In Excel, a number can contain the characters ____.

The sending of a phony email that pretends to be from a credit-card company or back, luring you to a website that attempts to obtain confidential information from you, is called

A. spoofing B. phishing C. spamming D. key logging E. cookies

A company has a wired bus topology and a client accidentally unplugs the network cabling to their computer. Which of the following is true about the company's network?

A. It will function properly once all affected PCs are rebooted and authenticateto the network. B. It will function with no downtime. C. It will function with minimal downtime. D. It will not function properly until the wires are reconnected