What are the activities of Enterprise Portal Admin do ???

Hello Form,

I am a BASIS Person (R/3, WEB AS upto 6.40) . I have installed EP 6.0 also.

I am new to Enterprise Portal.

1.If some one can list all the topics for a EP Administrator that will be great help for me to focus my study.

2. Also What are the activities of EP Administrator

Thanks a lot.

Ravish