Cyber Security MCQs

Computer

Cyber Security MCQs

Practice Cyber Security MCQs covering viruses, malware, phishing, hacking, firewall, antivirus and cybersecurity concepts with answers and explanations.

269
Total Questions

Practice Questions

Page 13 of 14
Question #241
What is the purpose of a vulnerability scanner?
A. To manage user accounts
B. To install security patches
C. To automatically identify security weaknesses in a system
D. To monitor network traffic
Discuss
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Correct Answer: Option C

Explanation:
A vulnerability scanner is a tool that automatically scans systems and networks to identify security weaknesses, such as unpatched software or misconfigurations.
This question belongs to: Computer Cyber Security
Question #242
Which of the following is a common security risk associated with IoT devices?
A. Lack of encryption
B. All of the above
C. Insecure firmware
D. Default passwords
Discuss
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Correct Answer: Option B

Explanation:
Internet of Things (IoT) devices often have default passwords, lack encryption, and have insecure firmware, making them vulnerable to cyber attacks.
This question belongs to: Computer Cyber Security
Question #243
What is the role of a certificate authority (CA) in cybersecurity?
A. To provide backup services
B. To manage network traffic
C. To issue and manage digital certificates
D. To encrypt data
Discuss
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Correct Answer: Option C

Explanation:
A Certificate Authority (CA) is a trusted entity that issues digital certificates, verifying the identity of entities and enabling secure communications.
This question belongs to: Computer Cyber Security
Question #244
Which of the following is a method to protect against social engineering attacks?
A. Using antivirus software
B. Security awareness training
C. Installing a firewall
D. Encrypting data
Discuss
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Correct Answer: Option B

Explanation:
Security awareness training educates employees about social engineering tactics, helping them recognize and avoid manipulation attempts.
This question belongs to: Computer Cyber Security
Question #245
What is the purpose of a network firewall in an organization?
A. To provide data backup
B. To enforce security policies by controlling network traffic
C. To manage user accounts
D. To detect and remove malware
Discuss
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Correct Answer: Option B

Explanation:
A network firewall enforces security policies by controlling traffic based on rules, preventing unauthorized access and protecting the network.
This question belongs to: Computer Cyber Security
Question #246
Which of the following is a type of malware that can record keystrokes?
A. Ransomware
B. Adware
C. Worm
D. Keylogger
Discuss
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Correct Answer: Option D

Explanation:
A keylogger is a type of malware that records every keystroke made on a device, capturing sensitive information like passwords and credit card numbers.
This question belongs to: Computer Cyber Security
Question #247
What is the purpose of a VPN in an organization?
A. To block all ads
B. To increase internet speed
C. To provide free internet
D. To provide secure remote access to the corporate network
Discuss
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Correct Answer: Option D

Explanation:
A VPN allows employees to securely access the corporate network from remote locations, encrypting data and protecting it from interception.
This question belongs to: Computer Cyber Security
Question #248
Which of the following is a common security risk associated with social media?
A. Oversharing personal information
B. Enabling privacy settings
C. Using strong passwords
D. Regularly updating passwords
Discuss
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Correct Answer: Option A

Explanation:
Oversharing personal information on social media can expose individuals to various risks, including identity theft, social engineering, and targeted attacks.
This question belongs to: Computer Cyber Security
Question #249
What is the purpose of a security control?
A. To manage employee schedules
B. To reduce the risk of a security breach
C. To install new software
D. To increase system performance
Discuss
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Correct Answer: Option B

Explanation:
Security controls are measures implemented to protect assets, reduce risks, and ensure the confidentiality, integrity, and availability of information.
This question belongs to: Computer Cyber Security
Question #250
Which of the following is a common method to protect against phishing?
A. Replying to all emails with personal information
B. Ignoring all security warnings
C. Verifying the legitimacy of emails before clicking links
D. Opening all email attachments
Discuss
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Correct Answer: Option C

Explanation:
Verifying the legitimacy of emails, checking sender addresses, and avoiding suspicious links are key methods to protect against phishing.
This question belongs to: Computer Cyber Security
Question #251
What is the role of a security administrator in an organization?
A. To develop software
B. To handle customer service
C. To implement and maintain security measures
D. To manage finances
Discuss
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Correct Answer: Option C

Explanation:
A security administrator is responsible for implementing, managing, and maintaining an organization's security measures to protect its information assets.
This question belongs to: Computer Cyber Security
Question #252
Which of the following is a type of cyber attack that involves stealing data from a system?
A. Man-in-the-middle
B. Denial-of-service
C. Data exfiltration
D. Phishing
Discuss
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Correct Answer: Option C

Explanation:
Data exfiltration is the unauthorized transfer of data from a system, often carried out by attackers to steal sensitive information.
This question belongs to: Computer Cyber Security
Question #253
What is the purpose of a security architecture?
A. To increase network speed
B. To manage user accounts
C. To design a framework for implementing security measures
D. To provide backup services
Discuss
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Correct Answer: Option C

Explanation:
Security architecture is the design of a framework of security controls and practices that protect an organization's information systems from threats.
This question belongs to: Computer Cyber Security
Question #254
What is the role of a security incident response team?
A. To develop software
B. To respond to and manage security incidents
C. To handle customer complaints
D. To manage human resources
Discuss
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Correct Answer: Option B

Explanation:
A security incident response team is responsible for preparing for, detecting, and responding to security incidents to minimize damage and ensure recovery.
This question belongs to: Computer Cyber Security
Question #255
Which of the following is a common security risk associated with remote work?
A. Unsecured home networks
B. Regular security updates
C. Use of VPNs
D. Use of strong passwords
Discuss
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Correct Answer: Option A

Explanation:
Remote work often involves using unsecured home networks, which can expose corporate devices and data to cyber threats without proper security measures like VPNs.
This question belongs to: Computer Cyber Security
Question #256
Which of the following is a type of malware that can hide its presence on a system?
A. Ransomware
B. Rootkit
C. Adware
D. Spyware
Discuss
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Correct Answer: Option B

Explanation:
A rootkit is a type of malware that is designed to hide deep within the operating system, concealing its presence and activities from detection tools.
This question belongs to: Computer Cyber Security
Question #257
What is the role of a security awareness program?
A. To manage network traffic
B. To increase system performance
C. To install security patches
D. To educate users about security risks and best practices
Discuss
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Correct Answer: Option D

Explanation:
A security awareness program educates users about various security risks, such as phishing and malware, and promotes best practices to protect against them.
This question belongs to: Computer Cyber Security
Question #258
Which of the following is a common type of attack against web applications?
A. Cross-site scripting (XSS)
B. Man-in-the-middle
C. Phishing
D. Denial-of-service
Discuss
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Correct Answer: Option A

Explanation:
Cross-site scripting (XSS) is a common attack that injects malicious scripts into web applications, exploiting vulnerabilities to steal data or hijack sessions.
This question belongs to: Computer Cyber Security
Question #259
Which of the following is a common technique used in malware distribution?
A. Firewalls
B. Antivirus software
C. Secure websites
D. Email attachments
Discuss
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Correct Answer: Option D

Explanation:
Malware is often distributed through email attachments, where users are tricked into opening malicious files that install malware on their systems.
This question belongs to: Computer Cyber Security
Question #260
What is the role of a security audit?
A. To handle customer complaints
B. To install new software
C. To manage user accounts
D. To evaluate the effectiveness of security controls
Discuss
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Correct Answer: Option D

Explanation:
A security audit is a systematic evaluation of an organization's security controls and policies to assess their effectiveness and identify areas for improvement.
This question belongs to: Computer Cyber Security

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