FUNDAMENTALS OF COMPUTER

WEB BROWSERS TECHNOLOGY

THE INTERNET

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
According to the domain name system (DNS), which of the following is a subdomain of the domain example.com?
A
about.example.com
B
example.com/about.html
C
xample.com.about
D
example.org
Explanation: 

Detailed explanation-1: -Expert-Verified Answer. As per the domain name system, the subdomain of the domain example.com is about.example.com. The following information related to the domain name system is: It is the database that named where the domain names of the internet should be located & transform into IP addresses.

Detailed explanation-2: -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-3: -For instance, the domain name example.com might translate to the physical address 198.102. 434.8. Other examples of domain names are google.com and wikipedia.org. Using a domain name to identify a location on the Internet rather than the numeric IP address makes it much easier to remember and type web addresses.

Detailed explanation-4: -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.

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