True or False? 1. Servers that host part of the Domain Name System are called do
ID: 3786953 • Letter: T
Question
True or False?
1. Servers that host part of the Domain Name System are called domain name servers, or DNS servers
2. Some sites on the Internet have the same IP address
3. The worldwide database of domain names and corresponding IP addresses is called the Domain Name System
4. Sites that let you can access your email account from public computers like the ones in the Internet are called file-sharing sites
5. File-sharing sites like YouTube and Flickr let you post and share photos, music, and other media
6. The .mobi TLD is used by sites that are optimized for mobile devices. True or False?
Explanation / Answer
1.
Answer is True.
Domain Name Serves basically hosts the variable number of servers on a paritcular domain. It maintains a database of domains and it's public IP addresses. Let's say, we have chegg.com, it's DNS is chegg.com itself, when we are accessing it, the requests goes to DNS server then, it will look up in the corresponding DNS for the public IP and from there it will go to that IP.
2.
Answer is False.
Two devices or computers in the Internet like LAN or WAN can have same IP addresses because they can use NAT for address translation or use Subnetting. But two sites in the internet can't have same IP addresses. consider an example, there are two online shopping websites amazon and flipkart using same IP addresses it will create very dangerous problem.
3.
Answer is True.
As explained in the question1, there will be a database of domain names and their corresponding IP address, we call them as DNS.
4.
Answer is False.
of course, you can send files, but file sharing is something you share publicly. Unlike youtube we cannot get a link of a file from email that will be available to everyone.
5.
Answer is True.
You can share all type of files in file sharing sites.
6.
Answer is True.
Just like .org is for organization, .gov is for government, .mobi is a domain for mobile sites.
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