Computer Security: Protect Your Systems and Data

Question 1

What is an essential component of a comprehensive cybersecurity plan?

Accepted Answer

Regularly updating software and operating systems with patches

Answer

Running multiple antivirus software simultaneously on a device

Answer

Allowing unrestricted remote desktop access

Question 2

Which type of malware is designed to disguise itself as legitimate software and steal sensitive data?

Accepted Answer

Trojan horse

Answer

Virus

Answer

Botnet

Answer

Adware

Question 3

What is the primary function of a firewall?

Accepted Answer

To block unauthorized access to a computer network

Answer

To encrypt data

Answer

To detect and remove malware

Question 4

Which of the following password criteria is considered best practice?

Accepted Answer

Minimum 12 characters, including uppercase, lowercase, numbers, and special characters

Answer

Minimum 6 characters, consisting only of lowercase letters

Question 5

What is the distinction between authentication and authorization?

Accepted Answer

Authentication verifies your identity, while authorization determines your access rights

Answer

Authorization is more important than authentication

Answer

Authentication is for online banking, while authorization is for social media

Question 6

Which encryption method is commonly used to protect data?

Accepted Answer

AES

Answer

HTML

Answer

XML

Answer

JPEG

Question 7

What is the primary purpose of a security audit?

Accepted Answer

To identify potential security risks and vulnerabilities

Answer

To respond to security incidents

Answer

To install security software

Question 8

Which of the following is a common tactic used in social engineering attacks?

Accepted Answer

Phishing

Answer

Denial of service attacks

Answer

Malware deployment

Answer

Brute force attacks

Question 9

What is the purpose of a security policy?

Accepted Answer

To establish rules and procedures for protecting an organization's sensitive information

Answer

To track security incidents

Answer

To provide security awareness training

Question 10

Which action is a recommended practice for preventing data breaches?

Accepted Answer

Regular data backups

Answer

Sharing passwords with colleagues

Answer

Using unsecured Wi-Fi networks

Answer

Clicking suspicious links in emails

Question 11

What is the principle of least privilege?

Accepted Answer

Users should only have the permissions they need to perform their job duties

Answer

Users should have access to all network resources

Answer

Users should be able to modify their own permissions

Question 12

Which of the following is NOT a type of malicious software that targets computer systems?

Accepted Answer

Spam

Answer

Virus

Answer

Worm

Answer

Trojan horse

Question 13

Which type of malware encrypts files and demands payment for their release?

Accepted Answer

Ransomware

Answer

Trojan horse

Answer

Worm

Answer

Virus

Question 14

What is the primary purpose of a firewall?

Accepted Answer

To block unauthorized access to a computer network

Answer

To back up data

Answer

To scan files for viruses

Answer

To encrypt data

Question 15

Which of the following is NOT considered a best practice for creating a strong password?

Accepted Answer

Use your birthdate

Answer

Use symbols (!, @, #, $)

Answer

Use a combination of lowercase and uppercase letters

Question 16

What is the main function of intrusion detection systems (IDS)?

Accepted Answer

To detect and alert administrators of unauthorized access attempts

Answer

To scan files for viruses

Answer

To prevent unauthorized access

Answer

To encrypt data

Question 17

Which of the following is an example of a social engineering attack?

Accepted Answer

Phishing

Answer

Denial-of-service attack

Answer

Malware

Answer

Brute force attack

Question 18

What is the primary purpose of a security policy?

Accepted Answer

To provide guidelines for protecting computer systems, networks, and data

Answer

To monitor network traffic

Answer

To encrypt data

Question 19

Which of the following is an advantage of using two-factor authentication (2FA)?

Accepted Answer

It adds an extra layer of security to online accounts

Answer

It eliminates the need for passwords

Answer

It speeds up the login process

Question 20

What is the primary purpose of encryption?

Accepted Answer

To protect data by making it unreadable to unauthorized users

Answer

To scan files for viruses

Answer

To compress data

Question 21

Which type of denial-of-service (DoS) attack involves flooding a target with excessive traffic?

Accepted Answer

Volumetric attack

Answer

Guessing a user's password

Answer

Sending a virus to a computer

Question 22

What is the primary responsibility of a security analyst?

Accepted Answer

To analyze security logs and data to identify and respond to threats

Answer

To install and maintain security software

Answer

To write security policies

Question 23

Which of the following is NOT a common type of cyberattack?

Accepted Answer

Firewall attack

Answer

Malware attack

Answer

Denial of Service (DoS) attack

Answer

Phishing attack

Question 24

What is the primary role of a firewall?

Accepted Answer

To prevent unauthorized access to a network

Answer

To encrypt data

Answer

To detect and remove viruses

Answer

To back up data

Question 25

What is the main purpose of encryption in data security?

Accepted Answer

To transform data into an unreadable format without a specific key

Answer

To detect and remove viruses

Answer

To prevent unauthorized access to data

Question 26

Which of the following is an example of a social engineering attack?

Accepted Answer

Phishing

Answer

Denial of Service (DoS) attack

Answer

Malware attack

Answer

Firewall attack

Question 27

What is the main objective of a security audit?

Accepted Answer

To identify vulnerabilities and weaknesses in a security system

Answer

To install security software

Answer

To train users on security best practices

Question 28

Which type of penetration testing involves having complete knowledge of the system being tested?

Accepted Answer

White-box testing

Answer

Virus scanning

Answer

Firewall testing

Answer

Data encryption

Question 29

What is the principle of least privilege?

Accepted Answer

Users should only have the permissions necessary to perform their job duties

Answer

Users should have unrestricted access to all files and systems

Answer

Users should be permitted to share passwords with colleagues

Question 30

Which of the following is an advantage of utilizing cloud computing for data storage?

Accepted Answer

Reduced reliance on physical storage infrastructure

Answer

Heightened susceptibility to cyberattacks

Answer

Increased complexity in data backup procedures

Answer

Elevated data encryption expenses

Question 31

What is the significance of incident response planning in security management?

Accepted Answer

To establish a clear and coordinated response to security incidents

Answer

To guarantee the prevention of all security incidents

Answer

To punish individuals responsible for security breaches

Question 32

Which of the following is a type of cyberattack that aims to gain unauthorized access to a computer system?

Accepted Answer

Hacking

Answer

Malware

Answer

DDoS

Answer

Phishing

Question 33

Which security measure encrypts data to safeguard it from unauthorized access?

Accepted Answer

Encryption

Answer

Firewall

Answer

Authentication

Answer

Backup

Question 34

What is the primary purpose of a firewall on a computer network?

Accepted Answer

To prevent unauthorized access

Answer

To detect viruses

Answer

To back up data

Answer

To enhance network efficiency

Question 35

Which of the following practices is recommended to create robust passwords?

Accepted Answer

Combine letters, numbers, and symbols

Answer

Choose common words that are simple to guess

Answer

Use simple, easy-to-remember passwords

Answer

Share passwords with others

Question 36

What is the primary function of antivirus software in computer security?

Accepted Answer

Detect and remove malicious software (malware)

Answer

Encrypt data for protection

Answer

Prevent network attacks

Answer

Create backups of important files

Question 37

Which of the following is a common social engineering attack technique?

Accepted Answer

Phishing

Answer

SQL injection

Answer

Brute force

Answer

Denial-of-service

Question 38

Why is it essential to keep software up to date?

Accepted Answer

To patch security vulnerabilities

Answer

To improve software performance

Answer

To free up disk space

Answer

To remove unnecessary files

Question 39

What is the purpose of creating a backup in a computer system?

Accepted Answer

To restore data in case of system failure or data loss

Answer

To prevent malware attacks

Answer

To enhance network performance

Question 40

Which cloud security model allocates security responsibilities between the cloud provider and the customer?

Accepted Answer

Shared responsibility model

Answer

Application security model

Answer

Network security model

Question 41

What is the most effective way to protect personal information shared online?

Accepted Answer

Exercise caution when sharing information on websites and apps

Answer

Share personal information with everyone

Answer

Disable all security measures

Question 42

Which of the following is a recommended practice for protecting sensitive data?

Accepted Answer

Implement strong access controls

Answer

Disable antivirus software

Answer

Use weak passwords

Answer

Store data on unsecured networks

Question 43

Which type of malware can encrypt files and demand payment to decrypt them?

Accepted Answer

Ransomware

Answer

Trojan horse

Answer

Worm

Answer

Virus

Question 44

Which of the following is a common social engineering technique used to trick users into providing sensitive information?

Accepted Answer

Phishing

Answer

Man-in-the-middle attack

Answer

SQL injection

Answer

Brute force attack

Question 45

Which of the following is a primary purpose of a firewall?

Accepted Answer

Prevent unauthorized access to a network

Answer

Encrypt network traffic

Answer

Detect and remove viruses

Answer

Back up data

Question 46

Which of the following is a type of encryption algorithm that uses the same key to encrypt and decrypt data?

Accepted Answer

Symmetric-key encryption

Answer

Hash function

Answer

Digital signature

Answer

Public-key encryption

Question 47

Which of the following is a recommended practice for creating secure passwords?

Accepted Answer

Create passwords with a minimum length, complexity, and avoid using personal information

Answer

Use common words found in a dictionary

Answer

Keep passwords short and easy to remember

Question 48

Which of the following is a critical component of a disaster recovery plan?

Accepted Answer

Data backup and recovery procedures

Answer

Customer service policies

Answer

Financial management guidelines

Answer

Marketing and advertising strategies

Question 49

Which of the following is a benefit of providing security awareness training to employees?

Accepted Answer

Reduces the risk of security breaches

Answer

Improves sales performance

Answer

Decreases hardware maintenance costs

Answer

Increases employee morale

Question 50

Which of the following is an ethical consideration in ethical hacking?

Accepted Answer

Obtaining informed consent before testing systems

Answer

Using illegal tools and techniques

Answer

Concealing one's identity during testing

Answer

Exploiting vulnerabilities without reporting them