Network+ CIDR Notation and Subnetting Practice Quiz

Reviewed by Editorial Team
The ProProfs editorial team is comprised of experienced subject matter experts. They've collectively created over 10,000 quizzes and lessons, serving over 100 million users. Our team includes in-house content moderators and subject matter experts, as well as a global network of rigorously trained contributors. All adhere to our comprehensive editorial guidelines, ensuring the delivery of high-quality content.
Learn about Our Editorial Process
| By Thames
T
Thames
Community Contributor
Quizzes Created: 8865 | Total Attempts: 106,055
| Questions: 20 | Updated: Aug 12, 2026
Please wait...
Question 1 / 21
🏆 Rank #-- ▾
0 %
0/100
Score 0/100

1. A /30 subnet is commonly used for which networking purpose?

Submit
Please wait...
About This Quiz
Network+ Cidr Notation and Subnetting Practice Quiz - Quiz

This quiz tests your understanding of CIDR notation, subnetting, IP address classes, and subnet mask calculations. Master these fundamental networking concepts essential for the Network+ exam and professional IT roles. Strengthen your ability to design efficient networks and allocate IP addresses effectively.

2.

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

You may optionally provide this to label your report, leaderboard, or certificate.

2. True or False: A /31 subnet can support two usable host addresses in modern networks (RFC 3021).

Submit

3. True or False: CIDR notation replaced classful IP addressing and allows more flexible subnet sizes.

Submit

4. True or False: The broadcast address can be assigned to a host device.

Submit

5. A /32 subnet mask represents a single ______ address.

Submit

6. The ______ address is the first address in a subnet and identifies the subnet itself.

Submit

7. Subnetting allows network administrators to ______ IP addresses efficiently.

Submit

8. What is the first usable host address in the 172.16.0.0/22 subnet?

Submit

9. How many host bits are used in a /18 subnet?

Submit

10. Convert 255.255.240.0 to CIDR notation.

Submit

11. What does CIDR stand for?

Submit

12. What is the network address for 10.50.25.130/25?

Submit

13. In CIDR notation, what does the number after the slash represent?

Submit

14. How many subnets can you create from a /16 network using /24 subnets?

Submit

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

Submit

16. Which IP address class is reserved for private use (RFC 1918)?

Submit

17. In the IP address 192.168.1.0/24, what is the broadcast address?

Submit

18. What is the subnet mask for the CIDR notation /22?

Submit

19. How many usable host addresses are available in a /28 subnet?

Submit

20. Convert the subnet mask 255.255.255.0 to CIDR notation.

Submit
×
Saved
Thank you for your feedback!
View My Results
Cancel
  • All
    All (20)
  • Unanswered
    Unanswered ()
  • Answered
    Answered ()
A /30 subnet is commonly used for which networking purpose?
True or False: A /31 subnet can support two usable host addresses in...
True or False: CIDR notation replaced classful IP addressing and...
True or False: The broadcast address can be assigned to a host device.
A /32 subnet mask represents a single ______ address.
The ______ address is the first address in a subnet and identifies the...
Subnetting allows network administrators to ______ IP addresses...
What is the first usable host address in the 172.16.0.0/22 subnet?
How many host bits are used in a /18 subnet?
Convert 255.255.240.0 to CIDR notation.
What does CIDR stand for?
What is the network address for 10.50.25.130/25?
In CIDR notation, what does the number after the slash represent?
How many subnets can you create from a /16 network using /24 subnets?
What is the default subnet mask for a Class B address?
Which IP address class is reserved for private use (RFC 1918)?
In the IP address 192.168.1.0/24, what is the broadcast address?
What is the subnet mask for the CIDR notation /22?
How many usable host addresses are available in a /28 subnet?
Convert the subnet mask 255.255.255.0 to CIDR notation.
play-Mute sad happy unanswered_answer up-hover down-hover success oval cancel Check box square blue
Alert!