DEVELOPMENT FOUNDATIONS
(PNVO) with Complete Solution Newest
Version Actual Questions and Answers
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‣ What is the move towards separating document structure, presentation, and
webpage interaction called? Answer: Separation of concerns
‣ What is a packet? Answer: Information sent on the Internet
‣ What does an IP address represent? Answer: A computer's unique address on the
Internet
‣ What is the format of a typical IP address? Answer: 32 bits divided into four 8-bit
groups
‣ What is IPv4? Answer: The original Internet Protocol with 32-bit addresses
‣ What is IPv6? Answer: A new version of Internet Protocol with 128-bit addresses
‣ What does DNS stand for? Answer: Domain Name Server
‣ What are root servers? Answer: Thirteen main DNS servers in the world
‣ What is a domain name registrar? Answer: Services that allow domain name
registration
‣ What is a domain name? Answer: A name for an IP address
‣ What does TLD stand for? Answer: Top-level Domains
‣ Give examples of TLDs. Answer: .com, .net, .org, .edu, .gov
‣ What does ccTLD stand for? Answer: Country Code Top-Level Domain
, ‣ Give examples of ccTLDs. Answer: .uk (United Kingdom), .us (United States),
.ru (Russia)
‣ What does SLD stand for? Answer: Second-Level Domain
‣ What is an example of an SLD? Answer: 'wikipedia' in wikipedia.org
‣ What does TLD stand for? Answer: Third-Level Domain
‣ What is an example of a TLD? Answer: 'www' in www.stanford.edu
‣ What does URL stand for? Answer: Uniform Resource Locator
‣ What is a URL? Answer: The location of a web resource, such as
http://www.google.com
‣ What is a scheme in a URL? Answer: Characters at the beginning of a URL
followed by a colon (:) or a colon and double slashes (://)
‣ Give examples of common schemes. Answer: http, https, mailto, file
‣ What is a hostname in a URL? Answer: The complete domain name following
the scheme in a URL
‣ What is a path in a URL? Answer: The characters to the right of the hostname in
a URL
‣ What is a query string in a URL? Answer: Optional characters to the right of the
question mark (?) in a URL that provide data for the web server
‣ What is a fragment in a URL? Answer: Optional characters at the end of a URL
that with a hash character (#) and refer to a certain location within a webpage
‣ What is a 404? Answer: The status code that a web server returns to a browser
when a requested webpage is not found
‣ What is linkrot? Answer: When content is removed from the web and the URLs
that used to point to the content now return a 404 (not found) status code