________ sets are named collections of related sets of information that are composed of separate elements

What Application-layer protocol resolves domain names to addresses?

What will be an ideal response?

When you used JPA in this chapter, you interacted with an existing database via classes that the NetBeans IDE generated from the database’s schema. You used the NetBeans Entity Classes from Database… option to add to your project classes that represented the database tables. Together, these classes and the corresponding settings are known as a ________ unit.

a. perseverance b. perpetual c. sticky d. persistence.