1-10 EXAMINING IPv4 Address Classes

Question 1

What are the address ranges of Class A in IPv4?

Answer 1

1.0.0.0 to 126.0.0.0 (1.0.0.0/8 to 126.0.0.0/8)

Class A supports a vast number of hosts.

Question 2

What are the address ranges of Class B in IPv4?

Answer 2

128.0.0.0 to 191.255.0.0 (128.0.0.0/16 to 191.255.0.0/16)

Class B is used for medium-sized networks.

Question 3

What are the address ranges of Class C in IPv4?

Answer 3

192.0.0.0 to 223.255.255.0 (192.0.0.0/24 to 223.255.255.0/24)

Class C is typically used for small businesses.

Question 4

What are the address ranges of Class D in IPv4?

Answer 4

224.0.0.0 to 239.255.255.255

Class D is used for multicast groups.

Question 5

What are the address ranges of Class E in IPv4?

Answer 5

240.0.0.0 to 255.255.255.255

Class E is reserved for experimental purposes.

Question 6

How many networks and hosts can Class A support?

Answer 6

128 networks with approximately 16 million hosts each

Class A is suitable for large organizations.

Question 7

How many networks and hosts can Class B support?

Answer 7

16,384 networks with 65,534 hosts each

Typically used by universities and regional services.

Question 8

How many networks and hosts can Class C support?

Answer 8

Over 2 million networks with up to 254 hosts each

Commonly used in local area networks.

Question 9

How many networks and hosts can Class D support?

Answer 9

Not used for standard host addresses (multicast)

Class D is specifically for multicast groups.

Question 10

How many networks and hosts can Class E support?

Answer 10

Reserved for experimental; not for general use

Class E is not typically used in practice.

Question 11

What are common uses for Class A IPv4 addresses?

Answer 11

Large organizations or networks requiring a vast number of IP addresses

Examples include major global enterprises.

Question 12

What are common uses for Class B IPv4 addresses?

Answer 12

Medium-sized networks such as universities or regional services

Commonly utilized by larger corporations.

Question 13

What are common uses for Class C IPv4 addresses?

Answer 13

Small businesses and local area networks (LANs)

Typical examples include office networks.

Question 14

What are common uses for Class D IPv4 addresses?

Answer 14

Multicast groups

Used for streaming services and multi-user games.

Question 15

What are common uses for Class E IPv4 addresses?

Answer 15

Experimental purposes

Includes network protocol testing and future use experimentation.

Question 16

Fill in the blank: Class A is typically used by _______.

Answer 16

major global enterprises , Internet service providers

Class A supports a large number of hosts.

Question 17

Fill in the blank: Class B is typically used by _______.

Answer 17

educational institutions, larger corporations

Class B supports medium-sized networks.

Question 18

Fill in the blank: Class C is typically used by _______.

Answer 18

small companies, office networks

Class C supports small networks.

Question 19

Fill in the blank: Class D is used for _______.

Answer 19

Streaming services and multi user games

Used for streaming and gaming.

Question 20

Fill in the blank: Class E is reserved for _______.

Answer 20

Network protocol, testing, and future experimentation

Not for general use.