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Which of the following is a characteristic of effective data encryption?A . Publicly available encryption keysB . Limited application to sensitive dataC . Protection against unauthorized access during transmissionD . Reduced performance of network systemsView AnswerAnswer: C Explanation: Effective encryption ensures data is protected during transmission, maintaining confidentiality and preventing...

Which of the following contributes to a loss of data availability?A . Unauthorized encryption by ransomwareB . Weak password policiesC . Secure data backupsD . Strong access control mechanismsView AnswerAnswer: A Explanation: Ransomware attacks encrypt data, rendering it inaccessible until the ransom is paid, thereby impacting availability.

What is a key benefit of using network segmentation?A . Improved system performanceB . Reduced impact of breaches on critical systemsC . Faster data backupsD . Enhanced physical securityView AnswerAnswer: B Explanation: Network segmentation limits the spread of attacks by isolating critical systems, reducing the overall impact of breaches.

What is a potential consequence of unpatched software vulnerabilities?A . Reduced encryption strengthB . Unauthorized system access by attackersC . Improved system speedD . Increased network redundancyView AnswerAnswer: B Explanation: Unpatched software vulnerabilities are exploited by attackers to gain unauthorized access to systems and data.

What is the most effective way to prevent brute-force attacks on passwords?A . Use firewalls to block trafficB . Require strong password policies and lockout mechanismsC . Encrypt all password filesD . Implement biometric authenticationView AnswerAnswer: B Explanation: Strong password policies and account lockout mechanisms reduce the likelihood of brute-force...

Which term refers to an unauthorized entity gaining access to sensitive data?A . Data breachB . Data maskingC . Data redundancyD . Data auditView AnswerAnswer: A Explanation: A data breach occurs when unauthorized individuals access sensitive information, violating confidentiality.

What is the first step in the process of installing antivirus software?A . Running a full system scan.B . Checking the system for existing malware.C . Downloading the software from a trusted source.D . Updating the software definitions.View AnswerAnswer: C Explanation: The installation process begins with downloading antivirus software from...

What is the key characteristic of ransomware attacks?A . Encrypting data to restrict access until a ransom is paid.B . Infecting systems with malicious spyware.C . Overloading systems with fake traffic.D . Intercepting communication between devices.View AnswerAnswer: A Explanation: Ransomware encrypts files, denying users access to their data until a...

What is an example of a loss of integrity?A . Inaccessible systems due to a DDoS attackB . Tampered financial transaction recordsC . Exposure of encrypted dataD . Unauthorized file downloadsView AnswerAnswer: B Explanation: A loss of integrity occurs when information is altered without authorization, as in the case of...

Why is regular security training important?A . To avoid compliance penaltiesB . To keep employees informed about evolving threatsC . To reduce encryption overheadD . To maintain software licensing requirementsView AnswerAnswer: B Explanation: Regular training helps employees recognize and respond to evolving cybersecurity threats, improving overall security posture.