WGU D316 IT FOUNDATIONS OA PA ACTUAL
EXAM PAPER 2026 QUESTIONS WITH
SOLUTIONS GRADED A+
◉ What type of motherboard socket is used to install system memory?
Answer: DIMM.(Dual inline memory module)
◉ How many storage devices can be attached to a single SATA port?
Answer: One.
◉ Types of motherboards Answer: ATX, Micro ATX, Mini ITX
◉ What outputs does DVI Support Answer: Analog and Digital
◉ How many types of DVI connectors are there Answer: 5
DVI-A
DVI-D (Single Link), DVI-D(Dual link)
DVI-I(Single Link), DVI-I(Dual link)
◉ What outputs does DVI-I support? Answer: Analog equipment and
digital output.
,◉ What output does DVI-A support? Answer: Only Analog
◉ What output does DVI-D support Answer: Only Digital
◉ What resolution does VGA support? Answer: up to HD (1920x1080)
◉ what does SCSI stand for? Answer: Small Computer System Interface
◉ what does IDE interface stand for? Answer: Integrated Drive
Electronics Interface
◉ What is an IDE interface? Answer: A mass storage interface used for
desktop PCs
◉ How many host adapters does an IDE have? Answer: 2 IDE1 channel
and IDE2 channel
Primary (PRI IDE) and secondary (SEC IDE)
◉ what is a Serial port Answer: a legacy connection where data is
transmitted over one wire one bit at a time.
Used Start, stop and parity bits to format and verify data transmission.
, also known as the RS-232 interface
supports data rates up to about 115 Kbps only
◉ What were PS/2 serial ports used for Answer: To attach mice and
Keyboards
◉ name common legacy interfaces Answer: VGA, DVI, PCI,
EIDE/PATA, SCSI and RS-232 serial
◉ name common modern interfaces Answer: USB/Thunderbolt, HDMI,
DisplayPort, PCIe, SATA, and M.2
◉ Define SATA Answer: Serial Advanced Technology Attachment
Interface
ports on the mother board to connect fixed and removable drives. (disc
drives, tape drives etc)
connected to power via SATA power or Molex Connector.
◉ What is a M.2. Interface Answer: An adapter card inserted and
screwed in to the motherboard.
EXAM PAPER 2026 QUESTIONS WITH
SOLUTIONS GRADED A+
◉ What type of motherboard socket is used to install system memory?
Answer: DIMM.(Dual inline memory module)
◉ How many storage devices can be attached to a single SATA port?
Answer: One.
◉ Types of motherboards Answer: ATX, Micro ATX, Mini ITX
◉ What outputs does DVI Support Answer: Analog and Digital
◉ How many types of DVI connectors are there Answer: 5
DVI-A
DVI-D (Single Link), DVI-D(Dual link)
DVI-I(Single Link), DVI-I(Dual link)
◉ What outputs does DVI-I support? Answer: Analog equipment and
digital output.
,◉ What output does DVI-A support? Answer: Only Analog
◉ What output does DVI-D support Answer: Only Digital
◉ What resolution does VGA support? Answer: up to HD (1920x1080)
◉ what does SCSI stand for? Answer: Small Computer System Interface
◉ what does IDE interface stand for? Answer: Integrated Drive
Electronics Interface
◉ What is an IDE interface? Answer: A mass storage interface used for
desktop PCs
◉ How many host adapters does an IDE have? Answer: 2 IDE1 channel
and IDE2 channel
Primary (PRI IDE) and secondary (SEC IDE)
◉ what is a Serial port Answer: a legacy connection where data is
transmitted over one wire one bit at a time.
Used Start, stop and parity bits to format and verify data transmission.
, also known as the RS-232 interface
supports data rates up to about 115 Kbps only
◉ What were PS/2 serial ports used for Answer: To attach mice and
Keyboards
◉ name common legacy interfaces Answer: VGA, DVI, PCI,
EIDE/PATA, SCSI and RS-232 serial
◉ name common modern interfaces Answer: USB/Thunderbolt, HDMI,
DisplayPort, PCIe, SATA, and M.2
◉ Define SATA Answer: Serial Advanced Technology Attachment
Interface
ports on the mother board to connect fixed and removable drives. (disc
drives, tape drives etc)
connected to power via SATA power or Molex Connector.
◉ What is a M.2. Interface Answer: An adapter card inserted and
screwed in to the motherboard.
