C845 Information Systems Security
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Free C845 Information Systems Security Questions
Why do many major corporations actively encourage ethical behavior?
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Unethical behavior always reduces profits.
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Unethical behavior can quickly destroy a business.
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Unethical acts are always illegal.
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Unethical behavior always leads to a reduction in profits.
Explanation
Explanation:
Major corporations encourage ethical behavior because unethical practices can rapidly damage a company’s reputation, lead to legal penalties, erode customer trust, and ultimately threaten the viability of the business. While not all unethical acts are illegal or immediately impact profits, they can create long-term risks that compromise stakeholder confidence and operational stability. Promoting ethics helps ensure sustainable growth, legal compliance, and positive public perception.
Correct Answer:
Unethical behavior can quickly destroy a business
What is the primary purpose of implementing an IT Security Policy Framework within an organization?
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To ensure compliance with all legal regulations
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To establish a comprehensive set of security policies and procedures
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To eliminate all potential security threats
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To provide training for all employees on security practices
Explanation
Explanation:
An IT Security Policy Framework is designed to provide a structured and comprehensive set of policies and procedures that guide how an organization manages and protects its information assets. It establishes standards, roles, responsibilities, and processes to maintain security across the organization. While compliance, threat reduction, and training may be components of a framework, the primary purpose is to formalize and organize security policies to ensure consistent and effective protection of information systems.
Correct Answer:
To establish a comprehensive set of security policies and procedures
What is the primary purpose of using cryptographic techniques in information systems security?
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To enhance system performance
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To protect data confidentiality and integrity
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To simplify user authentication
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To eliminate all security risks
Explanation
Explanation:
Cryptographic techniques are fundamental to information systems security because they ensure that data remains confidential, authentic, and unaltered during storage or transmission. Encryption protects the confidentiality of information by making it unreadable to unauthorized users, while hashing and digital signatures help maintain data integrity and authenticity. Although cryptography can support authentication mechanisms, its primary purpose is to safeguard data from unauthorized access and tampering, not to improve system performance or completely eliminate risks.
Correct Answer:
To protect data confidentiality and integrity
Which of the following is a prevalent vulnerability associated with the LAN-to-WAN domain that can be exploited by attackers?
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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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User training programs
Explanation
Explanation:
In the LAN-to-WAN domain, which connects internal networks to external networks, weak authentication mechanisms are a common vulnerability. Attackers can exploit poorly implemented or easily guessable authentication to gain unauthorized access to network resources. Strong encryption protocols, regular software updates, and user training programs serve as protective measures rather than vulnerabilities. Therefore, weaknesses in authentication present the greatest risk in this domain.
Correct Answer:
Weak authentication mechanisms
What is the definition of Risk in Information Security?
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Risk = Probability x Impact
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Risk = Impact x Threat
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Risk = Threat x Probability
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Risk = Financial Impact x Probability
Explanation
Explanation:
In information security, risk is commonly defined as the potential for loss or damage when a threat exploits a vulnerability. It is quantified as the product of the probability of a security incident occurring and the impact or consequence of that incident. This formula helps organizations prioritize and manage risks effectively, allowing them to implement appropriate controls based on the likelihood and severity of potential security events.
Correct Answer:
Risk = Probability x Impact
What are malicious attempts to access or damage a computer system?
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digital trust
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downtime
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cyberattacks
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ediscovery
Explanation
Explanation:
Cyberattacks are deliberate and malicious attempts to access, disrupt, or damage computer systems, networks, or data. These attacks can take various forms, including malware, phishing, ransomware, and denial-of-service attacks, and they threaten the confidentiality, integrity, and availability of information systems. Cyberattacks differ from downtime, which refers to system unavailability, and from digital trust or eDiscovery, which relate to security confidence and legal data retrieval, respectively.
Correct Answer:
cyberattacks
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
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
Denial of Service (DoS) attacks: what are they?
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Overwhelming a system to make it unusable.
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Gaining unauthorized access to data.
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Encrypting data and demanding a ransom
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Physically damaging hardware
Explanation
Explanation:
A Denial of Service (DoS) attack is a cyberattack designed to make a system, network, or service unavailable to its intended users by overwhelming it with excessive requests or traffic. The attack’s primary goal is disruption rather than data theft or modification. DoS attacks can cause downtime, service interruptions, financial losses, and reputational damage, and they do not involve encrypting data or physically damaging hardware.
Correct Answer:
Overwhelming a system to make it unusable.
What is the primary purpose of establishing a Recovery Time Objective (RTO) in information systems security?
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To determine the maximum allowable downtime for a system after a disruption
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To identify the critical assets that need protection
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To assess the financial impact of a data breach
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To classify data based on its sensitivity
Explanation
Explanation:
The Recovery Time Objective (RTO) defines the maximum acceptable duration that a system, application, or business process can remain non-operational after a disruption. Establishing an RTO helps organizations plan disaster recovery strategies, allocate resources, and implement measures to restore operations within the defined timeframe. It is a critical component of business continuity planning, focusing on minimizing downtime and ensuring operational resilience.
Correct Answer:
To determine the maximum allowable downtime for a system after a disruption
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