FUNDAMENTALS OF COMPUTER

TELECOMMUNICATIONS SYSTEMS

COMMUNICATION WIRELESS COMPUTING DEVICES

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which of these is a correct definition of DNS? (6-9)
A
An internet service that is used to detect errors
B
An internet service that stores data in large quantities for different companies
C
An internet service that provides a messaging service for users to communicate
D
An internet service that translates alphabetic names into IP addresses
Explanation: 

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.

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: -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.

Detailed explanation-4: -DNS translates domain names to IP addresses so browsers can load Internet resources. Each device connected to the Internet has a unique IP address which other machines use to find the device.

Detailed explanation-5: -The correct answer is the Domain Name System(DNS).

There is 1 question to complete.