WGU D550 REVIEW SET 2026 SOLVED
QUESTIONS AND SOLUTIONS
◉Network Switch. Answer: Like a hub, but this will only send data
that is intended for a specific computer.
◉Router. Answer: Connects multiple networks together; can be used
to directly connect computers to a network; will relay messages to
computers with appropriate IP addresses
◉Wireless Access Point. Answer: Can be connected to hub, switch,
or router; many routers now also act as a wireless access point;
sends out a wireless signal so computers on the network can
connect without a cable
◉Circuit Switched Network. Answer: Requires that a full pathway, or
circuit, be est. before transmission can begin and maintained during
the entire transmission; like calling someone on the phone
◉Packet Switched Network. Answer: A message's pathway is only
est. as it is sent; the choice of pathway is based on availability and
amount of message traffic
,◉Workstations. Answer: Creates and maintains client network
connections to remote servers
◉Virtual Machine (VM). Answer: A software emulator program that
permits a computer user to use multiple computers and multiple
platforms without the expense of purchasing multiple computers;
allows a user to run software for different OS platform in their
computer that would not otherwise be able to run that software; this
allows multiple users on a network to access the software to support
collaboration.
◉Server. Answer: Computers that have greater hard disk storage,
faster response time and are used to respond to request from other
computers on the network
◉Client-server Network. Answer: Contains one or more servers;
client is a computer that will request information from another
computer; server is a computer that takes requests and responds
with the requested information; the software used facilitates
communication with remote servers
◉File Server. Answer: Sends files over the network at the request of
clients.
, Responds over LAN, within one location/site.
Support both application software and data files.
◉Web Server. Answer: Stores data files (web pages) and programs
(scripts).
Responds from anywhere on the Internet.
◉Database Server. Answer: Responds to queries by pulling from the
database.
Typically only to local clients.
◉Print Server. Answer: Monitors print jobs
◉Mail Server. Answer: Two email servers communicate with each
other
◉FTP Server. Answer: Like web server or file server in that requests
are for files and responses are the files; data delivered between
client and server.
QUESTIONS AND SOLUTIONS
◉Network Switch. Answer: Like a hub, but this will only send data
that is intended for a specific computer.
◉Router. Answer: Connects multiple networks together; can be used
to directly connect computers to a network; will relay messages to
computers with appropriate IP addresses
◉Wireless Access Point. Answer: Can be connected to hub, switch,
or router; many routers now also act as a wireless access point;
sends out a wireless signal so computers on the network can
connect without a cable
◉Circuit Switched Network. Answer: Requires that a full pathway, or
circuit, be est. before transmission can begin and maintained during
the entire transmission; like calling someone on the phone
◉Packet Switched Network. Answer: A message's pathway is only
est. as it is sent; the choice of pathway is based on availability and
amount of message traffic
,◉Workstations. Answer: Creates and maintains client network
connections to remote servers
◉Virtual Machine (VM). Answer: A software emulator program that
permits a computer user to use multiple computers and multiple
platforms without the expense of purchasing multiple computers;
allows a user to run software for different OS platform in their
computer that would not otherwise be able to run that software; this
allows multiple users on a network to access the software to support
collaboration.
◉Server. Answer: Computers that have greater hard disk storage,
faster response time and are used to respond to request from other
computers on the network
◉Client-server Network. Answer: Contains one or more servers;
client is a computer that will request information from another
computer; server is a computer that takes requests and responds
with the requested information; the software used facilitates
communication with remote servers
◉File Server. Answer: Sends files over the network at the request of
clients.
, Responds over LAN, within one location/site.
Support both application software and data files.
◉Web Server. Answer: Stores data files (web pages) and programs
(scripts).
Responds from anywhere on the Internet.
◉Database Server. Answer: Responds to queries by pulling from the
database.
Typically only to local clients.
◉Print Server. Answer: Monitors print jobs
◉Mail Server. Answer: Two email servers communicate with each
other
◉FTP Server. Answer: Like web server or file server in that requests
are for files and responses are the files; data delivered between
client and server.
