IP Addressing (Network+) Quiz: IPv4 vs IPv6

1. What is the default subnet mask for a Class B IPv4 address?

255.0.0.0

255.255.0.0

255.255.255.0

255.255.255.255

2. Which IPv4 address range is reserved for loopback and internal testing?

10.0.0.0–10.255.255.255

127.0.0.0–127.255.255.255

169.254.0.0–169.254.255.255

224.0.0.0–239.255.255.255

3. In IPv6, the first 64 bits typically represent what part of the address?

Host identifier

Network prefix

Subnet mask

Router address

4. Which private IPv4 address range is designated for Class A networks?

10.0.0.0/8

172.16.0.0/12

192.168.0.0/16

127.0.0.0/8

5. What is the range of values for the first octet in a Class C IPv4 address?

0–127

128–191

192–223

224–255

6. IPv4 addresses are typically written in what notation?

Hexadecimal

Binary

Dotted decimal

Octal

7. What is the purpose of subnetting in IPv4 networks?

Increase the total number of available addresses

Divide a network into smaller, manageable segments

Reduce router processing time

Eliminate the need for gateways

8. In CIDR notation, what does /24 represent?

24 host addresses

24 bits for the network portion

24 subnets

24 routers

9. Which IPv6 address type is used for communication within a single link?

Global unicast

Link-local

Multicast

Anycast

10. Which of the following is a valid IPv6 loopback address?

::1

127.0.0.1

Fe80::1

::ffff:127.0.0.1

Submit

12. Which mechanism allows IPv4 packets to be transmitted over IPv6 networks?

NAT

Dual-stack

Tunneling

Translation

13. A /28 subnet mask provides how many usable host addresses per subnet?

6

8

14

16

Submit

15. How many bits are in an IPv6 address?

32 bits

64 bits

128 bits

256 bits

16. The broadcast address in a /25 subnet contains how many host bits set to 1?

6

7

8

25

17. What is the maximum number of subnets created from a Class B address using a /22 mask?

4

16

64

256

18. Which IPv4 address class is reserved for multicast traffic?

Class A

Class B

Class D

Class E

19. The IPv4 address 169.254.x.x is reserved for which purpose?

Private networks

Loopback testing

Link-local addressing

Broadcast traffic

Submit

IP Addressing Quiz: IPv4 vs IPv6 Mastery

1. What is the default subnet mask for a Class B IPv4 address?

2.

What first name or nickname would you like us to use?

2. Which IPv4 address range is reserved for loopback and internal testing?

3. In IPv6, the first 64 bits typically represent what part of the address?

4. Which private IPv4 address range is designated for Class A networks?

5. What is the range of values for the first octet in a Class C IPv4 address?

6. IPv4 addresses are typically written in what notation?

7. What is the purpose of subnetting in IPv4 networks?

8. In CIDR notation, what does /24 represent?

9. Which IPv6 address type is used for communication within a single link?

10. Which of the following is a valid IPv6 loopback address?

11. IPv6 uses ____ -bit addresses to provide a vastly larger address space than IPv4.

12. Which mechanism allows IPv4 packets to be transmitted over IPv6 networks?

13. A /28 subnet mask provides how many usable host addresses per subnet?

14. IPv6 addresses are typically written using ____ notation with colons separating groups.

15. How many bits are in an IPv6 address?

16. The broadcast address in a /25 subnet contains how many host bits set to 1?

17. What is the maximum number of subnets created from a Class B address using a /22 mask?

18. Which IPv4 address class is reserved for multicast traffic?

19. The IPv4 address 169.254.x.x is reserved for which purpose?

20. IPv6 addresses beginning with ff00::/8 are reserved for ____ communication.