A+ IP Quiz: Public, Private or APIPA?

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Quizzes Created: 7097 | Total Attempts: 80,150
| Questions: 20 | Updated: Jul 2, 2026
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1. Which of the following is a public IP address?

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About This Quiz
A+ IP Quiz: Public, Private Or ApIPa? - Quiz

Test your knowledge of IP Addressing Basics (A+) with this college-level quiz covering public, private, and APIPA address ranges. Learn to identify and classify IP addresses by type, understand subnet masks, and recognize when automatic private IP addressing is assigned. Essential for CompTIA A+ certification candidates.

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2. Which organization assigns and manages public IP addresses globally?

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3. The CIDR notation /16 equals the subnet mask ____.

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4. Which IP address indicates a link-local or APIPA configuration issue?

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5. Devices on a local network using private IPs require NAT to communicate with the internet. True or false?

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6. An IP address of 10.100.50.25 belongs to the ____ private address class.

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7. The subnet mask 255.255.255.0 provides how many host addresses in a subnet?

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8. Which scenario would trigger a device to use an APIPA address?

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9. The Class A private range allows for how many usable host addresses?

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10. Private IP addresses can be used across the internet without modification. True or false?

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11. Which IP address range is reserved for private use on a local network?

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12. A computer configured with IP 192.168.1.100 is using a ____ address.

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13. APIPA addresses fall within the range of 169.254.0.0 to 169.254.255.255. True or false?

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14. Which subnet mask corresponds to a /24 CIDR notation?

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15. The private IP range 172.16.0.0/12 includes addresses up to which IP?

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16. Public IP addresses are routable on the internet. True or false?

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17. A device that fails to obtain an IP address from DHCP will typically assign itself an ____ address.

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18. Which range is NOT reserved for private IP addressing?

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19. An IP address of 169.254.45.67 indicates which type of address?

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20. What does APIPA stand for?

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Which of the following is a public IP address?
Which organization assigns and manages public IP addresses globally?
The CIDR notation /16 equals the subnet mask ____.
Which IP address indicates a link-local or APIPA configuration issue?
Devices on a local network using private IPs require NAT to...
An IP address of 10.100.50.25 belongs to the ____ private address...
The subnet mask 255.255.255.0 provides how many host addresses in a...
Which scenario would trigger a device to use an APIPA address?
The Class A private range allows for how many usable host addresses?
Private IP addresses can be used across the internet without...
Which IP address range is reserved for private use on a local network?
A computer configured with IP 192.168.1.100 is using a ____ address.
APIPA addresses fall within the range of 169.254.0.0 to...
Which subnet mask corresponds to a /24 CIDR notation?
The private IP range 172.16.0.0/12 includes addresses up to which IP?
Public IP addresses are routable on the internet. True or false?
A device that fails to obtain an IP address from DHCP will typically...
Which range is NOT reserved for private IP addressing?
An IP address of 169.254.45.67 indicates which type of address?
What does APIPA stand for?
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