1gt dns is a commonly used service in the internet explain


1> DNS is a commonly used service in the Internet. Explain the roles of the local name servers, the authoritative name servers, and the root name servers.

2>Show, using PowerPoint animation, encapsulation and decapsulation provided by four adjacent layers (application, transport, network, physical) of two communicating entities. 

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Basic Computer Science: 1gt dns is a commonly used service in the internet explain
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