Unit 1 - Practice Quiz

1 Which of the following describes the geometric arrangement of devices on a network?

2 In which topology is every node connected to a central node, such as a hub or a switch?

3 In a mesh topology with devices, what is the total number of physical links required?

4 Which network device operates primarily at the Physical Layer (Layer 1) of the OSI model?

5 What is the primary difference between a Switch and a Hub?

6 Which device is used to connect two or more networks with different network addresses (subnets) and operates at the Network Layer?

7 Which type of network covers a large geographical area, often crossing country or continent boundaries?

8 What does the acronym URL stand for?

9 Which protocol is primarily used for retrieving web pages from a web server?

10 What system is responsible for translating human-readable domain names (like www.google.com) into IP addresses?

11 How many layers are there in the OSI Reference Model?

12 Which layer of the OSI model is responsible for end-to-end delivery, flow control, and error recovery?

13 In the TCP/IP protocol suite, which protocol provides unreliable, connectionless delivery service?

14 Which topology requires a terminator at both ends of the cable to prevent signal reflection?

15 What is the length of an IPv4 address?

16 Data units at the Data Link Layer are commonly referred to as:

17 Which layer of the OSI model is responsible for data encryption and decryption?

18 Which of the following is NOT a valid transmission mode?

19 A Personal Area Network (PAN) is most likely to use which technology?

20 Which layer of the TCP/IP model corresponds to the combined Session, Presentation, and Application layers of the OSI model?

21 In a client-server network architecture:

22 Which address is physically burnt into the Network Interface Card (NIC)?

23 What is the process of adding headers and trailers to data as it moves down the protocol stack called?

24 Which device increases the strength of a signal to extend the maximum distance of a cable run?

25 Which protocol is connection-oriented and guarantees delivery of data?

26 The combination of an IP address and a Port number is often called a:

27 In the OSI model, which layer deals with logical addressing (IP addressing) and path determination?

28 Which topology is most reliable because a break in one link does not affect the connection between other devices?

29 Which standard defines the format of a Web page?

30 What is a 'Packet' in the context of computer networks?

31 Which of the following is NOT a layer in the TCP/IP protocol suite?

32 What is the primary function of the Physical Layer?

33 Which command-line tool is commonly used to test the reachability of a host on an IP network?

34 What does ARP stand for?

35 A network that connects computers within a single building or campus is known as a:

36 In which transmission mode can data be sent and received simultaneously?

37 Which device divides a network into different collision domains?

38 Which of the following identifies a specific process or application on a computer?

39 The 'http' in 'http://www.example.com' represents the:

40 Which layer ensures that the data received is exactly what was sent (error-free) typically using checksums?

41 A collection of interconnected networks is called an:

42 Which protocol is used to assign dynamic IP addresses to devices on a network?

43 In the Ring topology, how is data access typically controlled?

44 Which of the following is an example of a Web Browser?

45 If a link fails in a Ring topology, what happens to the network (assuming single ring)?

46 The Internet is best described as:

47 What is the standard port number for HTTPS traffic?

48 Which OSI layer is responsible for dialog control and synchronization?

49 A MAC address is usually represented in which numerical system?

50 Which device connects a LAN to a WAN (typically the Internet)?