O'Reilly logo

CompTIA A+ 220-801 and 220-802 Authorized Cert Guide, Third Edition by Scott Mueller, David L. Prowse, Mark Edward Soper

Stay ahead with the world's most comprehensive technology and business learning platform.

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, tutorials, and more.

Start Free Trial

No credit card required

Glossary

104-key keyboard Keyboard layout with Windows and right-click keys added to the old 101-key layout.

802.11a A wireless Ethernet standard that uses 5GHz radio signals and provides performance at rates from 6Mbps up to 54Mbps. It is not compatible with other 802.11-based wireless networks unless dual-band access points are used.

802.11b A wireless Ethernet standard that uses 2.4GHz radio signaling for performance from 2Mbps to 11Mbps. It is compatible with 802.11g-based wireless networks but not with 802.11a-based networks unless dual-band access points are used.

802.11g A wireless Ethernet standard that uses 2.4GHz radio signaling for performance up to 54Mbps. It is compatible with 802.11b-based wireless networks but not with 802.11a-based ...

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, interactive tutorials, and more.

Start Free Trial

No credit card required