An Internet marketing strategy starts from SEO considering how Search Engines algorithm work and what people search for. Optimizing a website for organic search listing should be primary objective before you look for a marketing program.

yes he is right. If you are not familiar with the Search Engines Algorithm structure you can't be successful.

Adwords is a very good marketing tool but it will not make any effect on your page rank. You should first optimize your site for search engines. You can start from generating backlinks.

Search engine optimization is the best internet marketing strategy. Its helps your website to be on first pages of search engines.