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 cybersecurity practice involves regularly updating software and firmware to address vulnerabilities?
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Patch management
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Vulnerability assessment
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Risk management
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Incident response
A
Correct answer
Explanation
Patch management involves identifying, acquiring, and installing software and firmware updates to fix vulnerabilities and security flaws. It is a critical cybersecurity practice to prevent exploitation of known vulnerabilities by attackers.
Which cybersecurity measure involves restricting access to sensitive data and systems based on user roles and permissions?
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Multi-factor authentication
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Access control
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Encryption
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Vulnerability assessment
B
Correct answer
Explanation
Access control involves implementing mechanisms to restrict access to sensitive data and systems based on user roles, permissions, and authorization levels. It helps prevent unauthorized individuals from gaining access to confidential information and critical systems.
What is the primary goal of implementing encryption in cybersecurity?
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To improve network performance
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To enhance user experience
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To protect data confidentiality and integrity
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To comply with industry regulations and standards
C
Correct answer
Explanation
Encryption involves converting data into an unreadable format to protect its confidentiality and integrity. It ensures that unauthorized individuals cannot access or modify sensitive data, even if they gain possession of it.
Which cybersecurity practice involves continuously monitoring and analyzing network traffic to detect and respond to threats?
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Vulnerability assessment
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Risk management
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Security information and event management (SIEM)
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Incident response
C
Correct answer
Explanation
Security information and event management (SIEM) involves collecting, analyzing, and correlating security-related events and logs from various sources to detect and respond to security threats and incidents in a timely manner.
Which cybersecurity practice involves implementing physical security measures to protect manufacturing facilities and assets?
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Access control
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Encryption
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Vulnerability assessment
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Physical security
D
Correct answer
Explanation
Physical security measures include implementing access control systems, surveillance cameras, intrusion detection systems, and security guards to protect manufacturing facilities, equipment, and assets from unauthorized physical access, theft, and sabotage.
Which cybersecurity practice involves implementing measures to detect and prevent unauthorized access to manufacturing networks and systems?
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Multi-factor authentication
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Firewalls
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Intrusion detection systems (IDS)
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Vulnerability assessment
B
Correct answer
Explanation
Firewalls are network security devices that monitor and control incoming and outgoing network traffic based on predefined security rules. They help prevent unauthorized access to manufacturing networks and systems by blocking malicious traffic and suspicious connections.
Which of the following is NOT a common type of software vulnerability?
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Buffer overflow
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SQL injection
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Cross-site scripting (XSS)
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Denial of service (DoS)
D
Correct answer
Explanation
DoS attacks are not vulnerabilities in the software itself, but rather attacks that aim to disrupt the availability of the service.
What is the primary cause of buffer overflow vulnerabilities?
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Insufficient input validation
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Improper memory management
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Lack of encryption
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Weak authentication mechanisms
B
Correct answer
Explanation
Buffer overflow vulnerabilities occur when a program writes data beyond the allocated memory buffer, overwriting adjacent memory locations.
What is the primary goal of cross-site scripting (XSS) attacks?
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Stealing sensitive information
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Disrupting the availability of a service
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Executing malicious code on the victim's computer
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All of the above
C
Correct answer
Explanation
XSS attacks aim to inject malicious scripts into a web application, allowing the attacker to execute arbitrary code on the victim's computer.
Which of the following is a common defense mechanism against cross-site request forgery (CSRF) attacks?
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Use of anti-CSRF tokens
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Implementing same-origin policy
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Enforcing strict access control
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All of the above
D
Correct answer
Explanation
Using anti-CSRF tokens, implementing same-origin policy, and enforcing strict access control are all effective measures to prevent CSRF attacks.
Which of the following is a common type of security misconfiguration vulnerability?
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Default passwords
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Unnecessary privileges
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Lack of encryption
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All of the above
D
Correct answer
Explanation
Default passwords, unnecessary privileges, and lack of encryption are all examples of security misconfiguration vulnerabilities.
Which of the following is a common type of social engineering attack?
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Phishing
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Spear phishing
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Vishing
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All of the above
D
Correct answer
Explanation
Phishing, spear phishing, and vishing are all types of social engineering attacks that aim to trick individuals into divulging sensitive information or taking actions that compromise security.
Which of the following is a common type of network security vulnerability?
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Man-in-the-middle (MITM) attacks
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Denial of service (DoS) attacks
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Distributed denial of service (DDoS) attacks
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All of the above
D
Correct answer
Explanation
Man-in-the-middle (MITM) attacks, denial of service (DoS) attacks, and distributed denial of service (DDoS) attacks are all common types of network security vulnerabilities.
Which of the following is a common type of web application security vulnerability?
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SQL injection
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Cross-site scripting (XSS)
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Cross-site request forgery (CSRF)
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All of the above
D
Correct answer
Explanation
SQL injection, cross-site scripting (XSS), and cross-site request forgery (CSRF) are all common types of web application security vulnerabilities.
Which of the following is a common type of mobile security vulnerability?
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Malware
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Phishing
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Man-in-the-middle (MITM) attacks
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All of the above
D
Correct answer
Explanation
Malware, phishing, and man-in-the-middle (MITM) attacks are all common types of mobile security vulnerabilities.