When an attack is designed to prevent authorized users from accessing a system, it is called what kind of attack?

Assume that there is a 4% rate of disk drive failure in a year. a. if all your computer data is stored on a hard disk drive with a copy stored on a second hard disk drive, what is the probability that during a year, you can avoid catastrophe with at least one working drive? b. if copies of all your computer data are stored on three independent hard disk drives, what is the probability that during a year, you can avoid catastrophe with at least one working drive?

How do you write an argumentative essay about the importance of free enterprise ?

Select all that apply. what two keys listed below should you use to enter data in an excel worksheet? tab backspace enter right arrow