Domain Name System In Application Layer

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Domain Name System In Application Layer. File Transfer ProtocolFTP Trivial File Transfer ProtocolTFTP Simple Mail Transfer ProtocolSMTP TELNET Domain Name SystemDNS etc. Distributed database implemented in hierarchy of many name servers application-layer protocol host routers name servers to communicate to resolve names addressname translation note.

What Is Dns And How It Works Domain Name System Dns Name Server Computer Science
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DNS is a host name to IP address translation service. DNSDomain Name System resolver supports name resolution for other network applications and services that need it. The DNS server is configured with Fully Qualified Domain Names FQDN and email addresses mapped with their respective Internet Protocol addresses.

The application layer is the uppermost layer of the TCPIP protocol suite.

It uses UDP protocol for transport layer communication. Few of Application layer protocols are described below. File Transfer ProtocolFTP Trivial File Transfer ProtocolTFTP Simple Mail Transfer ProtocolSMTP TELNET Domain Name SystemDNS etc. DNS Domain Name System Protocol is related to application layer of TCPIP Suite model.