Some threats can manifest in multiple ways, yielding multiple exploits for an asset-threat pair. __________
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Some of the statements about separate compilation follow. Which are correct? Comment on all the answers in the explanation section, including the ones that are wrong.

a) Separate files are a big bother. There is no compelling advantage to separate files. b) Placing client and class implementations in separate files enhances project development. How? c) Separate files for interface and implementation enhance reuse. How? d) Separating interface and implementation can save considerable time. How?

Which of the following statements is false?

a. A JavaFX GUI is defined as a scene graph—a tree structure of an app’s visual elements, such as GUI controls, shapes, images, video, text and more. b. Each visual element in the scene graph is a node—an instance of a subclass of Node (package javafx.scene), which defines common attributes and behaviors for all nodes in the scene graph. c. The first node in the scene graph is known as the origin. d. Nodes that have children are typically layout containers that arrange their child nodes in the scene.