Which of the following is the total length of time an essential business function can be unavailable without causing significant harm to the organization?

The first part of a URL, such as http:, indicates the set of rules, or ________, used to retrieve the specified document

A) protocol B) domain C) path D) browser

Methods that process String arguments as if they were numbers could possibly throw a/an _________ exception.

(a) NumberFormatException (b) NullPointerException (c) both a and b (d) none of the above