[TOP 100] OSI Model Quiz Questions and Answers

[TOP 100] OSI Model Quiz Questions and Answers: we will discuss OSI Layer Questions.

The Five-Layer Network Model Quiz

1: Which OSI layer is responsible for providing a reliable end-to-end connection?

A) Physical layer

B) Transport layer

C) Data link layer

D) Network layer

Answer: B) Transport layer

2: Which OSI layer is responsible for logical addressing and routing?

A) Physical layer

B) Data link layer

C) Network layer

D) Presentation layer

Answer: C) Network layer

3: Which OSI layer is responsible for establishing, managing, and terminating sessions between applications?

A) Transport layer

B) Session layer

C) Presentation layer

D) Application layer

Answer: B) Session layer

4: Which OSI layer is responsible for converting data into a suitable format for transmission?

A) Network layer

B) Presentation layer

C) Application layer

D) Physical layer

Answer: B) Presentation layer

5: Which OSI layer is responsible for the physical transmission of data?

A) Data link layer

B) Network layer

C) Physical layer

D) Session layer

Answer: C) Physical layer

6: Which OSI layer is responsible for error detection and correction at the bit level?

A) Network layer

B) Presentation layer

C) Data link layer

D) Transport layer

Answer: C) Data link layer

7: Which OSI layer provides services such as encryption, compression, and data formatting?

A) Physical layer

B) Session layer

C) Presentation layer

D) Transport layer

Answer: C) Presentation layer

8: Which OSI layer is responsible for establishing, maintaining, and terminating connections between network devices?

A) Transport layer

B) Application layer

C) Data link layer

D) Session layer

Answer: D) Session layer

9: Which OSI layer defines the format and structure of data packets?

A) Transport layer

B) Presentation layer

C) Application layer

D) Data link layer

Answer: D) Data link layer

10: Which OSI layer is responsible for routing and forwarding data packets between networks?

A) Network layer

B) Data link layer

C) Transport layer

D) Presentation layer

Answer: A) Network layer

11: Which OSI layer provides network services to the application layer?

A) Data link layer

B) Physical layer

C) Application layer

D) Transport layer

Answer: D) Transport layer

12: Which OSI layer handles the synchronization and flow control of data between devices?

A) Presentation layer

B) Session layer

C) Data link layer

D) Transport layer

Answer: D) Transport layer

13: Which OSI layer is responsible for establishing, maintaining, and terminating logical connections between network devices?

A) Session layer

B) Network layer

C) Application layer

D) Data link layer

Answer: A) Session layer

14: Which OSI layer converts data from the format used by applications into a common format for transmission?

A) Presentation layer

B) Data link layer

C) Physical layer

D) Transport layer

Answer: A) Presentation layer

15: Which OSI layer deals with the physical transmission of data over the network medium?

A) Data link layer

B) Transport layer

C) Physical layer

D) Network layer

Answer: C) Physical layer

16: Which OSI layer is responsible for segmenting and reassembling data into smaller units?

A) Presentation layer

B) Network layer

C) Transport layer

D) Application layer

Answer: C) Transport layer

17: Which OSI layer provides services such as file transfer, email, and remote login?

A) Data link layer

B) Session layer

C) Application layer

D) Physical layer

Answer: C) Application layer

18: Which OSI layer is responsible for controlling the flow of data between sender and receiver?

A) Network layer

B) Data link layer

C) Presentation layer

D) Session layer

Answer: B) Data link layer

19: Which OSI layer handles the encryption and decryption of data for secure communication?

A) Application layer

B) Presentation layer

C) Session layer

D) Physical layer

Answer: B) Presentation layer

20: Which OSI layer ensures that data is delivered to the correct application running on the destination device?

A) Network layer

B) Data link layer

C) Session layer

D) Application layer

Answer: D) Application layer

21: Which OSI layer is responsible for establishing, maintaining, and terminating logical connections between applications?

A) Session layer

B) Transport layer

C) Network layer

D) Presentation layer

Answer: A) Session layer

22: Which OSI layer performs error detection and recovery through sequence numbers and acknowledgments?

A) Presentation layer

B) Transport layer

C) Network layer

D) Data link layer

Answer: B) Transport layer

23: Which OSI layer translates data from the network format into a format usable by the receiving application?

A) Physical layer

B) Session layer

C) Presentation layer

D) Data link layer

Answer: C) Presentation layer

24: Which OSI layer is responsible for the delivery of packets across multiple networks?

A) Transport layer

B) Application layer

C) Network layer

D) Data link layer

Answer: C) Network layer

25: Which OSI layer establishes, manages, and terminates connections between two applications over a network?

A) Presentation layer

B) Session layer

C) Data link layer

D) Transport layer

Answer: B) Session layer

26: Which OSI layer is responsible for the logical addressing of devices on a network?

A) Network layer

B) Transport layer

C) Data link layer

D) Presentation layer

Answer: A) Network layer

27: Which OSI layer provides services such as authentication and encryption for secure communication?

A) Session layer

B) Presentation layer

C) Application layer

D) Transport layer

Answer: C) Application layer

28: Which OSI layer is responsible for establishing, maintaining, and terminating virtual circuits between devices?

A) Network layer

B) Data link layer

C) Session layer

D) Transport layer

Answer: C) Session layer

29: Which OSI layer is responsible for converting data into a suitable format for transmission over the network?

A) Physical layer

B) Presentation layer

C) Transport layer

D) Application layer

Answer: B) Presentation layer

30: Which OSI layer provides the interface between the user and the network?

A) Presentation layer

B) Transport layer

C) Application layer

D) Data link layer

Answer: C) Application layer

31: Which OSI layer is responsible for the framing and synchronization of data for transmission?

A) Transport layer

B) Data link layer

C) Network layer

D) Session layer

Answer: B) Data link layer

32: Which OSI layer ensures the reliable delivery of data packets from the source to the destination?

A) Transport layer

B) Presentation layer

C) Application layer

D) Physical layer

Answer: A) Transport layer

33: Which OSI layer handles the translation and formatting of data for presentation to the user?

A) Presentation layer

B) Session layer

C) Data link layer

D) Network layer

Answer: A) Presentation layer

34: Which OSI layer is responsible for establishing, managing, and terminating connections between applications on different devices?

A) Transport layer

B) Session layer

C) Network layer

D) Data link layer

Answer: B) Session layer

35: Which OSI layer handles the transmission and reception of data between devices on the same network?

A) Network layer

B) Data link layer

C) Transport layer

D) Presentation layer

Answer: B) Data link layer

36: Which OSI layer provides error recovery and flow control between two devices?

A) Network layer

B) Transport layer

C) Presentation layer

D) Application layer

Answer: B) Transport layer

37: Which OSI layer handles the conversion of data into a format suitable for transmission over a physical medium?

A) Physical layer

B) Data link layer

C) Session layer

D) Application layer

Answer: A) Physical layer

38: Which OSI layer is responsible for dividing data into smaller units for transmission?

A) Data link layer

B) Network layer

C) Presentation layer

D) Transport layer

Answer: A) Data link layer

39: Which OSI layer provides services such as directory services, network resource sharing, and email?

A) Session layer

B) Presentation layer

C) Application layer

D) Transport layer

Answer: C) Application layer

40: Which OSI layer is responsible for establishing, maintaining, and terminating connections between network devices?

A) Session layer

B) Presentation layer

C) Transport layer

D) Data link layer

Answer: A) Session layer

41: Which OSI layer is responsible for translating data into a common format that applications can understand?

A) Network layer

B) Data link layer

C) Presentation layer

D) Transport layer

Answer: C) Presentation layer

42: Which OSI layer is responsible for managing the physical transmission of data across the network medium?

A) Transport layer

B) Network layer

C) Data link layer

D) Physical layer

Answer: D) Physical layer

43: Which OSI layer handles the synchronization and dialog control between applications?

A) Data link layer

B) Presentation layer

C) Session layer

D) Transport layer

Answer: C) Session layer

44: Which OSI layer provides services such as file transfer, remote login, and web browsing?

A) Data link layer

B) Presentation layer

C) Session layer

D) Application layer

Answer: D) Application layer

45: Which OSI layer is responsible for routing and forwarding data packets between networks?

A) Data link layer

B) Physical layer

C) Network layer

D) Transport layer

Answer: C) Network layer

46: Which OSI layer provides logical addressing and path determination for data packets?

A) Presentation layer

B) Data link layer

C) Application layer

D) Network layer

Answer: D) Network layer

47: Which OSI layer handles the reliable delivery of data segments from one node to another?

A) Data link layer

B) Presentation layer

C) Transport layer

D) Application layer

Answer: C) Transport layer

48: Which OSI layer is responsible for the formatting and presentation of data to the application layer?

A) Data link layer

B) Presentation layer

C) Physical layer

D) Session layer

Answer: B) Presentation layer

49: Which OSI layer provides services such as session establishment and termination?

A) Transport layer

B) Session layer

C) Network layer

D) Application layer

Answer: B) Session layer

50: Which OSI layer handles the framing and synchronization of data for transmission over the network?

A) Physical layer

B) Data link layer

C) Session layer

D) Application layer

Answer: B) Data link layer

51: Which OSI layer ensures the integrity and accuracy of transmitted data?

A) Presentation layer

B) Transport layer

C) Data link layer

D) Physical layer

Answer: C) Data link layer

52: Which OSI layer handles the establishment and termination of virtual circuits between devices?

A) Transport layer

B) Application layer

C) Session layer

D) Network layer

Answer: C) Session layer

53: Which OSI layer is responsible for the delivery of data packets across a single network?

A) Data link layer

B) Presentation layer

C) Transport layer

D) Network layer

Answer: D) Network layer

54: Which OSI layer deals with the physical transmission of data bits over the network medium?

A) Presentation layer

B) Session layer

C) Physical layer

D) Application layer

Answer: C) Physical layer

55: Which OSI layer provides services such as terminal emulation, file services, and network management?

A) Transport layer

B) Data link layer

C) Application layer

D) Presentation layer

Answer: C) Application layer

56: Which OSI layer is responsible for encapsulating data into packets for transmission?

A) Network layer

B) Transport layer

C) Presentation layer

D) Data link layer

Answer: D) Data link layer

57: Which OSI layer is responsible for translating data formats between different systems?

A) Session layer

B) Presentation layer

C) Transport layer

D) Application layer

Answer: B) Presentation layer

58: Which OSI layer handles the routing of data packets between different networks?

A) Network layer

B) Data link layer

C) Transport layer

D) Session layer

Answer: A) Network layer

59: Which OSI layer manages the establishment and termination of connections between applications?

A) Transport layer

B) Presentation layer

C) Session layer

D) Data link layer

Answer: C) Session layer

60: Which OSI layer is responsible for the direct interaction between the user and the network?

A) Data link layer

B) Presentation layer

C) Application layer

D) Session layer

Answer: C) Application layer

61: Which OSI layer is responsible for the encapsulation and de-encapsulation of data packets?

A) Presentation layer

B) Transport layer

C) Network layer

D) Data link layer

Answer: D) Data link layer

62: Which OSI layer handles the establishment and management of sessions between applications?

A) Transport layer

B) Session layer

C) Application layer

D) Data link layer

Answer: B) Session layer

63: Which OSI layer is responsible for the conversion of data into a network-friendly format?

A) Application layer

B) Network layer

C) Presentation layer

D) Data link layer

Answer: C) Presentation layer

64: Which OSI layer provides services such as file transfer, email, and remote login?

A) Transport layer

B) Presentation layer

C) Data link layer

D) Application layer

Answer: D) Application layer

65: Which OSI layer handles the routing of data packets between different networks?

A) Network layer

B) Transport layer

C) Session layer

D) Data link layer

Answer: A) Network layer

66: Which OSI layer is responsible for the physical transmission of data across the network medium?

A) Physical layer

B) Transport layer

C) Data link layer

D) Application layer

Answer: A) Physical layer

67: Which OSI layer provides services such as encryption, compression, and data formatting?

A) Physical layer

B) Session layer

C) Presentation layer

D) Application layer

Answer: C) Presentation layer

68: Which OSI layer handles the synchronization and flow control of data between devices?

A) Presentation layer

B) Session layer

C) Transport layer

D) Data link layer

Answer: C) Transport layer

69: Which OSI layer is responsible for logical addressing and routing?

A) Presentation layer

B) Session layer

C) Network layer

D) Data link layer

Answer: C) Network layer

70: Which OSI layer is responsible for the reliable delivery of data from one node to another?

A) Application layer

B) Transport layer

C) Data link layer

D) Physical layer

Answer: B) Transport layer

71: Which OSI layer is responsible for establishing and terminating logical connections between applications?

A) Presentation layer

B) Transport layer

C) Session layer

D) Data link layer

Answer: C) Session layer

72: Which OSI layer handles the synchronization and dialog control between applications?

A) Network layer

B) Data link layer

C) Presentation layer

D) Session layer

Answer: D) Session layer

73: Which OSI layer provides services such as email, file transfer, and remote login?

A) Network layer

B) Transport layer

C) Presentation layer

D) Application layer

Answer: D) Application layer

74: Which OSI layer is responsible for the framing and synchronization of data for transmission?

A) Presentation layer

B) Transport layer

C) Data link layer

D) Network layer

Answer: C) Data link layer

75: Which OSI layer provides error detection and recovery through sequence numbers and acknowledgments?

A) Presentation layer

B) Transport layer

C) Network layer

D) Data link layer

Answer: B) Transport layer

76: Which OSI layer handles the routing and forwarding of data packets between networks?

A) Data link layer

B) Presentation layer

C) Network layer

D) Application layer

Answer: C) Network layer

77: Which OSI layer ensures the reliable delivery of data between two nodes on a network?

A) Presentation layer

B) Session layer

C) Transport layer

D) Data link layer

Answer: C) Transport layer

78: Which OSI layer is responsible for the physical transmission of data bits over the network medium?

A) Application layer

B) Physical layer

C) Session layer

D) Data link layer

Answer: B) Physical layer

79: Which OSI layer handles the conversion of data into a format suitable for transmission over the network?

A) Transport layer

B) Network layer

C) Presentation layer

D) Data link layer

Answer: C) Presentation layer

80: Which OSI layer provides services such as session establishment and termination?

A) Transport layer

B) Session layer

C) Network layer

D) Presentation layer

Answer: B) Session layer

81: Which OSI layer is responsible for the physical connection between devices and the transmission of raw bits?

A) Data link layer

B) Network layer

C) Physical layer

D) Presentation layer

Answer: C) Physical layer

82: Which OSI layer handles the establishment and termination of connections between applications on different devices?

A) Data link layer

B) Presentation layer

C) Session layer

D) Transport layer

Answer: C) Session layer

83: Which OSI layer provides services such as network resource sharing and directory services?

A) Application layer

B) Transport layer

C) Data link layer

D) Session layer

Answer: A) Application layer

84: Which OSI layer is responsible for the logical addressing and routing of data packets?

A) Data link layer

B) Presentation layer

C) Network layer

D) Transport layer

Answer: C) Network layer

85: Which OSI layer provides flow control and error detection through sequence numbers and acknowledgments?

A) Presentation layer

B) Transport layer

C) Data link layer

D) Session layer

Answer: B) Transport layer

86: Which OSI layer handles the segmentation and reassembly of data for transmission?

A) Transport layer

B) Session layer

C) Network layer

D) Data link layer

Answer: A) Transport layer

87: Which OSI layer is responsible for the conversion of data into a format suitable for presentation to the user?

A) Network layer

B) Data link layer

C) Presentation layer

D) Application layer

Answer: C) Presentation layer

88: Which OSI layer handles the routing and forwarding of data packets within a network?

A) Presentation layer

B) Session layer

C) Network layer

D) Data link layer

Answer: C) Network layer

89: Which OSI layer provides services such as file transfer, email, and web browsing?

A) Transport layer

B) Data link layer

C) Application layer

D) Physical layer

Answer: C) Application layer

90: Which OSI layer is responsible for the framing and synchronization of data at the data link level?

A) Transport layer

B) Data link layer

C) Network layer

D) Session layer

Answer: B) Data link layer

91: Which OSI layer is responsible for the reliable delivery of data segments from one node to another?

A) Presentation layer

B) Session layer

C) Transport layer

D) Data link layer

Answer: C) Transport layer

92: Which OSI layer handles the conversion of data formats for interoperability between different systems?

A) Network layer

B) Data link layer

C) Presentation layer

D) Application layer

Answer: C) Presentation layer

93: Which OSI layer provides services such as network management and resource allocation?

A) Data link layer

B) Presentation layer

C) Application layer

D) Session layer

Answer: C) Application layer

94: Which OSI layer is responsible for the direct interaction between the user and the network?

A) Transport layer

B) Session layer

C) Presentation layer

D) Application layer

Answer: D) Application layer

95: Which OSI layer handles the framing and synchronization of data for transmission over the network medium?

A) Physical layer

B) Data link layer

C) Session layer

D) Application layer

Answer: B) Data link layer

96: Which OSI layer provides services such as encryption, compression, and data formatting?

A) Transport layer

B) Session layer

C) Presentation layer

D) Network layer

Answer: C) Presentation layer

97: Which OSI layer is responsible for the reliable and ordered delivery of data packets within a network?

A) Transport layer

B) Network layer

C) Data link layer

D) Physical layer

Answer: A) Transport layer

98: Which OSI layer handles the routing and forwarding of data packets between different networks?

A) Data link layer

B) Network layer

C) Presentation layer

D) Application layer

Answer: B) Network layer

99: Which OSI layer is responsible for the physical transmission of data bits over the network medium?

A) Physical layer

B) Transport layer

C) Session layer

D) Presentation layer

Answer: A) Physical layer

100: Which OSI layer provides services such as session establishment and termination?

A) Data link layer

B) Transport layer

C) Presentation layer

D) Session layer

Answer: D) Session layer

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