CompTIA A+ Complete Certification Exam Core 1 220–1001 and Exam Core 2 220–1002
32-bit operating system - An operating system based on 32-bit
... [Show More] commands that can address 32-bit memory locations.
3D printing - A fabrication process, also known as additive manufacturing, in which three-dimensional products are created by adding thin layers of material on top of each other.
3G (third generation) - An old cellular networking technology that was popular in the 1990s and early 2000s; replaced by 4G.
4G (fourth generation) - A generation of cellular technology that was popular throughout
the 2010s. It was the first standard that offered LTE.
5G (5th Generation) - The most current generation of cellular communications; supports
gigabit speeds over cellular links.
64-bit operating system - An operating system based on 64-bit commands that can
address 64-bit memory locations.
8.3 naming convention - The naming convention used with DOS that requires the format
of eight letters for the name, a period, and then a three-letter file identifier.
802.11 - The IEEE specification that defines the family of wireless network
communications.
802.11a - A wireless standard that operates at 5 GHz and provides wireless speeds up to
54 Mbps.
802.11ac - A wireless standard that operates at 5 GHz and claims to provide wireless speeds
of 1 Gbps or higher.
802.11b - A wireless standard that operates at 2.4 GHz and provides wireless speeds up to
11 Mbps.
802.11g - A wireless standard that operates at 2.4 GHz, is backward compatible with
802.11b, and provides data transmissions up to 54 Mbps.
802.11n - A wireless standard that can operate at 5 GHz or 2.4 GHz, is backward
compatible with earlier standards, and provides data transmissions up to 600 Mbps.
802.1x - A switch port control protocol used to authenticate devices and users on Ethernet
and wireless connections.
AC adapter - A power adapter that plugs into a standard wall outlet and provides
alternating current.
acceptable use policy (AUP) - An internal policy that establishes the acceptable use of an
organization's resources for employees.
access control list (ACL) - A set of rules or list of conditions that determines which traffic
is allowed through a firewall and which traffic is denied.
access point - A device that allows wireless devices to talk to each other and the network.
It provides the functions of the network access as well as security monitoring.
access token - The access token, in Windows, contains a user's login information,
including their groups and privileges.
account lockout - When an incorrect password has been entered too many times, an
account will disallow future logins and lock out the user.
accounting - An audit trail of user logins and logouts used with RADIUS.
Action Center - A feature in Windows 7 and Windows 8/8.1 that allows for viewing of
Security and Maintenance-related settings of the operating system.
Active Directory (AD) - A directory service that Microsoft clients use for centralized
authentication, authorization, and accounting [Show Less]