The constant null can be used as the value of a reference to any type of object.

Which of the following type of hackers hacks into systems to cause harm or steal data?

a. White hat b. Gray hat c. Green hat d. Black hat

A network technician is building a network for a small office. The office currently has cable TV and now requires access to the Internet without adding any cabling other than what is already in place. Which of the following solutions should the technician install to meet these requirements?

A. DOCSIS modem B. Wireless router C. DSL modem D. Access point