With all this TA/RA job description difficulty being so relevant for the PhD stream, I think the following is a very interesting ruling by the Federal Court on a rejection of a PR application, due to the job descriptions being all too similar with the required NOC descriptions.
The CIC officer deemed the descriptions as self-serving, and crafted specifically for the PR application, hence, not being credible enough . Thankfully, the Federal Court reversed the decision, stating that having almost copy-pasted job descriptions, by itself, is not a sufficient ground of incredibility.
Hi Asal2013,
Since his PhD is from a Canadian university, and then he would not have to have his other degrees evaluated for equivalence. They only care about the highest degree, not the number of years spent for education: