Learning covered calls/resources/practice trading platforms

Hi all,

I'm a newbie for trading and I have seen webinars on covered call strategy. I did a bit of basic search and now interested to explore it further.

1. Can someone please recommond good resources to learn further covered call strategies.

2. Which platforms do you recommond to trade for US market.

3. Could you please also suggest any platforms where I can do /try dummy trades go grow my confidence prior to do actual trades.

Thanka heaps
Dan