Comp A+ Definitions Flashcards
802.11
A family of specifications for wireless LAN Communication
802.11a
A fast, secure, relatively expensive wireless communication. speeds up to 54 Mbps in the 5 Ghz Frequency
802.11ac
wireless data throughput at a rate of up to 2 Gbps in the 5 GHz range
802.11b
It is least expensive wireless network protocol used to transfer data 11 Mbps transfer rate in the 2.4 GHz Frequency
802.11g
wireless data throughput at the rate of up to 54 Mbps in the 2.4 GHz band, replacement for 802.11b
802.11n
A specification for wireless data throughput at a rate of up to 600 Mbps in the 2.4 GHz or 5 GHz range. Released in 2009
Accelerometer
Mobile tech determine the orientation and acceleration of a device
ACL- Access Control List
A set of data (use names, passwords, time and date, IP addresses, MAC addresses, etc) used to control access to a resource such as a computer, file, or network.
Activity Light
An indicator on a network adapter that flickers when packets are received or sent.
Ad hoc mode
A method for wireless devices to communicate directly with each other without the use of an AP.
Administrative Share
A hidden share created by default on every Windows system. If deleted, by default, the system recreates them when it restarts.
Adware
Unwanted software, purpose of presenting commercial advertisements to the user.
Aero
A color scheme available in Windows Vista and Windows 7
AES- Advanced Encryption Standard
A symmetric 128-192-, or 256- bit block cipher
AIO MFD- All-in-one multi-function device
A small sized MFD for home users
Algorithm
In encryption, the rule, system, or mechanism used to encrypt data.
Analog Transmission
The transfer of information in the form of a continuous wave.
Android
An OS for mobile devices
Anti-spyware software
Software that is specifically designed to protect systems against spyware attacks.
Antivirus Software
An application that scans files for executable code that matches patterns known to be common to viruses, and monitors systems for activity associated with viruses.
AP- Access Point
A device or software that facilitates communication and provides enhanced security to wireless devices
APIPA- Automatic Private IP Addressing
DHCP client computer to configure itself automatically with a random IP address in the range of 169.254.0.1 to 169.254.255.254 if no DHCP server available
Argument
A file name or directory name that indicates the files on which a command will operate.
ARP- Address Resolution Protocol
A protocol that maps IP addresses to MAC addresses