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Which network allows devices to communicate without the need to access the Internet?
A. 172.9.0.0/16
B. 172.28.0.0/16
C. 192.0.0.0/8
D. 209.165.201.0/24
Correct Answer: B
Explanation/Reference:
This question-asks about the private ranges of IPv4 addresses. The private ranges of each class of IPv4 are listed below:
Class A private IP address ranges from 10.0.0.0 to 10.255.255.255 Class B private IP address ranges from 172.16.0.0 to 172.31.255.255 Class C private IP address ranges from 192.168.0.0 to 192.168.255.255
Only the network 172.28.0.0/16 belongs to the private IP address (of class B).
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The correct Answer is A. B is wrong 172.9.0.0/16 belongs to an internet routable subnet.
The correct answer is actually B. 172.28.0.0/16 is within the Private IP range of 172.16.0.0 – 172.16.31.0.0/16. Just Google IPv4 private IP address ranges if you don’t agree with the provided answer.