Computer Knowledge ยท General Awareness
Information Security
4,143 Questions
Information security involves protecting computer systems and data from unauthorized access, cyber threats, and damage. It is a core part of the computer knowledge section in various banking and government exams. Practicing these concepts helps in understanding digital signatures, network security, and access control effectively.
Cybersecurity threatsAccess controlCryptography basicsSecurity risk managementDatabase protection
Information Security Questions
Which of the following is a type of malware that encrypts files and demands a ransom payment to decrypt them?
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Virus
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Trojan horse
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Ransomware
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Worm
C
Correct answer
Explanation
Ransomware is a type of malware that encrypts files on a victim's computer and demands a ransom payment to decrypt them.
What is the term for a network of computers infected with malware and controlled by a single entity?
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Botnet
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Zombie network
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DDoS network
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Malware network
A
Correct answer
Explanation
A botnet is a network of computers infected with malware and controlled by a single entity, often used to launch cyberattacks or spread malware.
Which of the following is a common method used to protect sensitive data during transmission?
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Encryption
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Hashing
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Steganography
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Digital signature
A
Correct answer
Explanation
Encryption is a common method used to protect sensitive data during transmission by converting it into an unreadable format.
What is the term for a security measure that involves restricting access to certain resources or information based on specific criteria?
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Authentication
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Authorization
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Encryption
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Non-repudiation
B
Correct answer
Explanation
Authorization is a security measure that involves restricting access to certain resources or information based on specific criteria, such as user roles or permissions.
Which of the following is a type of cyberattack that involves flooding a target system or network with excessive traffic to disrupt its normal operation?
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Phishing
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Malware
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Denial-of-service (DoS)
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Man-in-the-middle (MitM)
C
Correct answer
Explanation
A denial-of-service (DoS) attack involves flooding a target system or network with excessive traffic to disrupt its normal operation.
What is the term for a security measure that involves monitoring and analyzing system logs and events to detect suspicious activities?
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Intrusion detection system (IDS)
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Firewall
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Antivirus software
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Security information and event management (SIEM)
A
Correct answer
Explanation
An intrusion detection system (IDS) is a security measure that involves monitoring and analyzing system logs and events to detect suspicious activities that may indicate a security breach.
Which of the following is a common type of security monitoring tool?
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Intrusion Detection System (IDS)
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Security Information and Event Management (SIEM)
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Vulnerability Scanner
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Penetration Testing Tool
B
Correct answer
Explanation
SIEM is a widely used security monitoring tool that collects, aggregates, and analyzes security-related events from various sources to provide a comprehensive view of an organization's security posture.
Which of the following is a common compliance auditing standard for cybersecurity?
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ISO 27001
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NIST Cybersecurity Framework
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PCI DSS
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HIPAA
Correct answer
Explanation
ISO 27001, NIST Cybersecurity Framework, PCI DSS, and HIPAA are widely recognized compliance auditing standards for cybersecurity.
Which of the following is a common type of cybersecurity audit?
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Internal Audit
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External Audit
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Compliance Audit
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Risk Assessment
Correct answer
Explanation
Internal Audit, External Audit, Compliance Audit, and Risk Assessment are common types of cybersecurity audits.
Which of the following is a common type of vulnerability assessment tool?
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Network Scanner
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Web Application Scanner
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Host-Based Scanner
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All of the above
D
Correct answer
Explanation
Network Scanner, Web Application Scanner, and Host-Based Scanner are common types of vulnerability assessment tools.
Which of the following is a common type of security monitoring tool?
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Log Management System
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Security Information and Event Management (SIEM)
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Intrusion Detection System (IDS)
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All of the above
D
Correct answer
Explanation
Log Management System, Security Information and Event Management (SIEM), and Intrusion Detection System (IDS) are common types of security monitoring tools.
Which of the following is a common type of cybersecurity audit?
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Financial Audit
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Operational Audit
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IT Audit
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All of the above
C
Correct answer
Explanation
IT Audit is a common type of cybersecurity audit that focuses on assessing the security of an organization's information technology systems and infrastructure.
Which of the following is NOT a common type of cyberattack?
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Phishing
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Malware
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DDoS
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Social engineering
C
Correct answer
Explanation
DDoS (Distributed Denial of Service) attacks are not a common type of cyberattack. Phishing, malware, and social engineering are more prevalent types of cyberattacks that target individuals or organizations.
Which of the following is NOT a good practice for protecting against phishing attacks?
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Hovering over links before clicking
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Enabling two-factor authentication
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Using a strong password
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Ignoring suspicious emails
D
Correct answer
Explanation
Ignoring suspicious emails is not a good practice for protecting against phishing attacks. Users should be cautious of emails from unknown senders, emails with suspicious attachments or links, and emails that request personal information.
What is the purpose of a firewall?
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To block unauthorized access to a network
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To detect and remove malware
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To encrypt data
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To back up data
A
Correct answer
Explanation
A firewall is a network security device that monitors and controls incoming and outgoing network traffic based on predetermined security rules. Its primary purpose is to block unauthorized access to a network.