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computer security course

QUESTION 21 1. Answer one from the following questions: A. Acceptance of risk is the choice to do nothing to protect a vulnerability and to accept the outcome of its exploitation. Categories the thread identification based on people and software with examples and how does vulnerability identify from thread B. 1. How many bytes in State are affected by ShiftRows? Briefly describe ShiftRows. 2. Show the first eight words of the key expansion for a 128-bit key of all zeros