MCQ on Cyber Safety and Cyber Crime – Computer GK
Useful and informative MCQ on Cyber Safety and Cyber Crime – Computer GK that include topics like Cyber Safety, Safely Browsing The Web, Private Browsing, Anonymous Browsing, Confidentiality of Information, Cyber Crime – Cyber Trolls, Cyber Bullying, Cyber Stalking, Online Fraud, Scams, Information Theft, etc.
These MCQ on Cyber Safety and Cyber Crime – Computer GK are very helpful for competitive exams such as CPCT, GATE, IES/ESE, IBPS PO, IBPS Clerk, SBI PO, SBI Clerk, RBI, SEBI, LIC, NICL, BCA, B.Sc. IT, DCA, SSC, RRB, NIELIT CCC, CTET, UDC NET, CUET, MCA, PGDCA, MCS, TET, State Police, BPO, etc.
These MCQ on Cyber Safety and Cyber Crime – Computer GK have correct answers and brief explanations of each question for better understanding.
Q1. What is the primary goal of cybersecurity?
a) Protecting hardware
b) Protecting software
c) Protecting data
d) All of the above
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Correct Answer: d) All of the above
Explanation: The primary goal of cybersecurity is to protect internet-connected systems, including hardware, software, and data, from cyber attacks. This involves implementing various security measures to prevent unauthorized access, use, disclosure, disruption, modification, or destruction of information. Cybersecurity aims to ensure the confidentiality, integrity, and availability of information, as well as to maintain the privacy and security of individuals and organizations.
Q2. Which of the following is a common type of cyber attack?
a) Phishing
b) Ransomware
c) DDoS attack
d) All of the above
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Correct Answer: d) All of the above
Explanation: Phishing, ransomware, and DDoS attacks are all common types of cyber attacks. Phishing involves sending fraudulent emails or messages to trick recipients into revealing sensitive information or downloading malicious software. Ransomware is a type of malware that encrypts a victim’s data and demands payment for its release. DDoS (Distributed Denial of Service) attacks involve overwhelming a target system or network with a flood of traffic, rendering it inaccessible to legitimate users.
Q3. What is the primary purpose of a firewall in cybersecurity?
a) Monitoring network traffic
b) Blocking unauthorized access
c) Encrypting data
d) Detecting malware
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Correct Answer: b) Blocking unauthorized access
Explanation: A firewall is a security system that monitors and controls incoming and outgoing network traffic based on predetermined security rules. Its primary purpose is to block unauthorized access to or from a private network while allowing authorized traffic to pass through. Firewalls can be implemented as hardware, software, or a combination of both and are an essential component of a comprehensive cybersecurity strategy.
Q4. Which of the following is an example of social engineering?
a) Brute force attack
b) SQL injection
c) Phishing
d) Cross-site scripting
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Correct Answer: c) Phishing
Explanation: Social engineering is the manipulation of individuals into divulging confidential information or performing actions that compromise security. Phishing is a common example of social engineering, where attackers send fraudulent emails or messages to trick recipients into revealing sensitive information, such as login credentials or financial data, or downloading malicious software. Other examples of social engineering include pretexting, baiting, and tailgating.
Q5. What is the primary goal of encryption in cybersecurity?
a) Ensuring data integrity
b) Ensuring data availability
c) Ensuring data confidentiality
d) Ensuring data authenticity
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Correct Answer: c) Ensuring data confidentiality
Explanation: Encryption is the process of converting plaintext data into ciphertext, which is unreadable without the appropriate decryption key. The primary goal of encryption in cybersecurity is to ensure data confidentiality by protecting sensitive information from unauthorized access and disclosure. Encryption is used to secure data at rest (e.g., stored on a hard drive) and data in transit (e.g., transmitted over a network), as well as to authenticate users and verify the integrity of messages.
Q6. What is the primary purpose of a VPN (Virtual Private Network)?
a) Speeding up internet connections
b) Bypassing content restrictions
c) Securing data transmission
d) Detecting malware
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Correct Answer: c) Securing data transmission
Explanation: A VPN (Virtual Private Network) is a technology that creates a secure, encrypted connection between a user’s device and a remote server, allowing the user to send and receive data over the internet as if they were directly connected to a private network. The primary purpose of a VPN is to secure data transmission by preventing unauthorized access, eavesdropping, and tampering. VPNs can also be used to bypass content restrictions and maintain user privacy by masking the user’s IP address.
Q7. What is the primary goal of two-factor authentication (2FA)?
a) Simplifying the login process
b) Strengthening password security
c) Reducing the risk of unauthorized access
d) Encrypting data
Show Answer
Correct Answer: c) Reducing the risk of unauthorized access
Explanation: Two-factor authentication (2FA) is a security measure that requires users to provide two separate forms of identification to verify their identity when accessing a system or service. This typically involves something the user knows (e.g., a password) and something the user has (e.g., a physical token or a one-time code sent to their mobile device). The primary goal of 2FA is to reduce the risk of unauthorized access by making it more difficult for attackers to gain access to a user’s account, even if they have obtained the user’s password.
Q8. What is the primary purpose of a digital signature?
a) Encrypting data
b) Verifying the sender’s identity
c) Ensuring data integrity
d) Both b) and c)
Show Answer
Correct Answer: d) Both b) and c)
Explanation: A digital signature is a cryptographic technique used to verify the authenticity and integrity of a digital message or document. It involves the use of a private key to sign the message and a public key to verify the signature. The primary purpose of a digital signature is to confirm the sender’s identity and ensure that the message has not been tampered with during transmission. Digital signatures are commonly used in electronic transactions, email communications, and software distribution to establish trust and prevent fraud.
Q9. What is the primary goal of a secure password?
a) Easy to remember
b) Short and simple
c) Resistant to guessing and cracking
d) Contains personal information
Show Answer
Correct Answer: c) Resistant to guessing and cracking
Explanation: The primary goal of a secure password is to be resistant to guessing and cracking attempts by attackers. A strong password should be unique, complex, and unpredictable, typically consisting of a combination of uppercase and lowercase letters, numbers, and special characters. It should also be long enough to increase the difficulty of brute force attacks and not contain easily guessable information, such as personal details or common words. Secure passwords help protect user accounts and sensitive data from unauthorized access.
Q10. What is the primary purpose of an intrusion detection system (IDS)?
a) Preventing unauthorized access
b) Monitoring network traffic for signs of potential attacks
c) Encrypting data
d) Authenticating users
Show Answer
Correct Answer: b) Monitoring network traffic for signs of potential attacks
Explanation: An intrusion detection system (IDS) is a security technology that monitors network traffic for signs of potential attacks, such as unauthorized access, malware, or policy violations. When suspicious activity is detected, the IDS generates alerts to notify security administrators, who can then take appropriate action to mitigate the threat. IDS can be deployed as a network-based system (NIDS), which monitors traffic across an entire network, or as a host-based system (HIDS), which monitors activity on a specific device. The primary purpose of an IDS is to provide visibility into network activity and help organizations detect and respond to security incidents more effectively.
More MCQ on Computer GK for Competitive Exams
- Introduction to Computer
- Basic Computer Organization
- Number Systems
- Computer Codes
- Processor and Memory
- Secondary Storage Devices
- Input and Output Devices
- Computer Software
- Flowchart and Computer Languages
- System Implementation
- Operating Systems
- Application Software Packages
- Business Data Processing
- Communications and Networks
- Internet Concepts and IoT
- Multimedia and File Extensions
- Classification of Computers
- Cyber Safety and Cyber Crime
- Computer Viruses and Security
- Basic Computer Shortcut Keys
- Shortcut Keys for Windows
- Shortcut Keys for MS Excel
- Shortcut Keys for MS Word
- Computer Abbreviations Set 1
- Computer Abbreviations Set 2
- Computer Abbreviations Set 3
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