Quiz 1z0-861

Quiz 1z0-861, Java Enterprise Edition 5 Business Component Developer Certified Professional Upgrade

Which statement is true about the Timer service in an EJB 3.0 stateless session bean?

Which statement that describes the functionality of optimistic locking is correct?

When does a new persistence context begins?

Which option can the developer use?

which statement is true when the work() method is invoked by a client with an existing transaction context and execution reaches Line 15?

Which design can meet this requirement?

which of these conditions could this be possible?

Bean A is using bean-managed transaction demarcation and has invoked the foo method of bean

which two statements are correct?

Which statement is correct?