Q&A
| Q1: | Which type of EJBs can use container-managed transactions? And with which transaction option? |
| A1: | All types of EJBs (session, message-driven, and entity beans) can use container-managed transactions, with either the JDBC or JTA transaction option. |
| Q2: | What are the acceptable values of the transaction attribute? |
| A2: | There are six values that can be specified for the transaction attribute: Required, RequiresNew, NotSupported, Mandatory, Never, and Supports. |
| Q3: | How do you configure the EJB to be a CMT? |
| A3: | You must set the <transaction-type> element in the standard deployment descriptor ejb-jar.xml to the Container value. You must also specify the <transaction-attribute> for either the entire EJB or for specific methods of the EJB. |
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