Which one of the following statements about fiber optic cable is true?
A) Multimode fiber can transmit a signal farther than single-mode.
B) It is susceptible to interference from EMI- or RFI-producing devices.
C) It is more expensive than other cable media.
D) Security is the poorest using fiber optic cable.
C
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Thread safety in JavaFX applications is achieved not by synchronizing thread actions, but by ensuring that programs manipulate the scene graph from only the JavaFX application thread. This technique is called ________.
a. thread restriction. b. scene graph confinement. c. thread confinement. d. None of the above.
This type of loop provides a convenient mechanism to iterate through every element of an array.
a. for each b. for c. do while d. while
Business managers usually maintain and update the RDBMS
Indicate whether the statement is true or false
User ____ enable an account or group to perform predefined tasks.
A. passwords B. roles C. services D. rights