First batch of questions for .NET Developer contracting work

Regarding the Two 6-months contract to work on TeamMentor (QA and Dev) here is my first batch of questions to the candidates:

• have you use Git? and GitHub?
• what is your development toolset?
• OS
• IDE
• IDE Extensions
• Tools
• Custom Scripts (in what language)
• what is your preferred way to write Unit tests for C# code (on the backend)?
• what is your preferred way to write Unit tests for C# code (for webservices)?
• have you written browser automation? if so using what Browser automation API? (Selenium, Watin, Watir, Cucumber)
• have you written a DSL (Domain Specific language)?
• what kind of Javascript frameworks have you coded on?
• what is your preferred way to write Unit tests for Javascript code?
• what are your views on jslint vs jshint?
• have you used/set-up a CI environment like the one provided by TeamCity
• have you used SAST tools? (Security static analysis)
• have you used DAST tools? (Security dynamic analysis)
• have you used AOP before, namely PostSharp? (If so, to do what?)
• what are your favourite technologic and programming books?
• have you used the O2 Platform?
• have you used NodeJS? (if so what do you think of it?)
• what do you think of file-based XML databases (like the one used by TeamMentor)
• do you have secure-coding skills?
• on fixing security vulns (which ones?)
• on finding security vulns  (what type?)
• in exploiting security vulns (what was the exploit scenario?)
• have you fuzzed a unit-test? (how?)