pls:https://rapidshare.com/files/90234783/OSI1.mov.html
pls:https://rapidshare.com/files/90234784/OSI2.mov.html
pls:https://rapidshare.com/files/90234785/OSI3.mov.html
pls:https://rapidshare.com/files/90234786/OSI4.mov.html
pls:https://rapidshare.com/files/90234787/Ethernet1.mov.html
pls:https://rapidshare.com/files/90234788/Ethernet2.mov.html
pls:https://rapidshare.com/files/90234789/Ethernet3.mov.html

و الله الفيديوهات جامدةةةةةةةةةةةة

Silent whispers , Silent tears(B)s(B)