Domain Name System Vs Domain Name Server
In this section of data communication and networking domain name system mcq multiple choice based questions and answers it cover the below lists of topics all the multiple choice questions and answers mcqs have been compiled from the book of data communication and networking by the well known author behrouz forouzan.
Domain name system vs domain name server. Every time you type a web address send a mail or access just any ip application you use dns. A name server lookup retrieves the ip address associated with a domain name. The main difference between domain and dns is that the domain is a piece of string that helps to identify a particular website while the dns domain name system is a server that translates the domain to the corresponding ip address to provide the required webpage.
Name server is a server that runs dns software and manages all the domain name records. In a nutshell dns is a hierarchical distributed database for translating domain names into their corresponding ip addresses. Short for domain name system dns is an internet service that translates domain names to ip addresses domain names are alphabetic and therefore easy to remember but the internet is based on numeric ip addresses so a dns server is required for computers to communicate with one another.
Functions of domain name system to bridge the communication gap between computer humans the network engineers develop dns. Summary of name server vs. Whereas a nameserver provides the specific ip address of particular services associated with that domain name.
The internet maintains two principal namespaces the domain name hierarchy and the internet protocol ip address spaces. So if the dns server is unable to find any ip associated with the domain name sent in the query it ll ask the other connected servers to resolve the ip address for the requested domain. The domain name system maintains the domain name hierarchy and provides translation services between it and the address spaces.
A domain name lookup also referred to as whois retrieves the domain s registration data the domain owner s details. A dns is the directory of the internet where it searches for the ip address associated with the specific domain name to deliver various web based services. Superuser contributor davidpostill has the answer for us.