COMPUTER NETWORKS AND COMMUNICATIONS
INTERNET AND WEB TECHNOLOGIES
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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IP addresses.
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domain names.
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servers.
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caches.
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Detailed explanation-1: -DNS, or the Domain Name System, translates human readable domain names (for example, www.amazon.com) to machine readable IP addresses (for example, 192.0.2.44).
Detailed explanation-2: -DNS also provides IP address-to-host name mapping. The DNS defines a special domain called in-addr.arpa to translate IPv4 addresses to host names, and the ip6.int and ip6.arpa domains for IPv6 address-to-host name translation. This kind of mapping is useful for producing output (host names) that is easy to read.
Detailed explanation-3: -The Domain Name System (DNS) maps human-readable domain names (in URLs or in email address) to IP addresses.
Detailed explanation-4: -The most common DNS record types are: Address Mapping record (A Record)-also known as a DNS host record, stores a hostname and its corresponding IPv4 address. IP Version 6 Address record (AAAA Record)-stores a hostname and its corresponding IPv6 address.