CompTIA A+® Cer fica on Study Guide Ques ons and
answers Newest RATED A+ 2025/2026
32-bit - Correct Answers In reference to the Windows opera ng systems, one that can u lize
up to 4 GB of address space.
64-bit - Correct Answers In reference to the Windows opera ng systems, one that can u lize
more than 4 GB of address space. Depending on the version, 64-bit Windows can address a
maximum of from 8 to 192 GB.
802.11a - Correct Answers A wireless network standard that uses the 5 GHz band.
802.11b - Correct Answers A wireless network standard that uses the 2.4 GHz band at a speed
of up to 10 Mbps.
802.11g - Correct Answers A wireless network standard that uses the 2.4 GHz band at a speed
of up to 54 Mbps. It is downward-compa ble with 802.11b.
802.11n - Correct Answers A wireless network standard that defines speeds of up to 600
Mbps. It is downward-compa ble with 802.11a, 802.11b, and 802.11g.
8-bit high color - Correct Answers Describes the VGA mode color se2ng that, although it can
produce around 16 million different colors, can only display up to 256 different colors at a me.
AC adapter - Correct Answers A type of power supply that converts AC power to voltages
needed for a device. AC adapters are generally used for portable PC systems and other devices.
,accelerated graphics port - Correct Answers A local bus designed for video only, it provides a
direct link between the processor and the video card, giving the video card direct access to main
memory.
access control - Correct Answers Managing access to resources. _______ to computers and
network resources involves authen ca on and authoriza on.
access control entry - Correct Answers In an access control list, a record containing just one
user or group account name and the permissions assigned to that account.
access control list - Correct Answers A table on each file and folder in the NTFS file system
that contains one or more access control entries.
accessory bay - Correct Answers In a laptop, a compartment that holds a single media device
that is switchable with another.
ACT - Correct Answers The "ac vity" status light on a NIC that indicates data is being
transmi<ed.
ac va on - Correct Answers A method used by several so=ware manufacturers to combat
so=ware piracy.
ac ve communica on - Correct Answers A set of behaviors including ac ve listening and
ac ve speaking that shows you are fully engaged in the conversa on and encourages the other
person to also communicate in a posi ve manner.
ac ve listening - Correct Answers A set of skills, behaviors, and a2tudes to use when listening
to another person.
, ac ve matrix display - Correct Answers An LCD technology based on thin-film transistor (TFT)
technology. It has a transistor at every pixel, which enables much quicker display changes
ac ve par on - Correct Answers A primary par on that is marked for use by the system
during startup. Windows opera ng systems can only be booted from this
ac ve speaking - Correct Answers The appropriate responses that you make during a
conversa on.
ad hoc mode - Correct Answers In a Wi-Fi network, the networking mode that allows peer-to-
peer communica ons without the use of a centralized wireless hub, called a wireless access
point (WAP).
adapter card - Correct Answers A printed circuit card that you add to the motherboard to
enhance func onality. Also called an expansion card. Video adapters and network interface
cards (NICs) are examples of this
address bus - Correct Answers A group of wires used to iden fy addresses in main system
memory in a computer. The number of wires in an address bus is called the width of the bus and
determines the number of unique memory loca ons that can be addressed using binary math
with the two raised to the power of the number of wires in the bus. A 32-bit bus can address up
to 4 GB of memory, whereas a 36-bit address bus can address up to 64 GB of memory.
Address Resolu on Protocol - Correct Answers A protocol used to resolve an IP address to a
MAC address.
Advanced Communica ons Riser - Correct Answers A riser card standard that AMD, 3Com,
and others introduced in 2000 to supersede AMR. It uses one PCI slot, provides accelerated
audio and modem func ons as well as networking, and supports mul ple Ethernet NICs.
, Advanced Configura on and Power Interface - Correct Answers A power management
standard that includes all the power states of APM, plus two more. It also supports so= power.
Advanced Micro Devices - Correct Answers AMD manufactures CPUs and other products, and
its chief rival is Intel Corpora on.
Advanced Power Management - Correct Answers A power management standard, introduced
by Intel in 1992, that defines four power-usage opera ng levels.
Advanced Technology - Correct Answers A type of motherboard used in older PC systems; also
refers to the 1984 IBM PC AT model.
Advanced Technology A<achment - Correct Answers The former name of the Parallel AT
A<achment (PATA) interface standard.
Advanced Technology eXtended - Correct Answers A type of motherboard and its variants
most commonly used in recent PC systems.
adware - Correct Answers So=ware installed on a computer without permission that collects
informa on about a user in order to display targeted adver sements, in the form of either
inline banners or pop-ups. Inline banners are adver sements that run within the context of the
current page, taking up screen real estate.
alterna ng current - Correct Answers The delivery of electricity (as from a wall outlet) in
which the flow of electrons reverses periodically and has alterna ng posi ve and nega ve
values.
amperes (amps) - Correct Answers A measurement of the volume of electrons, also called
current. It is calculated with the formula amps = wa<s / volts.
answers Newest RATED A+ 2025/2026
32-bit - Correct Answers In reference to the Windows opera ng systems, one that can u lize
up to 4 GB of address space.
64-bit - Correct Answers In reference to the Windows opera ng systems, one that can u lize
more than 4 GB of address space. Depending on the version, 64-bit Windows can address a
maximum of from 8 to 192 GB.
802.11a - Correct Answers A wireless network standard that uses the 5 GHz band.
802.11b - Correct Answers A wireless network standard that uses the 2.4 GHz band at a speed
of up to 10 Mbps.
802.11g - Correct Answers A wireless network standard that uses the 2.4 GHz band at a speed
of up to 54 Mbps. It is downward-compa ble with 802.11b.
802.11n - Correct Answers A wireless network standard that defines speeds of up to 600
Mbps. It is downward-compa ble with 802.11a, 802.11b, and 802.11g.
8-bit high color - Correct Answers Describes the VGA mode color se2ng that, although it can
produce around 16 million different colors, can only display up to 256 different colors at a me.
AC adapter - Correct Answers A type of power supply that converts AC power to voltages
needed for a device. AC adapters are generally used for portable PC systems and other devices.
,accelerated graphics port - Correct Answers A local bus designed for video only, it provides a
direct link between the processor and the video card, giving the video card direct access to main
memory.
access control - Correct Answers Managing access to resources. _______ to computers and
network resources involves authen ca on and authoriza on.
access control entry - Correct Answers In an access control list, a record containing just one
user or group account name and the permissions assigned to that account.
access control list - Correct Answers A table on each file and folder in the NTFS file system
that contains one or more access control entries.
accessory bay - Correct Answers In a laptop, a compartment that holds a single media device
that is switchable with another.
ACT - Correct Answers The "ac vity" status light on a NIC that indicates data is being
transmi<ed.
ac va on - Correct Answers A method used by several so=ware manufacturers to combat
so=ware piracy.
ac ve communica on - Correct Answers A set of behaviors including ac ve listening and
ac ve speaking that shows you are fully engaged in the conversa on and encourages the other
person to also communicate in a posi ve manner.
ac ve listening - Correct Answers A set of skills, behaviors, and a2tudes to use when listening
to another person.
, ac ve matrix display - Correct Answers An LCD technology based on thin-film transistor (TFT)
technology. It has a transistor at every pixel, which enables much quicker display changes
ac ve par on - Correct Answers A primary par on that is marked for use by the system
during startup. Windows opera ng systems can only be booted from this
ac ve speaking - Correct Answers The appropriate responses that you make during a
conversa on.
ad hoc mode - Correct Answers In a Wi-Fi network, the networking mode that allows peer-to-
peer communica ons without the use of a centralized wireless hub, called a wireless access
point (WAP).
adapter card - Correct Answers A printed circuit card that you add to the motherboard to
enhance func onality. Also called an expansion card. Video adapters and network interface
cards (NICs) are examples of this
address bus - Correct Answers A group of wires used to iden fy addresses in main system
memory in a computer. The number of wires in an address bus is called the width of the bus and
determines the number of unique memory loca ons that can be addressed using binary math
with the two raised to the power of the number of wires in the bus. A 32-bit bus can address up
to 4 GB of memory, whereas a 36-bit address bus can address up to 64 GB of memory.
Address Resolu on Protocol - Correct Answers A protocol used to resolve an IP address to a
MAC address.
Advanced Communica ons Riser - Correct Answers A riser card standard that AMD, 3Com,
and others introduced in 2000 to supersede AMR. It uses one PCI slot, provides accelerated
audio and modem func ons as well as networking, and supports mul ple Ethernet NICs.
, Advanced Configura on and Power Interface - Correct Answers A power management
standard that includes all the power states of APM, plus two more. It also supports so= power.
Advanced Micro Devices - Correct Answers AMD manufactures CPUs and other products, and
its chief rival is Intel Corpora on.
Advanced Power Management - Correct Answers A power management standard, introduced
by Intel in 1992, that defines four power-usage opera ng levels.
Advanced Technology - Correct Answers A type of motherboard used in older PC systems; also
refers to the 1984 IBM PC AT model.
Advanced Technology A<achment - Correct Answers The former name of the Parallel AT
A<achment (PATA) interface standard.
Advanced Technology eXtended - Correct Answers A type of motherboard and its variants
most commonly used in recent PC systems.
adware - Correct Answers So=ware installed on a computer without permission that collects
informa on about a user in order to display targeted adver sements, in the form of either
inline banners or pop-ups. Inline banners are adver sements that run within the context of the
current page, taking up screen real estate.
alterna ng current - Correct Answers The delivery of electricity (as from a wall outlet) in
which the flow of electrons reverses periodically and has alterna ng posi ve and nega ve
values.
amperes (amps) - Correct Answers A measurement of the volume of electrons, also called
current. It is calculated with the formula amps = wa<s / volts.
