Discuss How a firewall helps in the prevention of network attacks

All of the following are characteristics that must be contained in any knowledge representation scheme except

Explain the importance of html in web page designing in 20 sentences..

Write a program that reads a set of floating-point values. ask the user to enter the values, then print • the average of the values. • the smallest of the values. • the largest of the values. • the range, that is the difference between the smallest and largest. of course, you may only prompt for the values once.