When i take the DEV401 exam ,there is a question below:
 [43] If a parent object has a lookup relationship defined with a child object. What happens in the
 child object when you delete a record from the parent? Choose the Right answer
 A. The child record is deleted
 B. Nothing
 C. The parent record cannot be deleted
 D. The child record cannot be deleted
I was confused by the answer.
In my opinion ,both B and C are not incorrect.
So,which answer  should I choose?

Hello,

For opportunity,
How can i create different record types, sales process, etc.

Thanks

Is it possible in Salesforce.com to Stop the Roll Up of Role Hierarchy for Standard Objects ?
A. Yes
B. No

Person accounts count against both account and contact storage because the API considers each person account to consist of one account as well as one contact.
A. True
B. False

Ids can not be identified from which of the following standard ways :
A. From Formula Fields
B. From the Salesforce.com URL when a record is displayed in
C. Through the web services API i.e. Data Loader
D. From reports

The Status field cannot be updated by approval processes ?
A. True
B. False

Fields marked Always Displayed on page layouts are automatically included on the mini page layout and cannot be removed unless they are removed from the page layout.
A. True
B. False

Mini page layouts inherit record type and profile associations, related lists, fields, and field access settings from their associated page layout.
A. True
B. False