Which of the following is an attack where the hacker inserts himself between instructions, introduces changes, and alters the order of execution of the instructions, thereby altering the outcome?
A. memory leak
B. bluesnarfing
C. race condition
D. integer overflow
C
Explanation: A race condition is an attack where the hacker inserts himself between instructions, introduces changes, and alters the order of execution of the instructions, thereby altering the outcome. A type of race condition is time of check to time of use. In this attack, a system is changed between a condition check and the display of the check's results.
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Which of the following is NOT true about enhancing a report with conditional formatting?
A) You can change the fonts and colors of fields only when certain conditions are met in the field. B) If a field value meets the conditions you specify, then the formatting will be applied. C) Conditional formatting is a useful tool to automatically highlight sales numbers on a report if they meet a certain threshold, or to highlight students' grades when they exceed a certain limit. D) Access determines the font color and font effects for the formatting.
The JDK command to compile a class in the file Test.java is
a. java Test b. java Test.java c. javac Test.java d. javac Test e. JAVAC Test.java