Cyber Security Fundamentals

Which of the following is a primary goal of network security?

• To increase network speed

• To protect data and resources from unauthorised access

• To reduce the number of users on a network

• To improve the physical appearance of network devices

What is the main function of a firewall in network security?

• To store backup data

• To filter incoming and outgoing network traffic

• To increase Wi-Fi range

• To encrypt files

Which protocol is commonly used to securely transfer files over a network?

• FTP

• SFTP

• HTTP

• SMTP

What type of malware is designed to replicate itself and spread to other computers?

• Trojan horse

• Worm

• Spyware

• Adware

Which of the following best describes ransomware?

• Malware that steals passwords

• Malware that encrypts files and demands payment for decryption

• Malware that displays unwanted adverts

• Malware that logs keystrokes

What is the primary purpose of malware analysis?

• To create new malware

• To understand how malware works and how to defend against it

• To increase computer speed

• To delete files

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

• Personalised greeting with your full name

• Suspicious links and urgent requests for information

• Email from a known contact with no attachments

• Well-formatted company logo

What is the main objective of a phishing attack?

• To improve network speed

• To trick users into revealing sensitive information

• To update software

• To install legitimate applications

Which encryption method uses the same key for both encryption and decryption?

• Asymmetric encryption

• Symmetric encryption

• Hashing

• Public key infrastructure

What does the acronym 'AES' stand for in data encryption?

• Advanced Encryption Standard

• Automated Encryption System

• Advanced Electronic Security

• Automated Email Security