Compiled CompTIA A+ Exam 220-1001 and 220-1002 Revised and Solved Correctly *Q&A* 2025/2026 |VERIFIED|
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Module
CompTIA
Institution
CompTIA
Compiled CompTIA A+ Exam 220-1001
and 220-1002 Revised and Solved
Correctly *Q&A* 2025/2026 |VERIFIED|
What type of memory implementation requires two paired standard memory modules to read from or
write to simultaneously?
Channel memory
What feature of DVDs and BDs allows for two media...
Compiled CompTIA A+ Exam 220-1001
and 220-1002 Revised and Solved
Correctly *Q&A* 2025/2026 |VERIFIED|
What type of memory implementation requires two paired standard memory modules to read from or
write to simultaneously?
Channel memory
What feature of DVDs and BDs allows for two media layers on one or both sides of the disc?
Dual-layer
What is the purpose of dual-rail power in modern power supplies?
It provides multiple 12V rails to supply more power overall to components that require 12VDC,
but with the possibility of undersupplying each individual rail.
What does dual-voltage option in a power supply allow?
It allows the selection of different AC input voltages, for example, the lower voltages common in
North America or the higher voltages common in Europe.
What term describes the act of digging through the trash to collect sensitive information?
Dumpster diving
What is the function of a duplexing assembly in a printer?
It is responsible for turning the paper over so that it can be printed on both sides.
What does a DVD-ROM represent?
It is a non-writeable and inerasable DVD permanently pressed with digital data.
What is the purpose of a DVI to HDMI adapter?
1
, It allows a DVI monitor to be connected to an HDMI output port on a graphics adapter.
How does a DVI to VGA adapter function?
It interconnects a DVI-A interface with a VGA interface to allow interconnection between different
graphics adapters and monitors.
What is a Dynamic disk used for in the Windows operating system?
It is used for creating RAID groups between volumes in the Microsoft proprietary partitioning
scheme.
Which protocol automatically configures network clients with IP information when they join the
network?
Dynamic Host Configuration Protocol (DHCP)
What is dynamic network address translation (DNAT)?
It allows for a resource on a private computer to be available for consumption on a public
network.
What does it mean for variables to be dynamically typed?
It means the type of the variable is automatically set as a value.
What does electromagnetic interference (EMI) refer to?
It refers to electromagnetic radiation released by an electronic device that disrupts the operation
of other devices.
What role does an electronic stepper motor play in a printer?
It accurately moves in small increments, powering paper transport and fuser rollers.
What is electrostatic discharge (ESD)?
2
, It occurs when two objects of dissimilar electrical charge come into contact, potentially damaging
electronic components.
What is an embedded system?
It is a computer system upon which other systems depend to complete processes.
What is an emulator in the context of virtualization?
It is another term for a hypervisor, a program that allows the creation of virtual machines.
What is the Encrypting File System (EFS) in NTFS?
It is a technology that allows for the encryption and decryption of individual files and folders.
What does encryption do?
It scrambles a signal or message to make it unreadable by normal means, or encodes a file with a
key that only select individuals can access.
What is an end-user license agreement (EULA)?
It is a contract between a software company and an end user that specifies the legal use of an
application.
What does end-of-life refer to in hardware or software products?
It is the point at which a product is no longer supported.
What does an endpoint management server do?
It manages the configuration of workstations and servers on a network and deploys security
policies, operating systems, software, patches, and more.
What is the method of end-user acceptance in software changes?
It is the process by which changes to a program or process are tested by users.
3
, What is an enterprise license?
It is a software license issued for use across an entire enterprise, regardless of license count.
What is an entry control roster used for?
It is a list of people authorized in an area, typically controlled by a security guard.
What is an envelope feeder in a printer?
It is a device for feeding envelopes into a printer.
What are environment variables?
They are placeholders for strings of data used by the operating system.
What does the Environmental Protection Agency (EPA) oversee?
It oversees environmental protection regulations in the United States.
What is an EP cartridge in a laser printer?
It is a component that forms images on paper.
What is the EP imaging process in a laser printer?
It is the process by which a laser printer forms images on paper.
What type of device is an e-reader?
It is a mobile device designed for reading books, newspapers, and magazines, typically using
electrophoretic ink (E Ink).
What is an error-correcting code (ECC)?
It is an error-checking scheme that can detect and correct single-bit errors in data.
4
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