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0 AND 0 = 0
This graph helps me reduce the number of errors I make while answering subnettting questions on exams. I typically draw it as I sit down to an exam and then use it as a reference while checking my work before submitting an answer.
Find the column with the corresponding CIDR bits as the practice question you are working on and then pay attention to how that correlates to the "Magic number" and "Subnet mask" rows.
What are the subnet and broadcast IPs for host 10.174.168.170/28?
Display The Answer
Display The Work