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...

1> DNS is a commonly used service in the Internet. Explain the roles of thelocal name servers, the authoritative name servers, and the root name servers.2>Show, using PowerPoint animation, encapsulation and decapsulationprovided by four adjacent layers (application, transport, network, physical) of twocommunicating entities.

2014 DNS SERVERS Table of Contents Introduction:DNS stands for the domain name system. And this system helps in the distribution of the domainnames and all these names are mapped using the IP...