With JPA, as part of a persistence unit, the IDE also creates a ________ package in the Source Packages folder.

Which is not a security threat for WLANs?

A) Warchalking B) Rogue access point C) Wardialing D) WEP and WPA security cracking

Steve, a graphics designer, uses a dual core system for work. He uses different types of photo editing software that have slowed down the processing speed of his computer. He believes rearranging data on the hard drive will help the computer work faster. Which of the following processes can help improve the computer's efficiency??

A. ?Optimization B. ?Virtualization C. ?Emulation D. ?Segmentation