_____ are mark-up code in an HTML document that tells the Web browser how to format the text when displaying it. B

CommView is an example of which of the following?

a. Key logger b. Packet sniffer c. Virus d. Tool for industrial espionage

Which of the following statements about MustInherit base classes is true?

a) MustInherit base classes may contain data. b) MustInherit base classes may not contain implementations of methods. c) MustInherit base classes must declare all methods as MustOverride. d) MustInherit base classes must declare all data members not given values as MustOverride.