Which of the following changes take effect?

You restart the platform without running "ant all".

Which of the following changes take effect? Note: There are 2 correct answer to this question.
A . Addition of a Spring bean definition
B. Removal of an extension from the localextensions.xml file
C. Definition of a new item type in the items.xml file for an extension
D. Changes to database properties in the local.properties file

Answer: A,D