To remove a node with a positive index k from a linked list,
A) decrement k by 1, and set the reference to the node to be removed to null
B) start a reference r at the head of the list, walk r forward k steps, and then set r to null
C) assign the successor reference in the node with index k to the successor reference in the node with index k-1
D) decrement k by 1, and then use recursion
C) assign the successor reference in the node with index k to the successor reference in the node with index k-1
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Which one of the following techniques can an attacker use to exploit a TOC/TOU vulnerability?
A. File locking B. Exception handling C. Algorithmic complexity D. Concurrency control
The most widely used SCP client is the command-line program ____________________, which is provided in many implementations of SSH.
Fill in the blank(s) with the appropriate word(s).