WIRELESS NETWORKS AND MOBILE IP
WIRELESS NETWORKS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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translate a domain name into the correct IP address
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translate an IP address into a domain name
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Gives names to websites which aren’t named
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Leaves websites alone
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Detailed explanation-1: -DNS servers translate requests for names into IP addresses, controlling which server an end user will reach when they type a domain name into their web browser. These requests are called queries.
Detailed explanation-2: -DNS resolver converts the domain name into the IP address that user needs. It returns the value to the web browser. Web browser sends request for the website to the IP address it got from DNS.
Detailed explanation-3: -DNS PTR Record The Pointer or PTR record specifies the domain name associated with a specific IP address. It’s the opposite of an A record, and it’s used in reverse DNS lookup. A reverse DNS lookup is a process that starts with the IP address and returns with the associated domain name.