COMPUTER FUNDAMENTALS

INTRODUCTION TO COMPUTERS

COMPUTER NETWORKS AND THE INTERNET

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
How does the optical fiber cables work in network?
A
Your devices send the domain name to DNS, thanDNS send the IP address of Domain Name to Data Center, thanData Center send via the optical fiber network to the router, thanrouters send to your device
B
Your devices send the its IP address to Data Center, thanData Center send the IP address to DNS, thanDNS send the domain name to the router, thanrouters send to your device
C
Your devices send the device’s IP address to DNS, thanDNS send the IP address to the router, thanIP address send to the router, thanrouter send to your device
D
Your devices send the its IP address to Data Center, thanData Center send the IP address to DNS, thanDNS send the domain name to the router, thanrouters send to the optical fiber network
Explanation: 

Detailed explanation-1: -The domain name system works much like a phone book where users can search for a requested person and retrieve their phone number. DNS servers translate requests for specific domains into IP addresses, controlling which server users with access when they enter the domain name into their browser.

Detailed explanation-2: -An authoritative DNS server holds and maintains DNS records. It is the last server in a DNS lookup chain that responds with the queried DNS record. An authoritative DNS ultimately allows a web browser with the URL request to reach the IP address needed to access a website or other web resources.

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