COMPUTER NETWORKING

WIRELESS NETWORKS AND MOBILE IP

INTRODUCTION

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which of the following best describes DNS?
A
When you type that URL into the web browser the computer will query a server to find the IP address
B
a network of servers-Some servers will run applications-Some servers will store data
C
In order to let other people see your web site, it will be placed on a web server.
D
None of the above
Explanation: 

Detailed explanation-1: -The Internet’s DNS system works much like a phone book by managing the mapping between names and numbers. DNS servers translate requests for names into IP addresses, controlling which server an end user will reach when they type a domain name into their web browser. These requests are called queries.

Detailed explanation-2: -Browser initiates TCP connection with the server. Browser sends the HTTP request to the server. Server processes request and sends back a response. Browser renders the content.

Detailed explanation-3: -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.

There is 1 question to complete.