What are the three key players in DNS?

Which setting ensures that at least two lines of a paragraph appear at the top and bottom of every page?

A. Widow/Orphan control B. Keep lines together C. Keep with next D. Text wrapping

A message that is made to look as though it is coming from a trusted source but is not is called

A. a denial of service attack B. digital signature forging C. Internet protocol spoofing D. URL masquerading