A+ TCP/IP Addressing and Subnetting Basics Quiz

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Quizzes Created: 8865 | Total Attempts: 106,055
| Questions: 20 | Updated: Aug 12, 2026
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1. Which address class uses the first three octets for the network portion?

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About This Quiz
A+ TCP/IP Addressing and Subnetting Basics Quiz - Quiz

This quiz evaluates your understanding of TCP\/IP addressing, subnetting, and network fundamentals essential for CompTIA A+ certification. You'll test knowledge of IPv4 and IPv6 addressing schemes, subnet masks, CIDR notation, and practical network configuration. Master these concepts to succeed in networking roles and advance your IT career.

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

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3. In a /30 subnet, how many usable host addresses are available?

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4. What is the purpose of a subnet mask in IPv4 networking?

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5. How many bits are in the host portion of a /28 subnet?

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6. What is the network address for 192.168.10.130/25?

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7. Which subnet mask provides the most host addresses?

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8. What does APIPA stand for in network configuration?

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9. In IPv6, how many bits make up the address?

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10. What is the loopback address range in IPv4?

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11. What is the default subnet mask for a Class C IPv4 address?

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12. How many subnets can be created from a /22 network?

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13. Convert the subnet mask 255.255.252.0 to CIDR notation.

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14. What is the purpose of the gateway address in a network configuration?

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15. Which of the following is a valid IPv6 address format?

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16. What does the broadcast address represent in a subnet?

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17. How many host addresses are available in a /25 subnet?

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18. What is the first usable host address in the subnet 192.168.1.0/24?

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19. Which IPv4 address range is reserved for private networks?

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

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Which address class uses the first three octets for the network...
Which IPv6 address type is used for communication within a single...
In a /30 subnet, how many usable host addresses are available?
What is the purpose of a subnet mask in IPv4 networking?
How many bits are in the host portion of a /28 subnet?
What is the network address for 192.168.10.130/25?
Which subnet mask provides the most host addresses?
What does APIPA stand for in network configuration?
In IPv6, how many bits make up the address?
What is the loopback address range in IPv4?
What is the default subnet mask for a Class C IPv4 address?
How many subnets can be created from a /22 network?
Convert the subnet mask 255.255.252.0 to CIDR notation.
What is the purpose of the gateway address in a network configuration?
Which of the following is a valid IPv6 address format?
What does the broadcast address represent in a subnet?
How many host addresses are available in a /25 subnet?
What is the first usable host address in the subnet 192.168.1.0/24?
Which IPv4 address range is reserved for private networks?
In CIDR notation, what does /24 represent?
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