Salesforce Admin Practice Set 1

Is it possible to delete Users in Salesforce?

As an admin, I wish to disable a Users access to create Account records in Salesforce. Which feature shall I modify to achieve the same.

I want to update the Child records from an action on Parent Record. Is this doable via Workflow Rules in Salesforce?

What all are the features of a Profile?

Master detail relationship exists between Account & Contact. This statement is true or false?

How many days does a deleted record live in the recycle bin of Salesforce?

As a custom solution I had created multiple objects and relationships between them. I could easily figure out MD and Lookup relationships and did not create any Roll-Up summary fields as well with MD relations. Now with a change request, is it possible for me as an admin to convert the MD to Lookup relationship within salesforce?

Which of the following display properties of a MD relationship in Salesforce?

Can I set the password policies in Salesforce?

Is this statement correct: Look-Up fields cannot be converted into Master Detail relationship if the records already exists without value in the Lookup field.