Question: DNS names have a hierarchical structure, such as sales.general-widget.com. or cs.uni.edu One way to maintain the DNS database would be as one centralized database, but

DNS names have a hierarchical structure, such as sales.general-widget.com. or cs.uni.edu One way to maintain the DNS database would be as one centralized database, but that is not done because it would get too many requests/sec. Propose a way that the DNS database could be maintained in practice.

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