WGU D753 PA & OA CERTIFICATION
STUDY GUIDE 2026 COMPLETE QUESTIONS
AND SOLUTIONS VERIFIED A+
● What is the major function of a computer operating system?
*Data management
*Application program management
*Network management
*Computer resource management. Answer: Computer resource
management
● Within a productivity suite, which method of selecting static data from
one application and copying it to another application requires the use of
temporary memory?
*File transfer
*Object embedding
*Object linking
*Copy and paste. Answer: Copy and paste
● What are the basic components, in addition to computers, that are
required for a local network to function?
*Ethernet cards, a common protocol, ethernet cables, and a hub
*Ethernet cards, a modem, a router, and a network database
,*Internet connection, a network interface controller, and a cabling
system
*Internet connection, a network operating system, and a network
administrator. Answer: Ethernet cards, a common protocol, ethernet
cables, and a hub
● Which type of device is an ethernet card?
*Network interface controller (NIC)
*Network firewall hardware
*Network operating system (NOS)
*Network server hardware. Answer: Network interface controller (NIC)
● What is the purpose of a MAC address?
*To uniquely identify an internet URL
*To uniquely identify a computer motherboard
*To uniquely identify an email client
*To uniquely identify a computer on a network. Answer: To uniquely
identify a computer on a network
● Which topology implements a network where if the central hub fails,
all nodes attached to the hub will also fail?
*A mesh topology
*A linear bus topology
, *A star topology
*A ring topology. Answer: A star topology
● A local drafting firm has a secured local area network that uses
Ethernet cables to connect to client computers.
After ensuring that the computer is connected to the network, what must
a user provide to in order to be authenticated?
*An encryption key
*A MAC address
*A digital signature
*A password. Answer: A password
● Many websites keep track of a user's actions and information. They
store much of this information on the user's computer in a private folder
on the hard drive.
What are these very small files called?
*Tracking URLs
*Tracking data
*Tracking cookies
*Tracking packages. Answer: Tracking cookies
● What is the purpose of a universal serial bus (USB) on a laptop or
desktop computer?
STUDY GUIDE 2026 COMPLETE QUESTIONS
AND SOLUTIONS VERIFIED A+
● What is the major function of a computer operating system?
*Data management
*Application program management
*Network management
*Computer resource management. Answer: Computer resource
management
● Within a productivity suite, which method of selecting static data from
one application and copying it to another application requires the use of
temporary memory?
*File transfer
*Object embedding
*Object linking
*Copy and paste. Answer: Copy and paste
● What are the basic components, in addition to computers, that are
required for a local network to function?
*Ethernet cards, a common protocol, ethernet cables, and a hub
*Ethernet cards, a modem, a router, and a network database
,*Internet connection, a network interface controller, and a cabling
system
*Internet connection, a network operating system, and a network
administrator. Answer: Ethernet cards, a common protocol, ethernet
cables, and a hub
● Which type of device is an ethernet card?
*Network interface controller (NIC)
*Network firewall hardware
*Network operating system (NOS)
*Network server hardware. Answer: Network interface controller (NIC)
● What is the purpose of a MAC address?
*To uniquely identify an internet URL
*To uniquely identify a computer motherboard
*To uniquely identify an email client
*To uniquely identify a computer on a network. Answer: To uniquely
identify a computer on a network
● Which topology implements a network where if the central hub fails,
all nodes attached to the hub will also fail?
*A mesh topology
*A linear bus topology
, *A star topology
*A ring topology. Answer: A star topology
● A local drafting firm has a secured local area network that uses
Ethernet cables to connect to client computers.
After ensuring that the computer is connected to the network, what must
a user provide to in order to be authenticated?
*An encryption key
*A MAC address
*A digital signature
*A password. Answer: A password
● Many websites keep track of a user's actions and information. They
store much of this information on the user's computer in a private folder
on the hard drive.
What are these very small files called?
*Tracking URLs
*Tracking data
*Tracking cookies
*Tracking packages. Answer: Tracking cookies
● What is the purpose of a universal serial bus (USB) on a laptop or
desktop computer?
