While I am no stranger to network admin, I will admit the networks I deal with most are much smaller than what a lot of people deal with. That said, the need for diagrams has never been critcial, but that does not mean someone should not have them, so for a person who has little to no experience creating them, what would be best to start with? Obvously ease of use or at least ease of figuring out would be most important for starting out, but also the ability to get everything needed. Fortuantly, the "everything needed" would be very basic items as they are not very complex.
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