Hope you can find answer for Question 2 here
https://www.canada.ca/en/immigration-refugees-citizenship/corporate/publications-manuals/operational-bulletins-manuals/temporary-residents/visitors/dual-intent-applicants.html?fbclid=IwAR3ajDwN3zfEID5Wzwhmj3Ls6LDpTsmwtaO88LAVxcdYmS7OTxlJ_ZKpCg8