Why are iterators useful? Select one:
a. Iterators prevent infinite loops
b. Iterators are easier to loop over than a while loop
c. Iterators walk down a collection faster than a for loop.
d. Iterators give you direct access to private variables.
e. Improve information hiding by not revealing how a collection class is implemented

Eva has many contacts on the professional networking site she uses which contacts are considered second degree

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?

My has been slow anyone else’s ?