0.0.0 to 10.255.255.255

What is the difference between a public and a private IP address?

• Public IP addresses are used for local networks, while private IP addresses are accessible over the internet.

• Public IP addresses are always static, while private IP addresses are always dynamic.

• Public IP addresses are accessible over the internet, while private IP addresses are used within local networks and are not accessible from the internet.

• Private IP addresses can be accessed from anywhere on the internet, while public IP addresses are restricted to local use.

Which of the following is a private IP address: 192.168.1.1 or 8.8.8.8?

• 192.168.1.1

• 255.255.255.255

• 10.0.0.1

• 172.16.0.1

What is the CIDR notation for a subnet mask of 255.255.255.0?

• /8

• /32

• /24

• /16

How many usable IP addresses are in a /24 subnet?

• 128

• 254

• 256

• 512

Which class of IP addresses is reserved for multicast?

• Class A

• Class B

• Class C

• Class D