When two parties communicate with each other using symmetric key encryption, how many keys are used in total?
A. Two at least
B. Two
C. One
D. One at least
C. One
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In the accompanying figure, item 3 points to the ____.
A. Aspect theme B. Dialog Box Launcher C. Mouse pointer D. Ribbon
Many Ribbon commands, galleries, and shortcut keys function as toggles or switches.
Answer the following statement true (T) or false (F)
Which of the following XPath expressions for relative paths refers to the parent of the context node?
A. ?. B. ?.. C. ?// D. ?../..
Which of the following statements is false?
a) Pointers should not be left uninitialized. b) When you use free to deallocate dynamically allocated memory, the pointer passed to free is set to NULL. c) Undefined behavior occurs when you attempt to use free to deallocate dynamic memory that was already deallocated d) Function malloc returns NULL if it’s unable to allocate the requested memory.