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Common Access Card. A Common Access Card (CAC). The common access card, also commonly referred to as the CAC, is the standard identification for active duty United States defense personnel. The card itself is a smart card about the size of a credit card. [1] Defense personnel that use the CAC include the Selected Reserve and National Guard ...
The access badge contains a number that is read by a card reader. This number is usually called the facility code and is programmed by the administrator. The number is sent to an access control system, a computer system that makes access control decisions based on information about the credential. If the credential is included in an access ...
Carrier-sense multiple access with collision detection. Carrier-sense multiple access with collision detection ( CSMA/CD) is a medium access control (MAC) method used most notably in early Ethernet technology for local area networking. It uses carrier -sensing to defer transmissions until no other stations are transmitting.
Satellite Internet access. A WildBlue satellite dish on the side of a house for receiving Internet. Satellite Internet access is Internet access provided through communication satellites; if it can sustain high speeds, it is termed satellite broadband. Modern consumer grade satellite Internet service is typically provided to individual users ...
Information about the Real ID requirements posted at the Secretary of State's driver's license facility in the James R. Thompson Center in Chicago, Ill. on March 27, 2019.
The arrows can also be clicked to expand selection. A breadcrumb or breadcrumb trail is a graphical control element used as a navigational aid in user interfaces and on web pages. It allows users to keep track and maintain awareness of their locations within programs, documents, or websites. The term alludes to the trail of bread crumbs left by ...
v. t. e. In IEEE 802 LAN/MAN standards, the medium access control ( MAC ), also called media access control, is the layer that controls the hardware responsible for interaction with the wired (electrical or optical) or wireless transmission medium. The MAC sublayer and the logical link control (LLC) sublayer together make up the data link layer.
1-800-358-4860. Get live expert help with your AOL needs—from email and passwords, technical questions, mobile email and more. Navigate, read and search on AOL.com. AOL offers a large variety of searching, navigating and reading features that make it easier to digest info and news. There are different customization features, searching tips ...