Infosys Associate Consultant interview questions

1. Sharing Model in salesforce 2. If OWD is public read only and profile is read/create then what will be the user’s visibility 3. Difference between Trigger & Flow 4. Write a trigger on account when annual amount is updated to greater than 100$ then custom field becomes true. 5. Write SOQL query to get the Account name with no contacts 6. Best practises of Trigger & Test Class 7. Mixed DML error in Test class 8. Working of Batch Class 9. Can we call future method from batch class 10. Types of Flows. 11. Types of relationship 12. What is many-to-many relationship.

tell me your understanding on concurrency