I'm working through the CCENT labs and I'm confused how they are assigning subnets. I've pasted the instructions and Table 1 (what I have to complete) and Table 3 (the answers) below. I understand why the lowest subnet for network 10.0.0.0/24 is 10.0.0.0 (subnet 1), but why is the lowest and next available subnet for 10.0.0.0/25 (subnet 2) assigned 10.0.1.0 and not 10.1.0.0 or 10.0.0.1? Is this a matter of preference? Could I assign these 7 subnets like: 10.0.0.0, 10.1.0.0., 10.2.0.0., etc?
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