WGU D276 (Latest 2023/ 2024 Update) Web Development Foundations Exam Guide| Questions and Verified Answers| 100% Correct

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

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

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:

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: