Difference between revisions 2539612 and 2539613 on enwikibooks

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A+ Certification
The '''A+ certification''' demonstrates competency as a computer technician. CompTIA A+ certification is a vendor neutral certification.
It requires two tests to be passed: the [[wikipedia:A+ Essentials|A+ Essentials]] exam and a choice of one of three elective exams. CompTIA is vendor neutral but leans towards Microsoft operating systems, although some Apple questions do appear on newer exams. 

== Knowledge and supplies needed to prepare for the A+ Certification test ==
(contracted; show full)
Microsoft operating systems:
* Legacy Windows OS's (need only to know upgrade paths):
** Windows 95
** Windows 98
** Windows ME
** Windows NT 4.0

** Windows 2000⏎
* Current Windows OS's (focus on these for the new exam):
** Windows 2000⏎
** Windows XP
** Windows Vista
** Windows 7
** Windows 8

Apple operating systems:
* Mac OS X (which is based on Unix-like system-exam question)
* Mac OS 9iOS (for iPhone, iPad, iPod Touch)

Unix-like operating systems:
* BSD (and derivations like FreeBSD, OpenBSD, and NetBSD)
* NextStep
* GNU/Linux⏎
* Google Android

== Boot Process for Operating Systems ==

=== DOS BOOT PROCESS ===

# Upon powering on the machine a POST (Power on Self Test) is executed, this does a quick test on things such as the memory and power supply of a machine. POST transfers control to CMOS (Complementary Metal Oxide Semiconductor) which contains the BIOS (Basic Input Output System). The BIOS loads various low level settings such as boot-order and network settings.  The BIOS is also a very useful tool for testing memory or hard drives, as wel(contracted; show full)* [[Server+ Certification]]
* [[Linux+ Certification]]
* [[LPI Linux Certification]]
* [[CIW Certification|CIW Home]]

{{alphabetical|A}}
{{subjects|IT certifications}}
{{status|25%}}