Cybersecurity Concepts

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What are virus signatures used for in antivirus software?

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Virus signatures are used to detect known viruses by matching patterns in files.

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What is the purpose of heuristics in antivirus software?

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Heuristics are used to identify potentially suspicious file content that may indicate a virus.

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What are some techniques for dealing with identified threats in antivirus software?

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Techniques include quarantining, deleting, or repairing infected files.

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What is packet filtering in firewalls?

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Packet filtering is a technique used to control network access by monitoring outgoing and incoming packets and allowing them to pass or halt based on the source and destination IP addresses, protocols, or ports.

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What does application layer awareness in firewalls mean?

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Application layer awareness allows firewalls to filter traffic based on the application data contained within packets, rather than just the packet headers.

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What are inbound and outbound rules in firewalls?

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Inbound and outbound rules are used to control the flow of traffic into and out of a network, determining which traffic is allowed or blocked.

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What is user authentication?

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User authentication is the process of verifying the identity of a user before granting access to a system or network.

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What are strong passwords?

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Strong passwords are complex and difficult to guess, typically containing a mix of letters, numbers, and symbols.

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What is biometric authentication?

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Biometric authentication uses unique biological characteristics, such as fingerprints or facial recognition, to verify a user's identity.

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What is two-step verification?

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Two-step verification is a security process in which the user provides two different authentication factors to verify themselves.