1. If the OWD for account is “Private”, is it possible for a user in higher hierarchy to see the records owned by the user below his/her hierarchy?

2. If without sharing class calls with sharing class, how the with sharing class behaves(with sharing or without sharing)?

3. How to extend report access to group of users?

4. How to by pass governor limits?

5. Difference between heap limits and governor limits?

6. How to schedule Batch apex?

7. How to update a text field based on Date field?

Cheers!!!