Consults a question?

If in the computer network aspect, that studies any thing well some.On the other hand
Studies the software to be quite good If is the network aspect, then on website, Reference:http://www.itblo.com/ this is my,
Cisco network engineer authenticates == the diamond rice bowl Exchange and route
windows server 2003 system administrations and network service
RedHat Linux system administration and network service
Also has some wiring aspect, the security aspect knowledge Most basic must learn the application software