Resources in the World Wide Web and other services are named by URLs. What do the initials URL denote? Give examples of three different sorts of web resources that can be named by URLs.

To convert the word SNOWMAN to snowman, use the ________ function

Fill in the blank(s) with the appropriate word(s).

Which of the following JPA-related statements is false?

a. You can update an existing entity by modifying its entity object in the context of a transaction. b. Once a transaction is committed, the changes to the entity are saved to the database. c. You can delete an existing entity. d. When you commit a transaction the entity is kept as a backup in the database.