Guarding Against Viruses
{"Image DocumentName": "Guarding Against Viruses", "Image ImageDescription": "Signature-based scanners look for particular virus patterns or signatures and alert the user. Terminate-and-stay-resident programs run in the background constantly watching for viruses and their actions. Multi-level generic scanning is a combination of antivirus techniques including intelligent checksum analysis and expert system analysis. Data Communications & Computer Networks: A Business User s Approach, Third Edition.", "Image XResolution": "37", "Image YResolution": "37", "Image ResolutionUnit": "Pixels/Centimeter", "Image Software": "SlidePlayer", "Image YCbCrPositioning": "Centered"}