learn computer networking

i m in IT field.and i want to learn networking of computer

i am nathanael and i live in qatar if any one can tech me on computer networlk pls…...........

I dont no what to write , what ever i want to do in my life i cant succed in it , i want to be a professional in work i want to learn networking iam zero in this and my request to all those who are learning should help me

thank you

Wahid

I wanted to learn computer learning if any online coarse available.

Rgrds,

i like to learn more about pc networking so please try to help me

thank you…

I want to understand the basics of how computers communicate and how to be able to run a [home or office] network off a server, preferably with linux and connect it to the internet safely and securely.