Multiple choice technology

Which of the following is not a private ip address?

  1. 169.254.0.200

  2. 172.21.0.251

  3. 192.168.0.5

  4. 10.0.0.1
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Private IP ranges are 10.0.0.0/8, 172.16.0.0/12, and 192.168.0.0/16. The address 169.254.0.200 falls in the APIPA (169.254.0.0/16) range, which is link-local and not considered a private IP address for internal network use.

AI explanation

To answer this question, we need to understand the concept of private IP addresses.

Private IP addresses are reserved for use within private networks and are not routable on the internet. They are commonly used in home, office, or local network environments. There are three ranges of private IP addresses:

  1. 10.0.0.0 - 10.255.255.255 (10.0.0.0/8)
  2. 172.16.0.0 - 172.31.255.255 (172.16.0.0/12)
  3. 192.168.0.0 - 192.168.255.255 (192.168.0.0/16)

Now let's go through each option to determine which one is not a private IP address:

Option A) 169.254.0.200 - This option is not a private IP address. It falls within the range of Automatic Private IP Addressing (APIPA), which is used when a device cannot obtain an IP address from a DHCP server.

Option B) 172.21.0.251 - This option is a private IP address. It falls within the range of private IP addresses (172.16.0.0 to 172.31.255.255).

Option C) 192.168.0.5 - This option is a private IP address. It falls within the range of private IP addresses (192.168.0.0 to 192.168.255.255).

Option D) 10.0.0.1 - This option is a private IP address. It falls within the range of private IP addresses (10.0.0.0 to 10.255.255.255).

Therefore, the correct answer is option A) 169.254.0.200. This option is not a private IP address.

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