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Cyber Security Quiz 11 (10 MCQs)

This set of multiple-choice questions evaluates understanding of network security, firewall functions, and cyber safety measures. It covers concepts such as asymmetric encryption, firewall configurations, and the prevention of unauthorized access. The material also assesses knowledge of cyber harassment, social media security, and online reputation management. Additionally, it tests comprehension of various cyber security threats, hacking methods, and digital risks, including interception and malicious activities.

Quiz Instructions

Select an option to see the correct answer instantly.

1. Which would make the best password?

Correct Answer: Correct answer is: (D) C4lif0rn4ia.

Exam Relevance: CISSP, CompTIA Security+, CEH

Difficulty: Moderate

Concept notes: A strong password should be complex, include a mix of characters, and be difficult to guess.

Common Mistakes: A common mistake is choosing a password that is too simple or easily guessable, such as common words or dates.

Explanations: The password "C4lif0rn4ia" is a strong choice because it includes a mix of uppercase and lowercase letters, numbers, and is not a common word or date. This complexity makes it harder for attackers to guess or crack using brute force methods.

Option Analysis:

Option A: "1492." is a simple number and easily guessable.
Option B: "Hello." is a common word and easily guessable.
Option C: "Sam." is a short, common name and easily guessable.
Option D: "C4lif0rn4ia." is a strong password due to its complexity and mix of characters.

2. Which statement describe "Hackers"?

Correct Answer: Correct answer is: (B) Break into other people's computers.

Exam Relevance: CISSP, CEH, CompTIA Security+

Difficulty: Easy

Concept notes: In the context of cyber security, hackers are individuals who break into other people's computers or networks without authorization. This unauthorized access can be for various motives, such as stealing data, causing damage, or gaining unauthorized access to sensitive information.

Common Mistakes: A common misunderstanding is that all hackers have the same motive. In reality, hackers can have different motives, ranging from financial gain to political activism.

Explanations: The correct answer is that hackers break into other people's computers. This definition aligns with the core concept of unauthorized access in cyber security. Hackers do not necessarily have the same motive, and breaking into computers is not legally permissible even if no damage is done.

Option Analysis:

Option A: This is incorrect because hackers can have different motives, such as financial gain, political activism, or curiosity.
Option B: This is correct because hackers are known for breaking into other people's computers without authorization.
Option C: This is incorrect because breaking into computers is illegal, regardless of whether damage is done or not.
Option D: This is incorrect and unrelated to the concept of hacking in cyber security.

3. Now a days Vishing has become a criminal practice of using social engineering over which of the following?

Correct Answer: Correct answer is: (B) Mobile Phones.

Exam Relevance: CISSP, CompTIA Security+, CEH

Difficulty: Moderate

Concept notes: Vishing is a form of social engineering attack that targets individuals over the phone to obtain sensitive information.

Common Mistakes: A common mistake is to confuse vishing with phishing, which typically involves emails or social media.

Explanations: Vishing involves the use of social engineering techniques over the telephone to deceive individuals into revealing personal or financial information. This method is particularly effective because it relies on the human element, making it difficult to detect and prevent compared to other forms of cyber attacks.

Option Analysis:

Option A: Social networking sites are more commonly associated with phishing rather than vishing.
Option B: Vishing specifically targets individuals over the telephone, making mobile phones the primary medium.
Option C: E-mails are typically used in phishing attacks, not vishing.
Option D: Cyber cafes are not a primary medium for vishing attacks.

Mnemonic: Vishing = Voice Phishing

4. Do this regularly to keep your system safe.

Correct Answer: Correct answer is: (A) Updates.

Exam Relevance: CISSP, CompTIA Security+, CEH

Difficulty: Easy

Concept notes: Regularly updating your system is crucial for maintaining security.

Common Mistakes: A common mistake is to ignore system updates, thinking they are not important.

Explanations: Regular updates include security patches and bug fixes that protect your system from the latest threats. By keeping your system up-to-date, you ensure that vulnerabilities are addressed and your system remains secure.

Option Analysis:

Option A: Updates are essential for maintaining system security.
Option B: Clicking links in emails can lead to phishing attacks and malware infections.
Option C: Downloading files from unknown sites can expose your system to malware and other security risks.
Option D: Uninstalling antivirus software leaves your system vulnerable to various cyber threats.

5. Danielle was hurt by ..... comments made about her on Facebook.

Correct Answer: Correct answer is: (C) Malicious.

Exam Relevance: CISSP, CompTIA Security+, CEH

Difficulty: Moderate

Concept notes: In cyber security, malicious comments refer to harmful or hurtful remarks made with the intent to cause emotional distress or damage to a person's reputation.

Common Mistakes: A common misunderstanding is to confuse "malicious" with "breach," which refers to unauthorized access to a system or data, rather than harmful comments.

Explanations: The term "malicious" is appropriate in this context because it describes comments that are intended to cause harm or distress. In cyber security, malicious comments on social media platforms like Facebook can be a form of cyberbullying or harassment, which are serious issues that can impact a person's mental health and well-being.

Option Analysis:

Option A: Prototype is not relevant in this context as it refers to an early model or version of a product or system, not harmful comments.
Option B: Breach refers to unauthorized access to a system or data, not harmful comments.
Option C: Malicious comments are harmful or hurtful remarks made with the intent to cause emotional distress or damage to a person's reputation.
Option D: None of the above is incorrect because "malicious" is the appropriate term for harmful comments.

6. Tactics used in hacking.I. Access confidential informationII. Threaten someone from your computerIII. Broadcast your confidential letters or materials.IV. Store illegal materials.

Correct Answer: Correct answer is: (C) I, II, III and IV.

Exam Relevance: CISSP, CEH, CompTIA Security+

Difficulty: Moderate

Concept notes: Hacking tactics can involve various malicious activities, including accessing confidential information, threatening individuals, broadcasting confidential materials, and storing illegal materials.

Common Mistakes: A common misunderstanding is that hacking is solely about accessing confidential information, but it can involve a broader range of malicious activities.

Explanations: Hacking encompasses a variety of malicious activities. Accessing confidential information (I) is a common tactic used by hackers to steal sensitive data. Threatening someone from your computer (II) involves using digital means to intimidate or harass individuals. Broadcasting confidential letters or materials (III) involves publicly disclosing sensitive information, often to cause harm or embarrassment. Storing illegal materials (IV) includes keeping or distributing content that is illegal, such as pirated software or illegal images. All these tactics are commonly used in hacking activities.

Option Analysis:

Option A: This option is incorrect because it omits the tactic of storing illegal materials (IV).
Option B: This option is incorrect because it omits the tactic of broadcasting confidential letters or materials (III).
Option C: This option is correct as it includes all the tactics used in hacking: accessing confidential information, threatening someone from your computer, broadcasting confidential letters or materials, and storing illegal materials.
Option D: This option is incorrect because it omits the tactic of threatening someone from your computer (II).

7. Which encryption type uses a pair of keys, public and private?

Correct Answer: Correct answer is: (A) Asymmetric encryption.

Exam Relevance: CISSP, CompTIA Security+, CEH

Difficulty: Easy

Concept notes: Asymmetric encryption uses a pair of keys, a public key and a private key, for encryption and decryption processes.

Common Mistakes: A common misunderstanding is that symmetric encryption also uses a pair of keys, but it actually uses the same key for both encryption and decryption.

Explanations: Asymmetric encryption involves a pair of keys: a public key, which can be shared openly, and a private key, which must be kept secret. The public key is used for encryption, while the private key is used for decryption. This ensures that only the intended recipient can decrypt the message, as they are the only one with the private key.

Option Analysis:

Option A: Correct. Asymmetric encryption uses a pair of keys, public and private.
Option B: Incorrect. Symmetric encryption uses the same key for both encryption and decryption.
Option C: Incorrect. Database encryption typically refers to the process of encrypting data stored in a database, not a specific type of encryption algorithm.
Option D: Incorrect. Volume encryption refers to the encryption of entire storage volumes, not a specific type of encryption algorithm.

Mnemonic: Public-private pair, asymmetric.

8. A ..... is used to prevent unauthorized access to or from a private network.

Correct Answer: Correct answer is: (D) Firewall.

Exam Relevance: CISSP, CompTIA Security+, CCNA Security

Difficulty: Easy

Concept notes: A firewall is a network security system that monitors and controls incoming and outgoing network traffic based on predetermined security rules. It acts as a barrier between a trusted internal network and untrusted external networks, such as the internet, to prevent unauthorized access.

Common Mistakes: A common misunderstanding is that a firewall is the only security measure needed, when in fact, it is part of a comprehensive security strategy that includes other measures like antivirus software and intrusion detection systems.

Explanations: A firewall is specifically designed to prevent unauthorized access to or from a private network by filtering traffic based on security rules. Repeaters, hubs, and routers do not have the same security capabilities as a firewall.

Option Analysis:

Option A: A repeater is a device that regenerates and retransmits signals, but it does not provide security features.
Option B: A hub is a simple networking device that broadcasts data to all connected devices, but it does not offer security functions.
Option C: A router directs data traffic between networks but does not inherently provide security features like a firewall.
Option D: A firewall is specifically designed to prevent unauthorized access by filtering network traffic based on security rules.

9. What's the risk of entering or sending personal information when connected to a network they do not know or trust?

Correct Answer: Correct answer is: (B) Personal information can be intercepted.

Exam Relevance: CISSP, CompTIA Security+, CEH

Difficulty: Easy

Concept notes: When connected to an untrusted network, personal information can be intercepted by malicious actors.

Common Mistakes: A common misunderstanding is that public networks are safe for all types of online activities.

Explanations: Untrusted networks, such as public Wi-Fi, can be monitored by cybercriminals. They can use various techniques, such as packet sniffing, to intercept data transmitted over the network. This includes personal information like login credentials, financial details, and other sensitive data. Therefore, it is risky to send or enter personal information on such networks.

Option Analysis:

Option A: This option is incorrect because it falsely suggests that there is no risk in entering or sending personal information on an untrusted network.
Option B: This option is correct because it accurately describes the risk of personal information being intercepted on an untrusted network.

10. What's the best way to ensure that your online experiences are safe and enjoyable?

Correct Answer: Correct answer is: (C) Communicate with trusted adults about your online activities.

Exam Relevance: Cybersecurity Awareness Exams, Online Safety Certification

Difficulty: Easy

Concept notes: Communicating with trusted adults about online activities is a fundamental aspect of online safety. Trusted adults can provide guidance, monitor activities, and help identify potential risks.

Common Mistakes: A common misunderstanding is that online activities should be kept private or shared indiscriminately, which can lead to unsafe situations.

Explanations: Communicating with trusted adults about online activities ensures that you have a support system to help you navigate the internet safely. Trusted adults can offer advice, monitor your online behavior, and help you avoid potential dangers. This approach helps maintain a safe and enjoyable online experience.

Option Analysis:

Option A: Sharing all personal information online can lead to identity theft and other security risks.
Option B: Accepting every friend request can expose you to potential online predators and other risks.
Option C: Communicating with trusted adults about your online activities ensures you have a support system to help you stay safe online.
Option D: Keeping everything a secret can prevent you from getting help when you encounter online risks.

Frequently Asked Questions

What is cyber security?

Cyber security involves protecting systems, networks, and programs from digital attacks. It aims to prevent unauthorized access, theft, and damage to personal information and other assets.

How can I protect myself from cyberbullying?

To protect yourself from cyberbullying, avoid sharing personal information online, report harmful comments to the platform, and seek support from trusted adults or professionals if you experience emotional distress.

What is a firewall and how does it work?

A firewall is a network security system that monitors and controls incoming and outgoing network traffic based on predetermined security rules. It acts as a barrier between trusted and untrusted networks to prevent unauthorized access.

What is a brute force attack?

A brute force attack is a hacking tactic where an attacker tries to guess a password by systematically checking all possible combinations until the correct one is found. Strong password strength and character complexity can help mitigate this risk.

What is social engineering in the context of cyber security?

Social engineering is a tactic used by attackers to manipulate individuals into divulging confidential information or performing actions that compromise security. It often involves psychological manipulation and can be used in various forms, such as telephone fraud or phishing.

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