WGU D276 (Latest 2023\/ 2024 Update) Web Development Foundations Exam Guide| Questions and Verified Answers| 100% Correct<\/p>\n\n\n\n
WGU D276 (Latest 2023\/ 2024 Update) Web
Development Foundations Exam Guide|
Questions and Verified Answers| 100%
Correct
Q: what year was the idea for generating links from within one document to other documents
Answer:
1945; Vannevar Bush described the memory extension device, Memex, a system for building
and following links between documents.
Q: what year was the term HyperText invented
Answer:
1965; Ted Nelson introduced the term HyperText in a paper on how to deal with information that
was complex, changing, and uncertain.
Q: year first web browser is created
Answer:
1990; Tim Berners-Lee created and demonstrated a browser that works over internet
Q: HTML defines
Answer:
the structure and content of a webpage
Q: CSS specifies<\/p>\n\n\n\n
Answer:
the layout and visible appearance
Q: JavaScript describes
Answer:
the dynamic behaviors and actions of a webpage
Q: packet
Answer:
A computer communicates with another computer on the Internet by sending packets back and
forth.
-contains To and From IP addresses, the information to communicate, and other configuration
information.
Q: IP address
Answer:
computer’s unique address on the Internet (like a house’s unique address in the world)
-usually represented numerically like 198.51.100.7.
-A typical IP address is 32 bits, divided into four 8-bit groups, each group often written as a
decimal number.
Q: Each number in an IP address represents
Answer:
8 bits of the address for a total of 32 bits<\/p>\n\n\n\n
Q: smallest and largest number in an IP address
Answer:
0 and 255
Q: IPv4
Answer:
original internet protocol, 32-bit addresses. 4 billion unique addresses which is no longer enough
Q: IPv6
Answer:
A new version of the Internet Protocol; uses 128-bit addresses; 3.4 x 10^38 addresses
Q: domain name
Answer:
name for an IP address; easier to remember and type
Q: DNS server
Answer:
converts the domain name to an IP address – 13 servers worldwide
Q: root servers
Answer:<\/p>\n\n\n\n
DNS servers that keep a database of addresses of other DNS servers managing top-level domain
names.
Q: domain name registrar
Answer:
a company authorized to reserve domain names; charge yearly fee.
Q: top-level domains (TLD)
Answer:
.com, .net, .org, .edu, .gov
Q: Country-code top-level domain (ccTLD)
Answer:
Abbreviation that identifies each nation of the world used as part of a website’s URL.
-.uk (United Kingdom), .ru (Russia), and .de (Germany)
Q: ICANN
Answer:
-the organization that manages TLDs
-now allows companies and organizations to create customized TLDs, like .church, .pizza, and
.music.
Q: second-level domain
Answer:
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