Question 1: Define the term 'cyber threat' in your own words.

Answer: A cyber threat is any potential danger or malicious activity that could harm computer systems, networks, or data.

Question 2: Name two common types of cyber threats that can affect individuals and businesses.

Answer: Examples include malware and phishing attacks.

Question 3: Describe what a phishing attack is and how it can threaten personal security.

Answer: A phishing attack involves sending fake emails or messages that appear to be from legitimate sources to trick individuals into revealing personal information such as passwords or bank details.

Question 4: Explain why using strong, unique passwords can help protect against cyber threats.

Answer: Strong, unique passwords make it harder for hackers to guess or crack your login details, reducing the risk of unauthorized access.

Question 5: Identify three ways to keep a computer network secure from cyber threats.

Answer: Using firewalls, installing antivirus software, and regularly updating software are three ways to enhance network security.

Question 6: Complete the truth table for the AND logic gate below, where A and B are inputs and Q is the output.

Answer: {"rows":[{"A":0,"B":0,"Q":0},{"A":0,"B":1,"Q":0},{"A":1,"B":0,"Q":0},{"A":1,"B":1,"Q":1}],"headers":["A","B","Q"]}

Question 7: Sketch a simple diagram of a computer network that includes at least one computer, a router, and a modem. Label each device clearly.

Answer: A correct sketch would show a computer connected to a router, which in turn is connected to a modem. Labels should identify each device clearly.

Question 8: Describe the purpose of a firewall in a computer network.

Answer: A firewall acts as a barrier that monitors and controls incoming and outgoing network traffic to block malicious activity and unauthorised access.

Question 9: What is malware, and how can it infect your computer?

Answer: Malware is malicious software designed to damage, disrupt, or gain unauthorized access to computers. It can infect a computer through infected email attachments, downloads, or malicious websites.

Question 10: Explain what a denial-of-service (DoS) attack is and its effect on a website.

Answer: A DoS attack overloads a website with excessive traffic, making it unavailable to legitimate users and disrupting its service.

Question 11: Draw a simple diagram to illustrate how a phishing email might look. Include a fake sender address and a suspicious link, but do not include actual URLs.

Answer: A correct sketch would show an email with a fake sender address that appears legitimate, a message prompting the user to click a link, and a suspicious link text.