http://brent.wambolt.ca/Education/MCSE/TestKing%20-%20Comptia%20A+%20Core%20Hardware%20220-221%20Edt2.0.pdf
http://rapidshare.de/files/2603943/TestKing_220-221_Comptia_A__Core_Hardware_v3.pdf.html
http://rapidshare.de/files/2899989/iman0507004.rar.html