Ethical Hacking Essentials Practice Test

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Study for the Ethical Hacking Essentials Test with a focus on key concepts in cybersecurity. Utilize flashcards and multiple choice questions with hints and detailed explanations. Prepare efficiently for your exam today!

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Which element of information security ensures that systems are accessible to authorized users when needed?

Confidentiality
Integrity
Availability
Authentication

The correct answer is: Availability

Availability is a key component of information security that focuses on ensuring that systems and data are accessible to authorized users whenever they need them. This means that critical information and resources should remain operational and accessible without unnecessary delays or downtime, allowing users to effectively carry out their tasks whenever required. Confidentiality pertains to protecting information from unauthorized access, ensuring that only those who are permitted can view or handle certain data. Integrity involves maintaining the accuracy and consistency of data over its lifecycle, making sure that it has not been altered or tampered with maliciously. Authentication is the process of verifying the identity of a user, ensuring that they are indeed who they claim to be before granting access to systems or data. While all of these elements are vital to a robust information security framework, availability specifically addresses the reliability of systems to be accessible to legitimate users at critical times, making it the correct answer in this context.