If there is a custom validation rule on a custom object Position for the custom text field Location to make sure that this field is not left blank, then what are the various ways of bypassing this validation rule?

If OWD is private for a custom object Position, then a user can view only those Position records which are owned by him if no one down the role hierarchy below him has created any Position record and t here is no sharing rule on Position object.

' View All ' has been checked at the profile level for a custom object Position but ' Modify All ' has not been checked. OWD is read/write of the Position object. Any user can delete Position records owned by other users.

Which of these records cannot be deactivated once activated? Product, Contract, Campaign

If multiple active workflow rules are present on an object, then these workflow rules will execute in the order in which they have been created.

Apex sharing reasons are available for standard and custom objects.

Custom Summary Field/Formula is available only in report generated from Custom Report Type using with or without relationship with some other object.

What are the various ways of making a tab (say Leads) hidden for any profile?

When the email ID of a user is changed then email with link to verify the change is sent to:

In the initial sync of a quote with an opportunity