Basics of Web Design: Html5 & Css3
4th Edition
ISBN: 9780134444338
Author: Terry Felke-Morris
Publisher: PEARSON
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Expert Solution & Answer
Chapter 1, Problem 1RQ
Program Description Answer
In “mozilla.com”, “.com” is considered as the top-level domain, where as “Mozilla” is considered as the second-level domain name.
Hence, the correct answer is option “B”.
Expert Solution & Answer
Explanation of Solution
URL:
- • URL is known as Uniform Resource Locator; it is also a type of Uniform Resource Indicator, because, it represents the network location of resources like web pages, graphic files, mp3 files, and so on.
- • URL contains:
- ○ A protocol
- ○ Web server name
- ○ Domain name
- ○ Location of the file
Example: “http://www.mozilla.com”
Here,
- • http – HTTP protocol
- • www – Web server name or host
- • mozilla.com – domain name
In “mozilla.com”: “.com” is considered as the top-level domain, because in the domain name “.com” is the right most part and “Mozilla” is considered as the second-level domain name.
Explanation for wrong answers:
“http”:
“http” is considered as the protocol and it is not a domain name.
Hence, the option “A” is wrong.
“mozilla”:
In “mozilla.com”: “.com” is considered as the top level domain whereas “Mozilla” is considered as the second-level domain name.
Hence, the option “C” is wrong.
“WWW”:
“www” is considered as a web server name or host and it is not a domain name.
Hence, the option “D” is wrong.
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