C845 Information Systems Security
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Free C845 Information Systems Security Questions
Which of the following is a prevalent vulnerability found in Local Area Networks (LANs)?
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Weak authentication mechanisms
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Strong encryption protocols
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Regular software updates
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Comprehensive network monitoring
Explanation
Explanation:
A common vulnerability in Local Area Networks (LANs) is weak authentication mechanisms. These weaknesses make it easier for unauthorized users to gain access to network resources, compromise devices, or intercept data. LAN environments often include many interconnected systems, so insufficient authentication controls—such as default passwords, lack of multi-factor authentication, or poorly managed credentials—pose significant risks. Strong encryption, regular software updates, and comprehensive monitoring strengthen network security rather than weaken it.
Correct Answer:
Weak authentication mechanisms
Which of the following BEST defines risk in IT?
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You have a vulnerability with a known active threat
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You have a threat with a known vulnerability
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You have a risk with a known threat.
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You have a threat with a known exploit
Explanation
Explanation:
In IT, risk is best defined as the potential for loss or damage when a threat exploits a vulnerability. The combination of a threat and a known vulnerability creates a risk that can impact assets, data, or operations. Identifying these elements allows organizations to assess the likelihood and potential impact, prioritize controls, and implement measures to mitigate risk effectively.
Correct Answer:
You have a threat with a known vulnerability
A threat is defined as ______.
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The amount of loss or damage that can be expected
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Any indication, circumstance, or event with the potential to cause the loss of or damage to an asset
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Moderate consequences resulting in loss of sensitive information
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A weakness that can be exploited
Explanation
Explanation:
In information security, a threat refers to any indication, circumstance, or event that has the potential to cause harm, loss, or damage to an organization’s assets. Threats can originate from human actions, system failures, or natural events and often exploit existing vulnerabilities to compromise security. Understanding threats helps in identifying potential risks and developing strategies to mitigate their effects. The term does not describe weaknesses or losses themselves but the potential cause of them.
Correct Answer:
Any indication, circumstance, or event with the potential to cause the loss of or damage to an asset
Which of the following best describes the act of eavesdropping in information systems security?
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A method of encrypting data to prevent unauthorized access
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The process of monitoring network traffic to detect anomalies
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The unauthorized interception of data during transmission over a network
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A technique used to enhance the integrity of transmitted information
Explanation
Explanation:
Eavesdropping in information systems security refers to the unauthorized interception or listening to data as it is transmitted over a network. This act allows attackers to capture sensitive information such as login credentials, personal data, or confidential communications without the knowledge of the sender or receiver. Eavesdropping poses significant threats to confidentiality and can occur on wired or wireless networks, highlighting the importance of encryption and secure communication protocols to prevent such breaches.
Correct Answer:
The unauthorized interception of data during transmission over a network
Which of the following statements about the availability concept of Information Security Management is true?
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Availability ensures that information is accurate and reliable.
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Availability ensures that information is accessible and usable when needed.
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Availability ensures that information is protected from unauthorized access and disclosure
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Availability ensures that information is stored securely and backed up regularly.
Explanation
Explanation:
Availability in Information Security Management refers to ensuring that authorized users can access and use information and resources when required. It is one of the three core principles of the CIA Triad, alongside confidentiality and integrity. Maintaining availability involves implementing measures such as redundancy, failover systems, and disaster recovery plans to prevent downtime and ensure continuous access to critical information.
Correct Answer:
Availability ensures that information is accessible and usable when needed
What is the primary role of an information security framework?
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To enforce security policies
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To specify the order of security control implementation.
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To guide the design, selection, and implementation of security controls
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To automate security assessments.
Explanation
Explanation:
An information security framework provides structured guidance for organizations to design, select, and implement security controls systematically. It establishes best practices, standards, and policies that help organizations manage risks, protect assets, and ensure compliance with regulatory requirements. Unlike enforcement or automation tools, the framework serves as a comprehensive blueprint for building an effective and consistent security posture.
Correct Answer:
To guide the design, selection, and implementation of security controls
In the realm of risk management, how is the term 'vulnerability' best defined?
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A flaw in a security system that prevents data access.
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An inherent weakness that can be exploited by a threat to compromise an asset.
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A measure of the effectiveness of security controls.
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A type of threat that targets information systems.
Explanation
Explanation:
In risk management, a vulnerability refers to an inherent weakness or flaw in a system, process, or control that can be exploited by a threat actor to compromise an asset. Vulnerabilities may exist in software, hardware, or human procedures and can lead to unauthorized access, data loss, or service disruption if not properly mitigated. Unlike threats, which are potential sources of harm, vulnerabilities represent the conditions that make an organization susceptible to attack. Identifying and addressing vulnerabilities is a key component of reducing overall risk.
Correct Answer:
An inherent weakness that can be exploited by a threat to compromise an asset
The responsibilities of the domain is to establish, maintain and troubleshoot all components of the remote access connection.
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LAN domain
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User domain
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Remote Access domain
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WLAN domain
Explanation
Explanation:
The Remote Access Domain is responsible for establishing, maintaining, and troubleshooting all aspects of remote connections, allowing authorized users to securely access the organization's private network from external locations. This domain ensures that remote access is properly configured, secure, and reliable, protecting data and systems from unauthorized access while supporting business continuity and productivity for remote workers.
Correct Answer:
Remote Access domain
Which of the following best describes server vulnerabilities in information technology security?
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Flaws in server hardware that prevent proper functioning.
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Weaknesses in server software or configurations that can be exploited by attackers.
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Features of server applications that enhance security.
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Protocols that ensure data integrity during transmission.
Explanation
Explanation:
Server vulnerabilities refer to weaknesses in server software, configurations, or applications that can be exploited by attackers to gain unauthorized access, disrupt services, or compromise data. These vulnerabilities may arise from misconfigurations, unpatched software, or flaws in server applications. Properly identifying and addressing server vulnerabilities is crucial to maintaining the security, integrity, and availability of IT infrastructure. Hardware flaws or security-enhancing features are not classified as vulnerabilities, and protocols that ensure data integrity are protective measures rather than weaknesses.
Correct Answer:
Weaknesses in server software or configurations that can be exploited by attackers
What is the main purpose of cryptography?
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To secure communication and protect information
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To create complex passwords
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To enhance internet speed
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To decode messages easily
Explanation
Explanation:
Cryptography is the practice of using mathematical techniques to secure communication and protect information from unauthorized access. It ensures confidentiality, integrity, authenticity, and non-repudiation of data, both in storage and during transmission. By converting plaintext into ciphertext, cryptography prevents attackers from understanding sensitive information without the proper decryption key. Its primary purpose is to safeguard information, not to create passwords, improve internet speed, or simplify decoding.
Correct Answer:
To secure communication and protect information
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