Question: a. Explain why DNS (primarily) uses UDP over TCP. Under what circumstances does DNS use TCP? b. Mention the advantage(s) and disadvantage(s) of recursive

a. Explain why DNS (primarily) uses UDP over TCP. Under what circumstances does DNS use TCP? b. Mention the advantage(s) and disadvantage(s) of recursive DNS query over iterated DNS query. c. What is the difference between local name server and authoritative name server?

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