What does a derived class automatically inherit from the base class?

An administrator wants to prevent users from plugging in their personal laptops and accessing the Internet without a member of the IT staff configuring the machine first. Which of the following would MOST likely be installed?

A. Multilayer switch B. CSU C. Proxy server D. IDS

In JPA transaction processing, if the operations execute successfully, you call EntityTransaction method _______ to commit the changes to the database. If any operation fails, you call EntityTransaction method ________ to return the database to its state prior to the transaction.

a. apply, rollback b. commit, restore c. apply, restore d. commit, rollback