C845 Information Systems Security
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Free C845 Information Systems Security Questions
Which of the following statements illustrates the importance of the LAN-to-WAN domain to an organization's security?
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The significance of the LAN is that it controls network traffic to the private network, which is the WAN.
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The LAN-to-WAN Domain is many organizations' connection to the Internet.
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Many organizations have an internet presence so they can deliver content to their clients.
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The LAN needs to establish a secure connection to the WAN to ensure that traffic is thoroughly inspected and carefully filtered.
Explanation
Explanation:
The LAN-to-WAN domain is critical because it represents the interface between an organization’s private network (LAN) and external networks such as the Internet (WAN). Establishing a secure connection ensures that all inbound and outbound traffic is properly inspected, monitored, and filtered to prevent unauthorized access, malware, and data breaches. This domain is essential for maintaining network security while enabling connectivity and communication with external resources.
Correct Answer:
The LAN needs to establish a secure connection to the WAN to ensure that traffic is thoroughly inspected and carefully filtered.
What does the term 'system vulnerabilities' refer to?
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System features that enhance security.
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Exploitable bugs or weaknesses in the operating system and other system software.
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The strength of the cloud platform.
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User errors within the system.
Explanation
Explanation:
System vulnerabilities are flaws, bugs, or weaknesses in an operating system, software, or applications that can be exploited by attackers to compromise security. These vulnerabilities may arise from coding errors, misconfigurations, or design flaws and can allow unauthorized access, data breaches, or other malicious activities. Identifying and addressing system vulnerabilities is essential for maintaining the confidentiality, integrity, and availability of information systems.
Correct Answer:
Exploitable bugs or weaknesses in the operating system and other system software
The Remote Access Domain of a typical IT infrastructure allows ___________ to access the _________ network.
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Workers, encrypted
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Customers, public
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Users, common
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Remote users, private
Explanation
Explanation:
The Remote Access Domain provides secure connectivity for remote users, such as employees or authorized personnel, to access an organization’s private internal network from external locations. This access is typically achieved through secure channels such as Virtual Private Networks (VPNs) that use encryption to protect data transmitted over public networks. This domain is crucial for enabling flexible work environments while maintaining the confidentiality and security of organizational resources.
Correct Answer:
Remote users, private
In regard to information security, what is availability?
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Ensuring a resource is accessible to authorized users
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The condition of the contents of the object
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Ensuring users only use an asset or object in the manner it was intended
Explanation
Explanation:
Availability in information security refers to ensuring that authorized users have timely and reliable access to resources, systems, and information when needed. It is one of the core principles of the CIA Triad (Confidentiality, Integrity, Availability) and focuses on minimizing downtime, maintaining operational continuity, and providing access to critical services. Availability does not pertain to content accuracy or authorized usage methods but specifically addresses the accessibility of resources.
Correct Answer:
Ensuring a resource is accessible to authorized users
Which of the following is the most important factor affecting risk management in an organization?
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The risk manager's expertise
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Regulatory requirements
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Board of directors' expertise
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The organization's culture
Explanation
Explanation:
An organization’s culture is the most important factor affecting risk management because it shapes attitudes, behaviors, and decision-making processes related to security and risk awareness. A strong culture of risk awareness encourages employees at all levels to follow policies, report incidents, and take proactive steps to mitigate threats. While regulatory requirements, risk manager expertise, and board oversight are important, the culture ultimately determines how effectively risk management practices are implemented and adhered to across the organization.
Correct Answer:
The organization's culture
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
What is the primary function of cryptography in the realm of information security?
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To enhance the speed of data transmission
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To ensure the authenticity of data sources
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To protect data from unauthorized access and ensure confidentiality
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To facilitate data recovery after a loss
Explanation
Explanation:
Cryptography is the practice of securing information by transforming it into an unreadable format (ciphertext) that can only be accessed or interpreted by authorized parties with the proper decryption key. Its primary function is to protect data from unauthorized access, maintain confidentiality, and ensure secure communication. Cryptography also supports integrity and authentication, helping prevent tampering and verifying the identity of data sources, but its main purpose centers on confidentiality and security rather than speed or data recovery.
Correct Answer:
To protect data from unauthorized access and ensure confidentiality
Which of the following best describes the nature of confidential information in an organizational context?
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Data that is publicly available and can be shared freely
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Information that is sensitive and requires restricted access to protect its integrity
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Any data that is stored electronically
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Information that is only relevant to the IT department
Explanation
Explanation:
Confidential information refers to sensitive organizational data that requires restricted access to ensure its integrity, confidentiality, and proper use. This can include financial records, intellectual property, personnel files, and strategic plans. Protecting confidential information prevents unauthorized disclosure, misuse, or compromise, which could result in legal, financial, or reputational damage for the organization.
Correct Answer:
Information that is sensitive and requires restricted access to protect its integrity
The classification of data serves the following purposes:
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Provide a means to label data with CIA requirements
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Provide a method to restrict data use
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Provide a method to align protection and asset value associated with data
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Provide a means of marking data based on its sensitivity
Explanation
Explanation:
Data classification is the process of categorizing information based on its sensitivity, value, and impact on the organization if disclosed or compromised. By classifying data, organizations can align security measures and protections with the importance and criticality of the data, ensuring that more sensitive information receives higher levels of protection. Classification also guides access controls, handling procedures, and compliance efforts, making it a central component of information security management.
Correct Answer:
Provide a method to align protection and asset value associated with data
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
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