WGU D684 PRACTICE EXAM Q AND A STUDY SHEET 2026

WGU D684 PRACTICE EXAM Q AND A
STUDY SHEET 2026

◉ hostname.
Answer: a unique name assigned to a device on a network and used
to identify it


◉ ICANN.
Answer: an organization that manages the assignment of domain
names and IP addresses on the internet


◉ internet backbone.
Answer: the main infrastructure of the internet, consisting of high-
speed data transmission lines and major networks


◉ internet protocol (IP).
Answer: a set of rules governing the format of data sent over the
internet or other networks


◉ internet service provider (ISP).
Answer: a company that provides individuals and organizations
access to the internet

, ◉ interoperability.
Answer: the ability of different systems, devices, or software to work
together and exchange information seamlessly


◉ IP address.
Answer: a unique numerical identifier assigned to each device
connected to a network, enabling it to communicate with other
devices


◉ latency.
Answer: the delay before data begins to transfer after an instruction
for its transfer is given, often measured in milliseconds


◉ local-area network (LAN).
Answer: a network that connects computers and devices within a
limited area, such as a home, school, or office building


◉ metropolitan-area network (MAN).
Answer: a network that spans a larger geographic area than a LAN,
typically a city or a large campus


◉ MIME type.