What SEO tools do you use?

Keyword analysis tools, keyword density tools, index checking,
backlink checking, wordprocessor to check spelling and grammar, HTML
validation

What do you mean by keyword stemming?

Keyword stemming is a useful tool for web pages and search engine optimization.
The process of keyword stemming involves taking a basic but popular keyword pertaining
to a particular website and adding a prefix, suffix, or pluralization to make the
keyword into a new word.

keyword proximity?

The proximity of the keywords or keywords included in a phrase in
relation to each other and one another is of great importance and is the
basis of using the appropriate combination of the words in the page
titles,headers,paragraphs and page content.

What Is a Sitemap?

A Sitemap is especially useful for sites that feature images that may be hard to find by Googlebot or contain pages that aren’t linked or have few included links. Sites that contain compelling information or content can also benefit by the creation of a Sitemap.

Who is Matt Cutts?

Matt Cutts works for the Search Quality group in Google, specializing in search engine optimization issues. He is well known in the SEO community for enforcing the Google Webmaster Guidelines and cracking down on link spam. Cutts also advises the public on how to get better website visibility in Google.

what are meta tags?

meta tags are labeled as meta keyword tags and meta descriptions tags. These tags are invisible to the user and are used to supply data or directions to the search engines in order to access information.

What is Anchor Text?

It is the visible text that is hyper linked to another page ?

What does the 301 server response code signify?

Moved Permanently

how get a list of all pages indexed by google?

You can do site:example.com searches with  results per page, but if you
 try to do so with a script, then you will be stopped after just a few requests.

Security issue for sitemap SEO?

They typically name their sitemap something like sitemapRXTNAP.xml and submit it to Google using webmaster tools, rather than listing it in robots.txt