Comptia A+® Certification Study Guide
Questions And Answers Latest Top Score.
32-bit - correct answer. In reference to the Windows operating systems, one that can
utilize up to 4 GB of address space.
64-bit - correct answer. In reference to the Windows operating systems, one that can
utilize 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 answer. A wireless network standard that uses the 5 GHz band.
802.11b - correct answer. A wireless network standard that uses the 2.4 GHz band at
a speed of up to 10 Mbps.
802.11g - correct answer. A wireless network standard that uses the 2.4 GHz band at
a speed of up to 54 Mbps. It is downward-compatible with 802.11b.
802.11n - correct answer. A wireless network standard that defines speeds of up to
600 Mbps. It is downward-compatible with 802.11a, 802.11b, and 802.11g.
8-bit high color - correct answer. Describes the VGA mode color setting that, although
it can produce around 16 million different colors, can only display up to 256 different
colors at a time.
AC adapter - correct answer. 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 answer. 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 answer. Managing access to resources. _______ to
computers and network resources involves authentication and authorization.
,access control entry - correct answer. 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 answer. A table on each file and folder in the NTFS file
system that contains one or more access control entries.
accessory bay - correct answer. In a laptop, a compartment that holds a single media
device that is switchable with another.
ACT - correct answer. The "activity" status light on a NIC that indicates data is being
transmitted.
activation - correct answer. A method used by several software manufacturers to
combat software piracy.
active communication - correct answer. A set of behaviors including active listening
and active speaking that shows you are fully engaged in the conversation and
encourages the other person to also communicate in a positive manner.
active listening - correct answer. A set of skills, behaviors, and attitudes to use when
listening to another person.
active matrix display - correct answer. An LCD technology based on thin-film
transistor (TFT) technology. It has a transistor at every pixel, which enables much
quicker display changes
active partition - correct answer. A primary partition that is marked for use by the
system during startup. Windows operating systems can only be booted from this
active speaking - correct answer. The appropriate responses that you make during a
conversation.
ad hoc mode - correct answer. In a Wi-Fi network, the networking mode that allows
peer-to-peer communications without the use of a centralized wireless hub, called a
wireless access point (WAP).
adapter card - correct answer. A printed circuit card that you add to the motherboard
to enhance functionality. Also called an expansion card. Video adapters and network
interface cards (NICs) are examples of this
address bus - correct answer. A group of wires used to identify 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 locations 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 Resolution Protocol - correct answer. A protocol used to resolve an IP
address to a MAC address.
Advanced Communications Riser - correct answer. 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 functions as well as networking, and supports multiple
Ethernet NICs.
Advanced Configuration and Power Interface - correct answer. A power management
standard that includes all the power states of APM, plus two more. It also supports soft
power.
Advanced Micro Devices - correct answer. AMD manufactures CPUs and other
products, and its chief rival is Intel Corporation.
Advanced Power Management - correct answer. A power management standard,
introduced by Intel in 1992, that defines four power-usage operating levels.
Advanced Technology - correct answer. A type of motherboard used in older PC
systems; also refers to the 1984 IBM PC AT model.
Advanced Technology Attachment - correct answer. The former name of the Parallel
AT Attachment (PATA) interface standard.
Advanced Technology eXtended - correct answer. A type of motherboard and its
variants most commonly used in recent PC systems.
adware - correct answer. Software installed on a computer without permission that
collects information about a user in order to display targeted advertisements, in the form
of either inline banners or pop-ups. Inline banners are advertisements that run within the
context of the current page, taking up screen real estate.
alternating current - correct answer. The delivery of electricity (as from a wall outlet) in
which the flow of electrons reverses periodically and has alternating positive and
negative values.
amperes (amps) - correct answer. A measurement of the volume of electrons, also
called current. It is calculated with the formula amps = watts / volts.
analog LCD display - correct answer. An LCD display that uses a DB-15 connector,
which means that it accepts analog signals that it converts to digital.
, analog modem - correct answer. A modulator/demodulator device that allows
computers to communicate with one another over existing phone lines.
answer file - correct answer. A file used during an unattended installation of Windows.
It provides a script of responses to the questions Setup asks so the user does not have
to answer them manually.
antistatic mat - correct answer. A mat that provides a path to ground for a static
charge and is designed for the desktop or floor of a workspace. One placed on the
workbench reduces the risk of electrostatic discharge for components placed on it, while
one placed on the floor provides the same protection for anyone standing on the mat.
antistatic wrist strap - correct answer. A strap designed to discharge static electricity
from your body. One end attaches to the wrist, whereas the other end attaches to a
grounded object.
archive attribute - correct answer. A file attribute set by the OS when a file is created
or modified. Backup software often removes this attribute when backing up a file in
order to mark it as a backed-up file.
arithmetic logic unit - correct answer. A component of a CPU that is responsible for all
logical and mathematical operations in the system.
aspect ratio - correct answer. The proportion between an image's width and height.
Traditional CRT monitors have an aspect ratio of 4:3. Widescreen displays have an
aspect ratio of 16:9.
asymmetrical digital subscriber line - correct answer. A type of DSL service in which
the download speed is higher than the upload speed.
asynchronous transfer mode - correct answer. A type of switched network used by
phone companies.
ATA Packet Interface - correct answer. The protocol for connecting optical drives and
tape drives to an ATA channel.
attended installation - correct answer. An installation of Windows that is not
automated, where the user is required to pay attention throughout the entire process to
provide information and to respond to messages. Also called a manual installation.
ATV12V - correct answer. A power supply standard that has both the 20-pin
connector for the motherboard and a 4-pin 12 V connector.
ATX power supply - correct answer. A power supply form factor that pairs with an ATX
motherboard and case.
Questions And Answers Latest Top Score.
32-bit - correct answer. In reference to the Windows operating systems, one that can
utilize up to 4 GB of address space.
64-bit - correct answer. In reference to the Windows operating systems, one that can
utilize 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 answer. A wireless network standard that uses the 5 GHz band.
802.11b - correct answer. A wireless network standard that uses the 2.4 GHz band at
a speed of up to 10 Mbps.
802.11g - correct answer. A wireless network standard that uses the 2.4 GHz band at
a speed of up to 54 Mbps. It is downward-compatible with 802.11b.
802.11n - correct answer. A wireless network standard that defines speeds of up to
600 Mbps. It is downward-compatible with 802.11a, 802.11b, and 802.11g.
8-bit high color - correct answer. Describes the VGA mode color setting that, although
it can produce around 16 million different colors, can only display up to 256 different
colors at a time.
AC adapter - correct answer. 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 answer. 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 answer. Managing access to resources. _______ to
computers and network resources involves authentication and authorization.
,access control entry - correct answer. 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 answer. A table on each file and folder in the NTFS file
system that contains one or more access control entries.
accessory bay - correct answer. In a laptop, a compartment that holds a single media
device that is switchable with another.
ACT - correct answer. The "activity" status light on a NIC that indicates data is being
transmitted.
activation - correct answer. A method used by several software manufacturers to
combat software piracy.
active communication - correct answer. A set of behaviors including active listening
and active speaking that shows you are fully engaged in the conversation and
encourages the other person to also communicate in a positive manner.
active listening - correct answer. A set of skills, behaviors, and attitudes to use when
listening to another person.
active matrix display - correct answer. An LCD technology based on thin-film
transistor (TFT) technology. It has a transistor at every pixel, which enables much
quicker display changes
active partition - correct answer. A primary partition that is marked for use by the
system during startup. Windows operating systems can only be booted from this
active speaking - correct answer. The appropriate responses that you make during a
conversation.
ad hoc mode - correct answer. In a Wi-Fi network, the networking mode that allows
peer-to-peer communications without the use of a centralized wireless hub, called a
wireless access point (WAP).
adapter card - correct answer. A printed circuit card that you add to the motherboard
to enhance functionality. Also called an expansion card. Video adapters and network
interface cards (NICs) are examples of this
address bus - correct answer. A group of wires used to identify 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 locations 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 Resolution Protocol - correct answer. A protocol used to resolve an IP
address to a MAC address.
Advanced Communications Riser - correct answer. 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 functions as well as networking, and supports multiple
Ethernet NICs.
Advanced Configuration and Power Interface - correct answer. A power management
standard that includes all the power states of APM, plus two more. It also supports soft
power.
Advanced Micro Devices - correct answer. AMD manufactures CPUs and other
products, and its chief rival is Intel Corporation.
Advanced Power Management - correct answer. A power management standard,
introduced by Intel in 1992, that defines four power-usage operating levels.
Advanced Technology - correct answer. A type of motherboard used in older PC
systems; also refers to the 1984 IBM PC AT model.
Advanced Technology Attachment - correct answer. The former name of the Parallel
AT Attachment (PATA) interface standard.
Advanced Technology eXtended - correct answer. A type of motherboard and its
variants most commonly used in recent PC systems.
adware - correct answer. Software installed on a computer without permission that
collects information about a user in order to display targeted advertisements, in the form
of either inline banners or pop-ups. Inline banners are advertisements that run within the
context of the current page, taking up screen real estate.
alternating current - correct answer. The delivery of electricity (as from a wall outlet) in
which the flow of electrons reverses periodically and has alternating positive and
negative values.
amperes (amps) - correct answer. A measurement of the volume of electrons, also
called current. It is calculated with the formula amps = watts / volts.
analog LCD display - correct answer. An LCD display that uses a DB-15 connector,
which means that it accepts analog signals that it converts to digital.
, analog modem - correct answer. A modulator/demodulator device that allows
computers to communicate with one another over existing phone lines.
answer file - correct answer. A file used during an unattended installation of Windows.
It provides a script of responses to the questions Setup asks so the user does not have
to answer them manually.
antistatic mat - correct answer. A mat that provides a path to ground for a static
charge and is designed for the desktop or floor of a workspace. One placed on the
workbench reduces the risk of electrostatic discharge for components placed on it, while
one placed on the floor provides the same protection for anyone standing on the mat.
antistatic wrist strap - correct answer. A strap designed to discharge static electricity
from your body. One end attaches to the wrist, whereas the other end attaches to a
grounded object.
archive attribute - correct answer. A file attribute set by the OS when a file is created
or modified. Backup software often removes this attribute when backing up a file in
order to mark it as a backed-up file.
arithmetic logic unit - correct answer. A component of a CPU that is responsible for all
logical and mathematical operations in the system.
aspect ratio - correct answer. The proportion between an image's width and height.
Traditional CRT monitors have an aspect ratio of 4:3. Widescreen displays have an
aspect ratio of 16:9.
asymmetrical digital subscriber line - correct answer. A type of DSL service in which
the download speed is higher than the upload speed.
asynchronous transfer mode - correct answer. A type of switched network used by
phone companies.
ATA Packet Interface - correct answer. The protocol for connecting optical drives and
tape drives to an ATA channel.
attended installation - correct answer. An installation of Windows that is not
automated, where the user is required to pay attention throughout the entire process to
provide information and to respond to messages. Also called a manual installation.
ATV12V - correct answer. A power supply standard that has both the 20-pin
connector for the motherboard and a 4-pin 12 V connector.
ATX power supply - correct answer. A power supply form factor that pairs with an ATX
motherboard and case.
