http://www.cic.gc.ca/english/immigr/index2.html
进入 Independent Class Immigration
下载 Guide for Independent Applicants 和 General Occupations List

In Guide for Independent Applicants you can get all the answers of your questions about immigration to CANADA。

in General Occupational List you can get the NOC Code。
比如 The NOC Code of COMPUTER ENGINEER is 2147

然后
http://www.on.hrdc-drhc.gc.ca/ottawa/menu/home.stm
-左边menu WORK JOBS
-第四个主选项 CARREER PLANNING AND EXPLORATION
-PLEASE GO TO INFORMATION BY NATIONAL OCCUPATIONAL CODE
-NOC：2147，COMPUTER ENGINEERS
-OCCUPATIONAL PROFILE (DUTIEES AND REQUIREMENTS)