Which of the following is designed to alter system files and utilities on a victim’s system with the intention of changing the way a system behaves? a. rootkit b. virus c. worm d. trojan

Option(A) is correct.

Explanation:

Rootkit is a concatenation of the words "root" and "kit". A rootkit is considered as a set of software, usually malevolent. These are created in order to facilitate entry to a desktop or laptop or in general a PC and also fields of software that are alternatively permitted and often hide its presence or existence of other.

the question deals with financial planning and the answer is that dan did not stay on budget due to the fact that this guy needs to start decreasing his discretionary spending. according to the financial plan, he needed to balance his expenses and resources.

two jet streams that directly affect the formation of weather in the continental part are a polar jet and a subtropical jet. they are responsible for the transportation of weather systems, which directly affect people. the polar front is the boundary between cold air from the north pole and warmer equatorial air. both the polar jet and the subtropical jet blow from the west to the east, and follow the boundary between cold and warm air.

the strongest jet streams are polar jets, while subtropical jets are somewhat weaker.

the right answer is c. the polar jet stream is generaly stronger than the subtropical jet stream.