OSI Model MCQS

1 How many layers are present in the OSI reference model?

2 Which is the lowest layer of the OSI model?

3 Which OSI layer is responsible for routing?

4 Which layer provides end-to-end delivery?

5 Which OSI layer is responsible for logical addressing?

6 MAC addressing belongs primarily to which OSI layer?

7 Which layer is responsible for encryption, compression and translation?

8 Which OSI layer establishes, manages and terminates sessions?

9 Which protocol suite is the foundation of the Internet?

10 TCP is a ______ protocol.

11 UDP is a ______ protocol.

12 Which protocol provides reliable data delivery?

13 Which protocol generally has lower overhead?

14 Which protocol is commonly used by the ping utility?

15 Which protocol resolves an IPv4 address to a MAC address?

16 What is the length of an IPv4 address?

17 What is the length of an IPv6 address?

18 How many bits are in a standard MAC address?

19 Which of the following is an IPv4 address?

20 Which of the following is an IPv6 address?

21 Which device operates primarily at Layer 3 of the OSI model?

22 Which device forwards frames using MAC addresses?

23 Which device broadcasts incoming data to all connected ports?

24 Which device regenerates weak signals?

25 A router primarily uses which type of address to make forwarding decisions?

26 Which topology uses a central connecting device?

27 Which topology provides a dedicated point-to-point link between every pair of devices?

28 In a full mesh network containing 9 devices, each device requires how many connections to other devices?

29 Which transmission medium uses light to transmit data?

30 Which medium is generally least susceptible to electromagnetic interference?

31 Which one of the following is not a function of network layer?

32 Which of the following is the network layer protocol for the internet?

33 Which layer provides the services to user?

34 The physical layer is concerned with ___________

35 The physical layer is responsible for __________

36 A single channel is shared by multiple signals by ____________

37 The data link layer takes the packets from _________ and encapsulates them into frames for transmission.

38 Which of the following tasks is not done by data link layer?

39 Which of the following is a data link protocol?

40 The network layer is concerned with __________ of data.

41 A 4 byte IP address consists of __________

42 Which of the following are transport layer protocols used in networking?