Nagarro Technical Lead interview questions

Interviewers were friendly and the overall experience was very good. They conducted three short technical interviews. Round 1 Questions: #1: Current Project explanation. #2: How the swf and backend communicates in Flex. #3: What is the component life cycle? Explain it. #4: What actions are done in updateDisplayList() method? Round 2 Questions: #1: What is a sealed and dynamic class? How to create a dynamic class? #2: What is the instruction to get info of newly added properties in a dynamic class? #3: What is AIR? #4: What is a native application? #5: What is a native installer? What file type extension it has? #6: What is the difference between window and native window? #7: What is crossdomain.xml and in what scenarios it is used? Round 3 Questions: #1: What is the value of: (a-x)(b-x)(c-x)... (z-x)? #2: What frameworks are available for Flex? #3: What are the key factors for selection of a particular framework? #4: What are the technical differences between Cairngorm and Robotlegs framework?