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 common type of cyberattack that involves sending a large volume of traffic to a website or server to overwhelm it?
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Phishing
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DDoS attack
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SQL injection
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Cross-site scripting (XSS)
B
Correct answer
Explanation
A DDoS attack (Distributed Denial of Service attack) involves sending a large volume of traffic to a website or server to overwhelm it and make it unavailable to legitimate users.
Which of the following is a common type of cyberattack that involves tricking a user into clicking a malicious link or opening a malicious attachment?
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Phishing
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DDoS attack
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SQL injection
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Cross-site scripting (XSS)
A
Correct answer
Explanation
Phishing is a type of cyberattack that involves tricking a user into clicking a malicious link or opening a malicious attachment, often disguised as legitimate, to steal sensitive information such as passwords or financial data.
What is the process of simulating a cyberattack on a system to identify vulnerabilities and weaknesses known as?
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Penetration testing
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Vulnerability assessment
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Risk assessment
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Incident response
A
Correct answer
Explanation
Penetration testing involves simulating a cyberattack on a system to identify vulnerabilities and weaknesses that could be exploited by attackers.
Which of the following is a common type of cyberattack that involves injecting malicious code into a legitimate website or application?
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Phishing
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DDoS attack
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SQL injection
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Cross-site scripting (XSS)
D
Correct answer
Explanation
Cross-site scripting (XSS) is a type of cyberattack that involves injecting malicious code into a legitimate website or application, allowing an attacker to execute malicious scripts in a user's browser.
What is the process of responding to and recovering from a security incident known as?
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Incident response
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Vulnerability assessment
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Risk assessment
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Penetration testing
A
Correct answer
Explanation
Incident response is the process of responding to and recovering from a security incident, including containing the incident, eradicating the threat, and restoring normal operations.
Which of the following is a common type of cyberattack that involves exploiting a vulnerability in software to gain unauthorized access to a system?
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Phishing
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DDoS attack
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SQL injection
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Buffer overflow
D
Correct answer
Explanation
A buffer overflow is a type of cyberattack that involves exploiting a vulnerability in software to gain unauthorized access to a system by overflowing a buffer with more data than it can hold.
What is the process of encrypting data before transmitting it over a network known as?
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Encryption
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Decryption
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Hashing
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Salting
A
Correct answer
Explanation
Encryption is the process of converting data into a form that cannot be easily understood or accessed without a key or password.
Which of the following is a common type of cyberattack that involves exploiting a vulnerability in a web application to gain unauthorized access to data or execute malicious code?
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Phishing
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DDoS attack
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SQL injection
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Cross-site scripting (XSS)
C
Correct answer
Explanation
SQL injection is a type of cyberattack that involves exploiting a vulnerability in a web application to gain unauthorized access to data or execute malicious code by injecting malicious SQL statements into input fields.
What is the process of converting data into a form that cannot be easily understood or accessed without a key or password known as?
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Encryption
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Decryption
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Hashing
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Salting
A
Correct answer
Explanation
Encryption is the process of converting data into a form that cannot be easily understood or accessed without a key or password.
Which of the following is a common type of cyberattack that involves exploiting a vulnerability in a network protocol to gain unauthorized access to a system?
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Phishing
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DDoS attack
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Man-in-the-middle attack
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Cross-site scripting (XSS)
C
Correct answer
Explanation
A man-in-the-middle attack is a type of cyberattack that involves exploiting a vulnerability in a network protocol to gain unauthorized access to a system by intercepting and modifying communications between two parties.
How do streaming services ensure the security and privacy of user data?
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Encryption
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Multi-factor authentication
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Data anonymization
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All of the above
D
Correct answer
Explanation
Streaming services employ a combination of encryption, multi-factor authentication, and data anonymization to protect user data and privacy.
Which of the following is a common type of Cybersecurity Information Sharing?
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Threat intelligence sharing.
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Vulnerability information sharing.
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Best practices sharing.
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Incident response sharing.
A
Correct answer
Explanation
Threat intelligence sharing involves the exchange of information about emerging threats, attack methods, and threat actors among organizations to enhance their collective security posture.
Which of the following is an example of a successful Cybersecurity Information Sharing initiative?
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The Cybersecurity Information Sharing Act (CISA) in the United States.
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The European Union's Network and Information Security (NIS) Directive.
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The Information Sharing and Analysis Center (ISAC) model.
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The National Cybersecurity and Communications Integration Center (NCCIC) in the United States.
C
Correct answer
Explanation
The Information Sharing and Analysis Center (ISAC) model is a successful example of Cybersecurity Information Sharing, where industry sectors establish collaborative platforms to share threat intelligence, best practices, and incident response information.
Which of the following is a common type of Cybersecurity Information Sharing platform?
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Threat intelligence platforms.
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Vulnerability databases.
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Incident response platforms.
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Best practices repositories.
A
Correct answer
Explanation
Threat intelligence platforms are commonly used for Cybersecurity Information Sharing, enabling organizations to collect, analyze, and share information about emerging threats, attack methods, and threat actors.
Which of the following is a key element of effective Cybersecurity Information Sharing?
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Establishing clear and transparent information sharing policies.
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Implementing robust data protection and privacy measures.
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Fostering a culture of trust and collaboration among participating organizations.
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Developing standardized data formats and protocols for information sharing.
C
Correct answer
Explanation
Fostering a culture of trust and collaboration among participating organizations is crucial for effective Cybersecurity Information Sharing, as it encourages open communication, information exchange, and mutual support in addressing cybersecurity challenges.