(There are a total of eight sets of topics for the online competition, and these are the last four sets. Fully answered. There is a command document inside, to achieve the requirements of the title, that is, some configuration names are inconsistent. If you are interested in networking, you can read it to understand the basics of networking and the general situation of network operation.
This document includes the following attachments:
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Net Academy Competition---pka Simulation 2....)