3.7. Answers
B. Virus definitions are needed to ensure that your virus protection software knows about recent viruses. See "Updating virus definitions".
D. A Trojan virus is a piece of software that does something totally different than what the user expected when he installed the application. Review "Trojan horses".
C. A boot sector virus prevents a system from booting because it corrupts the boot sector. Check out "Types of viruses".
B. A macro virus is created in a programming language like VBA, which exists in the Microsoft Office suite. Peruse "Types of viruses".
C. Spyware is the type of malicious software that monitors Internet activity. Take a look at "Spyware and adware".
A. Adware is the type of malicious software that is responsible for creating pop-ups on your system. Peek at "Spyware and adware".
D. You should perform a Windows Update regularly to download current patches to your system. Look over "Windows Update".
C. WSUS can deploy updates to all systems on the network. Study "SUS and WSUS".
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