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A distributed denial-of-service (DDoS) attack primarily affects which aspect of security?A . IntegrityB . ConfidentialityC . AvailabilityD . AuthenticationView AnswerAnswer: C Explanation: DDoS attacks overload systems, making services unavailable to legitimate users, directly impacting availability.

What is a potential impact of a successful social engineering attack?A . Unauthorized data accessB . Network hardware failureC . System performance optimizationD . Improved compliance policiesView AnswerAnswer: A Explanation: Social engineering attacks trick individuals into revealing sensitive information, leading to unauthorized data access and breaches.

Which of the following are potential losses due to security attacks? (Choose two)A . Financial lossB . Reduced system performanceC . Increased regulatory oversightD . Damage to reputationView AnswerAnswer: A, D Explanation: Financial loss and damage to reputation are common outcomes of security breaches, affecting organizations severely.

Which of the following are potential impacts of a phishing attack? (Choose two)A . Unauthorized data accessB . System hardware damageC . Credential theftD . Improved network speedView AnswerAnswer: A, C Explanation: Phishing attacks can lead to unauthorized access by tricking users into sharing credentials or sensitive data.

Which element of security prevents unauthorized data modification?A . AvailabilityB . ConfidentialityC . IntegrityD . ScalabilityView AnswerAnswer: C Explanation: Integrity ensures that data remains unchanged and accurate, preventing unauthorized alterations or corruption.

Which two measures help maintain the availability of data during an attack?A . Data redundancy and failover systemsB . Strong passwords and encryptionC . Multi-factor authentication and hashingD . Firewalls and intrusion detection systemsView AnswerAnswer: A Explanation: Redundancy and failover systems ensure continuous access to data even during system failures...

Which of the following defines data security?A . A method of ensuring physical protection of data.B . Measures to safeguard data from unauthorized access or corruption.C . Techniques for data duplication and storage.D . Ensuring all systems are interconnected.View AnswerAnswer: B Explanation: Data security involves protecting data from unauthorized access,...

Which component is essential for mitigating phishing attacks?A . Spam filtersB . Advanced encryption methodsC . Physical security measuresD . Hardware-based firewallsView AnswerAnswer: A Explanation: Spam filters reduce the likelihood of phishing emails reaching users, thereby lowering the risk of compromise.

Which of the following can result in data availability loss?A . Unauthorized data encryption by attackersB . Accidental deletion of critical filesC . Prolonged hardware failureD . All of the aboveView AnswerAnswer: D Explanation: Data availability can be compromised by encryption attacks (e.g., ransomware), accidental deletions, or extended hardware failures.

What is the most effective way to mitigate risks associated with unpatched vulnerabilities?A . Encrypting sensitive data.B . Implementing a regular patch management process.C . Conducting monthly data audits.D . Limiting network bandwidth.View AnswerAnswer: B Explanation: Regularly applying patches addresses known vulnerabilities, reducing the risk of exploitation by attackers.