Why is adding anti-virus software to the computer a smart maintenance practice? it encourages the user to clean the computer more often. it increases the chance for malware and trojan horses. it prevents and removes harmful files before they can damage the computer. it stops illnesses from attacking the computer or user.

Which action is good business etiquette? a. switching your cell phone off before you enter a meeting b. keeping your cell phone on low volume before you enter a meeting c. setting a pleasant ring tone on your cell phone before you enter a meeting d. setting a standard ringtone on your cell phone before you enter a meeting