Explain the two logical requirements that a data security solution has to satisfy.
What will be an ideal response?
A data security solution has to satisfy two logical requirements. First, the protection has to be complete, in the sense that everything that requires assurance is secured. Otherwise attackers could just waltz through the holes in the defense without detection. Second, the assurance safeguards themselves have to be provably correct and effective. A non-working or ineffective countermeasure control is useless. The first principle implies the need for a comprehensive, top-down approach to ensure that all logical bases have been touched in developing the security scheme. The second requires the organization to adopt a process that ensures that the personnel and technical controls employed to ensure data security are, and continue to remain, effective.
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The _____________ is used to catch an exception.
A. try clause B. exception clause C. catch clause D. exception catcher
Returns the value or the reference to a value within a range based on X and Y coordinates
A) DSUM B) INDEX C) PPMT D) IPMT
Which of the following tools is best suited for comparing the effects of two variables on a formula?
A) Goal Seek B) One-variable data table C) Two-variable data table D) Solver
Which of the following conveys meaning and is useful to users?
A. Data B. Information C. Input D. Output