MCQ IN COMPUTER SCIENCE & ENGINEERING

COMPUTER SCIENCE AND ENGINEERING

COMPUTER NETWORKING

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
DNS maps human, readable domain names into actual ____
A
IP addresses.
B
domain names.
C
servers.
D
caches.
Explanation: 

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: -How DNS works. DNS servers convert URLs and domain names into IP addresses that computers can understand and use. They translate what a user types into a browser into something the machine can use to find a webpage. This process of translation and lookup is called DNS resolution.

Detailed explanation-3: -DNS keeps the record of all domain names and the associated IP addresses. When you type in a URL in your browser, DNS resolves the domain name into an IP address. In other words, DNS is a service that maps domain names to corresponding IP addresses.

Detailed explanation-4: -Record A: Address Mapping record The A-record is the most basic and the most commonly used DNS record type. It is also known as a DNS host record, stores a hostname and its corresponding IPv4 address. It is used to translate human friendly domain names such as www.example.com into IP-addresses such as 93.184.

Detailed explanation-5: -The inverse domain is used for mapping an address to a name.

There is 1 question to complete.