Which of the following is a characteristic of a denial-of-service (DoS) attack?

• A.An attacker attempts to gain unauthorized access to a system.
• B.An attacker steals or alters sensitive data.
• C.An attacker floods a system with excessive requests, rendering it unable to function properly.
• D.An attacker intercepts and modifies network traffic.

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Which of the following is a limitation of vulnerability databases?

• A.They may not include vulnerabilities discovered by malicious actors.
• B.They require minimal human effort for maintaining and updating.
• C.They provide real-time information on emerging threats.
• D.They cover all known vulnerabilities in every software and hardware.

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What is the purpose of encryption in network security?

• A.To monitor and detect network attacks
• B.To authenticate and authorize users
• C.To protect the confidentiality and integrity of data during transmission
• D.To prevent unauthorized physical access to network devices

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Which of the following is an example of a preventive control in computer operations?

• A.Backup and recovery procedures
• B.Firewall implementation
• C.Incident response planning
• D.Penetration testing

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What is the purpose of managing communication proactively before an event?

• A.To prevent and mitigate security incidents
• B.To monitor and analyze network traffic
• C.To update antivirus software and security patches
• D.To respond and recover from security incidents

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