1.1.1.1. neeed some help answering these question :D

4.Explain each part of this DTD line:

5. Describe the difference in how XML data are accessed in a Document object (i.e., DOM-parsed) and via XPath. For example, describe how you would obtain the data item contained by a specific element in each case and what steps you would have to take or what knowledge would be required in each instance.

(This is meant to require a thorough, 1-2 paragraph, answer.)

6. Which of the four JDBC driver types is best? Why?

13.

By default, the methods associated with the Socket and ServerSocket classes in Java operate in a blocking mode. What does blocking mean in this context? How would non-blocking operations differ?

(This question is meant to require a short, 2-3 sentence, answer.)

19. In Java, how does object serialization differ from JavaBeans persistence?

20.

Order the steps of a server response to an RMI call

Question 20 options:

	marshall and send the return data to the client stub
	locate the remote object to be called
	capture the return value or exception
	call the desired method, passing it the parameters

23. true or false? Remote objects cannot be inserted into a HashSet because any method call on a remote object can result in a RemoteException being thrown, but the equals()and hashCode() methods are not allowed to throw exceptions.