Quiz on IP Adressing Teachers

What is the main purpose of an IP address?

• Identifies a device on a network

• Provides encryption for data transfer

• Defines the physical location of a device

• Acts as a MAC address

Which layer of the OSI model does IP addressing belong to?

• Layer 1 – Physical

• Layer 2 – Data Link

• Layer 3 – Network

• Layer 4 – Transport

What is the maximum number of octets in an IPv4 address?

• 2

• 4

• 6

• 8

Which class of IP address is reserved for multicast?

• Class A

• Class B

• Class C

• Class D

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

• 255.0.0.0

• 255.255.0.0

• 255.255.255.0

• 255.255.255.255

What is the first octet range of a Class C IP address?

• 1 - 126

• 128 - 191

• 192 - 223

• 224 - 239

What does CIDR stand for?

• Classless Inter-Domain Routing

• Computer Internet Data Routing

• Centralized IP Data Routing

• Customized Internet Data Relay

How many usable host addresses are available in a /24 subnet?

• 254

• 512

• 1024

• 4096

What is the purpose of a subnet mask?

• To identify the MAC address of a device

• To distinguish the network and host portions of an IP address

• To encrypt IP packets

• To convert IP addresses to binary

What is the binary equivalent of the decimal number 192?

• 10101010

• 11000000

• 11111111

• 00001111