Question
. Write short notes on the primary function and working mechanism of the following application layer protocols:
a) DNS (Domain Name System): Explain how it resolves a domain name into an IP address.
b) FTP (File Transfer Protocol): Explain the purpose of its two connections (control and data).
c) SMTP (Simple Mail Transfer Protocol): Describe its role in sending an email from a client to a server.
Answer :
Word Count : 285
DNS (Domain Name System) is an application layer protocol whose primary function is to translate human-readable domain names into IP addresses that computers use to identify each other on the network. When a user enters a domain name in a web browser, the DNS client sends a query to a DNS server. The server checks its database ______ __________ ______ ________ _______ _________ _________ _____.
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DNS (Domain Name System) is an application layer protocol whose primary function is to translate human-readable domain names into IP addresses that computers use to identify each other on the network. When a user enters a domain name in a web browser, the DNS client sends a query to a DNS server. The server checks its database ______ __________ ______ ________ _______ _________ _________ _____.
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