EXAM / D276 WGU OA ACTUAL EXAM COMPLETE
REAL EXAM QUESTIONS AND CORRECT DETAILED
ANSWERS (CORRECT VERIFIED ANSWERS) LATEST
UPDATES |ALREADY GRADED A+
What is the move towards separating document structure, presentation, and webpage
interaction called? - ANSWERSeparation of concerns
What is a packet? - ANSWERInformation sent on the Internet
What does an IP address represent? - ANSWERA computer's unique address on the
Internet
What is the format of a typical IP address? - ANSWER32 bits divided into four 8-bit
groups
What is IPv4? - ANSWERThe original Internet Protocol with 32-bit addresses
What is IPv6? - ANSWERA new version of Internet Protocol with 128-bit addresses
What does DNS stand for? - ANSWERDomain Name Server
What are root servers? - ANSWERThirteen main DNS servers in the world
What is a domain name registrar? - ANSWERServices that allow domain name
registration
What is a domain name? - ANSWERA name for an IP address
What does TLD stand for? - ANSWERTop-level Domains
Give examples of TLDs. - ANSWER.com, .net, .org, .edu, .gov
What does ccTLD stand for? - ANSWERCountry Code Top-Level Domain
Give examples of ccTLDs. - ANSWER.uk (United Kingdom), .us (United States), .ru
(Russia)
What does SLD stand for? - ANSWERSecond-Level Domain
, What is an example of an SLD? - ANSWER'wikipedia' in wikipedia.org
What does TLD stand for? - ANSWERThird-Level Domain
What is an example of a TLD? - ANSWER'www' in www.stanford.edu
What does URL stand for? - ANSWERUniform Resource Locator
What is a URL? - ANSWERThe location of a web resource, such as
http://www.google.com
What is a scheme in a URL? - ANSWERCharacters at the beginning of a URL followed
by a colon (:) or a colon and double slashes (://)
Give examples of common schemes. - ANSWERhttp, https, mailto, file
What is a hostname in a URL? - ANSWERThe complete domain name following the
scheme in a URL
What is a path in a URL? - ANSWERThe characters to the right of the hostname in a
URL
What is a query string in a URL? - ANSWEROptional 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? - ANSWEROptional 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? - ANSWERThe status code that a web server returns to a browser when
a requested webpage is not found
What is linkrot? - ANSWERWhen content is removed from the web and the URLs that
used to point to the content now return a 404 (not found) status code
What does TCP/IP stand for? - ANSWERTransmission Control Protocol / Internet
Protocol
What is TCP/IP? - ANSWERA protocol suite that governs how data packets are
transferred over the Internet from one machine to another
What is an HTTP request? - ANSWERA message sent from the web browser to the web
server
What is an HTTP response? - ANSWERA message sent from the web server back to
the web browser in response to an HTTP request