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How many usable IP addresses are there in a 23-bit (255.255.254.0) subnet?

Posted by: Pdfprep Category: MTCNA Tags: , , Post Date: January 27, 2021

How many usable IP addresses are there in a 23-bit (255.255.254.0) subnet?
A . 512
B . 510
C . 508
D . 254

Answer: B

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