In a binary tree,
A) there must be at most one node with no predecessor
B) there may be at most two nodes with no predecessor
C) there may be any number of nodes with no predecessor
D) there must be exactly one node with no predecessor
A) there must be at most one node with no predecessor
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Match the following parts of the Excel window with their description
I. Formula Bar II. Sheet tab III. Status bar IV. New sheet button V. Share button A. Indicated by a + (plus sign) B. Permits entry or editing C. Identifies the worksheet in the workbook D. Where you can save your file to the cloud E. Displays items such as the current cell mode
In the Tim Lloyd logic bomb attack on Omega Engineering, what type of vulnerability was the existence of the user, "12345," an example of?
What will be an ideal response?