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    Question

    What is a key characteristic of a "full binary

    tree"?
    A Every node has at most one child. Correct Answer Incorrect Answer
    B All leaf nodes are at different levels. Correct Answer Incorrect Answer
    C Every node has either zero or two children. Correct Answer Incorrect Answer
    D The tree is always balanced. Correct Answer Incorrect Answer
    E The root node has no children. Correct Answer Incorrect Answer

    Solution

    A full binary tree (or proper/strict binary tree) is defined as a tree where every node has either 0 or 2 children.

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