Unit 5: Computer Network and Communication - Practice Quiz

1 Which of the following best describes a Computer Network?

2 Which network type typically covers a small geographic area like a single room or a building?

3 The Internet is the largest example of which type of network?

4 Which network topology connects all devices to a single central cable called the backbone?

5 In which topology are all computers connected to a central device like a hub or a switch?

6 Which network topology provides the highest level of redundancy and reliability by connecting every device to every other device?

7 What is the primary function of a Router?

8 Which device is used to convert digital signals from a computer into analog signals for transmission over telephone lines?

9 Which networking device is known as a 'dumb' device because it broadcasts data to all connected ports?

10 How does a Switch differ from a Hub?

11 Which device allows wireless devices to connect to a wired network?

12 In the Client-Server model, what is the role of the 'Client'?

13 Which of the following is a characteristic of a Server?

14 What is 'Malware' short for?

15 Which type of malware attaches itself to a legitimate program and requires human action to spread?

16 Which malware is self-replicating and spreads across networks without requiring a host file or user interaction?

17 What is a Trojan Horse in the context of computing?

18 Which type of malware encrypts a user's files and demands payment for the decryption key?

19 Software that secretly monitors user activity and collects information without their knowledge is called:

20 What is Phishing?

21 Which attack method involves trying every possible combination of characters to guess a password?

22 What does MFA stand for in computer security?

23 Which of the following is an example of 'Something you are' in Multi-Factor Authentication?

24 Which user account type typically has full control over the computer, including installing software and changing settings?

25 What is a primary limitation of a Guest account?

26 What is a Firewall?

27 Which network topology connects devices in a closed loop?

28 Which device operates at the Data Link Layer and uses MAC addresses?

29 Bluetooth is an example of which type of network?

30 In a network, what does the term 'Node' refer to?

31 What is the main disadvantage of a Hub compared to a Switch?

32 Which form of malware captures keystrokes to steal passwords?

33 What is the 'Dictionary Attack' method of password cracking?

34 Which account type allows a user to use the computer for daily tasks but prevents accidental system damage?

35 What is 'Spear Phishing'?

36 Which authentication factor falls under 'Something you have'?

37 Which network topology is a combination of two or more different topologies?

38 Which device is considered the 'gateway' to the internet for a home network?

39 A 'Botnet' is usually created using which type of malware?

40 The physical arrangement of devices in a network is known as:

41 Which of the following is NOT a type of computer network?

42 What is the main purpose of a firewall blocking 'Incoming' traffic?

43 In a Tree Topology, the network is arranged in what kind of structure?

44 Which of the following is a strong password practice?

45 Adware is primarily designed to:

46 Which privileges should be granted to a normal employee to ensure security (Principle of Least Privilege)?

47 A 'man-in-the-middle' attack is a threat where:

48 Which device enables a computer to connect to a telephone line for dial-up internet?

49 What is the best way to protect against data loss from Ransomware?

50 In a Star topology, if the central Hub fails, what happens?