The NOW function is ________, meaning that it will update automatically each time the workbook is opened

Which of the following is a worm that used several infection mechanisms including Unicode file traversal?

a. Code Red b. Nimba c. Sasser d. My Doom

Which of the following firewalls is similar to application gateways, but is more secure and often implemented on high-end equipment?

A) Circuit level gateway firewalls B) Stateful inspection firewalls C) Packet filtering firewalls D) Router firewalls