Security Technology: Virus Scanners, Firewalls, VPN, IDS/IPS

Identifying signature or pattern of known viruses (correct)

Detecting unknown viruses through behavioral analysis

Preventing viruses from spreading within a system

Creating new algorithms to recognize viruses

By using specific algorithms and virus definitions/signatures (correct)

By analyzing the behavior of files in the system

By detecting anomalies in file sizes and properties

By employing data mining strategies and sandbox recognition

They are ineffective against unknown viruses (correct)

They can only detect viruses with specific behaviors

They often produce false positives and false negatives

They require constant updating to detect new viruses

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