Introduction to Cybersecurity Concepts

What is the primary purpose of a firewall in network security?

• To store data

• To block unauthorized access

• To increase internet speed

• To provide cloud storage

Which of the following is a type of malware that replicates itself to spread to other computers?

• Virus

• Worm

• Trojan Horse

• Spyware

What does the term "phishing" refer to in cybersecurity?

• A type of firewall

• A method of encrypting data

• A technique to steal sensitive information

• A type of antivirus software

Which of the following is NOT a basic concept of network security?

• Confidentiality

• Integrity

• Availability

• Profitability

What is the main function of antivirus software?

• To create backups

• To detect and remove malware

• To manage network traffic

• To encrypt data

Which of the following is a cybersecurity best practice?

• Using the same password for all accounts

• Regularly updating software

• Sharing passwords with friends

• Disabling firewalls

What type of malware disguises itself as legitimate software?

• Adware

• Trojan Horse

• Ransomware

• Rootkit

Which protocol is commonly used to secure data transmission over a network?

• HTTP

• FTP

• HTTPS

• SMTP

What is the primary role of a network administrator in terms of security?

• To design websites

• To manage and secure network resources

• To develop software applications

• To create marketing strategies

Which of the following is a common sign of a phishing attempt?

• Receiving an email from a known contact

• An email with poor grammar and spelling errors

• A secure website URL

• A phone call from a trusted source