Question: Explain how caching is used in the Domain Name System ( DNS ) dur - ing an iterative query. Specify what information is cached at

Explain how caching is used in the Domain Name System (DNS) dur- ing an iterative query. Specify what information is cached at the local host, the local DNS, the root DNS, the Top Level Domain (TLD) DNS and the authoritative DNS. Be sure to include only cached information not all information stored.

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