WIRELESS NETWORKS AND MOBILE IP
INTRODUCTION
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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An internet service that is used to detect errors
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An internet service that stores data in large quantities for different companies
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An internet service that provides a messaging service for users to communicate
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An internet service that translates alphabetic names into IP addresses
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Detailed explanation-1: -The domain name system (DNS) is a naming database in which internet domain names are located and translated into Internet Protocol (IP) addresses. The domain name system maps the name people use to locate a website to the IP address that a computer uses to locate that website.
Detailed explanation-2: -The domain name system (i.e., “DNS”) is responsible for translating domain names into a specific IP address so that the initiating client can load the requested Internet resources. The domain name system works much like a phone book where users can search for a requested person and retrieve their phone number.
Detailed explanation-3: -The correct answer is “option 3". CONCEPT: DNS, which stands for Domain Name System, maps domain name into Internet Protocol (IP) address. Hence, the DNS maps the IP addresses to a hierarchy of domain names.