FUNDAMENTALS OF COMPUTER

WEB BROWSERS TECHNOLOGY

THE INTERNET

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
How does a computer resolve a domain name into an IP address?
A
It asks a DNS server for the corresponding IP address
B
It scans addresses until it finds the one it’s looking for
C
It uses a Border Gateway Protocol to get the address from a nearby computer
D
It creates an IP address for the domain, and shares it with the closest DNS
Explanation: 

Detailed explanation-1: -The basic process of a DNS resolution follows these steps: The user enters a web address or domain name into a browser. The browser sends a message, called a recursive DNS query, to the network to find out which IP or network address the domain corresponds to.

Detailed explanation-2: -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-3: -To put it simply, the easy-to-remember domain name is resolved into IP. The service is completed by the DNS server, which resolves the domain name to an IP address, and then binds a subdirectory to the domain name on the host of this IP address.

Detailed explanation-4: -Recursive query-In a recursive query, a DNS client requires that a DNS server (typically a DNS recursive resolver) will respond to the client with either the requested resource record or an error message if the resolver can’t find the record.

Detailed explanation-5: -an international coalition of government agencies. How does a computer resolve a domain name into an IP address? a . It creates an IP address for that domain name and gives it to the DNS.

There is 1 question to complete.