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Session Layer MCQs

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  1. What is the primary function of the Session Layer in the OSI model?
    • A) Data formatting
    • B) Data transmission
    • C) Session management between applications
    • D) End-to-end communication
    • Answer: C) Session management between applications
  2. Which of the following protocols operates at the Session Layer?
    • A) TCP
    • B) UDP
    • C) RPC
    • D) IP
    • Answer: C) RPC
  3. Which layer is responsible for establishing, maintaining, and terminating communication sessions?
    • A) Network Layer
    • B) Transport Layer
    • C) Session Layer
    • D) Application Layer
    • Answer: C) Session Layer
  4. The NetBIOS protocol is an example of a protocol operating at which layer?
    • A) Application Layer
    • B) Transport Layer
    • C) Network Layer
    • D) Session Layer
    • Answer: D) Session Layer
  5. Which of the following is a key function of the Session Layer?
    • A) Data segmentation
    • B) Error detection and correction
    • C) Session synchronization
    • D) Packet routing
    • Answer: C) Session synchronization
  6. Which of the following allows for full-duplex communication at the Session Layer?
    • A) SMTP
    • B) HTTP
    • C) NetBIOS
    • D) IMAP
    • Answer: C) NetBIOS
  7. Which protocol is used to manage communication between applications over a network at the Session Layer?
    • A) UDP
    • B) HTTP
    • C) SMB
    • D) FTP
    • Answer: C) SMB
  8. Which of the following refers to a controlled flow of data between applications on two different devices?
    • A) Dialog control
    • B) Data formatting
    • C) Error handling
    • D) Routing control
    • Answer: A) Dialog control
  9. What happens during session termination at the Session Layer?
    • A) Connection is reset
    • B) Data flow is stopped
    • C) Communication is lost
    • D) Resources are released and the session is closed
    • Answer: D) Resources are released and the session is closed
  10. Which of the following is the primary responsibility of the Session Layer regarding data exchange?
    • A) Data compression
    • B) Data segmentation
    • C) Data synchronization
    • D) Data routing
    • Answer: C) Data synchronization
  11. In which of the following is the Session Layer responsible for dialog control?
    • A) Simplex communication
    • B) Half-duplex communication
    • C) Full-duplex communication
    • D) All of the above
    • Answer: D) All of the above
  12. Which of the following best describes the role of checkpoints in the Session Layer?
    • A) They ensure data is transmitted efficiently.
    • B) They allow recovery of data in case of failure.
    • C) They determine the flow rate of data.
    • D) They handle data fragmentation.
    • Answer: B) They allow recovery of data in case of failure.
  13. Which of the following is NOT a protocol used at the Session Layer?
    • A) NetBIOS
    • B) RPC
    • C) FTP
    • D) PPTP
    • Answer: C) FTP
  14. The PPTP protocol operates at which OSI layer?
    • A) Transport Layer
    • B) Network Layer
    • C) Session Layer
    • D) Application Layer
    • Answer: C) Session Layer
  15. Session Layer’s role in a communication involves ensuring:
    • A) Secure data transmission
    • B) Compression of data
    • C) Data exchange between application processes
    • D) Routing of data across networks
    • Answer: C) Data exchange between application processes
  16. Which of the following layers is directly responsible for managing data flow during communication?
    • A) Transport Layer
    • B) Session Layer
    • C) Network Layer
    • D) Data Link Layer
    • Answer: B) Session Layer
  17. Which of the following defines the protocol used for handling communication sessions over the internet?
    • A) RPC
    • B) IP
    • C) HTTP
    • D) SMTP
    • Answer: A) RPC
  18. What does “session establishment” mean in the context of the Session Layer?
    • A) A new communication connection is created and initiated
    • B) Data is transmitted over the network
    • C) Data is formatted for transmission
    • D) A session is completed and closed
    • Answer: A) A new communication connection is created and initiated
  19. Which of the following is NOT part of the session management process?
    • A) Establishment of connection
    • B) Termination of the session
    • C) Error correction during transmission
    • D) Maintenance of the session
    • Answer: C) Error correction during transmission
  20. What layer comes directly above the Session Layer in the OSI model?
    • A) Transport Layer
    • B) Application Layer
    • C) Presentation Layer
    • D) Data Link Layer
    • Answer: B) Application Layer
  21. Which of the following is true about dialog control in the Session Layer?
    • A) It ensures data is delivered to the correct application.
    • B) It handles data synchronization between sending and receiving devices.
    • C) It prevents the loss of data during transmission.
    • D) It defines whether the communication is half-duplex or full-duplex.
    • Answer: D) It defines whether the communication is half-duplex or full-duplex.
  22. The SMB protocol primarily operates at which OSI layer?
    • A) Network Layer
    • B) Transport Layer
    • C) Session Layer
    • D) Application Layer
    • Answer: C) Session Layer
  23. Which of the following is a characteristic of full-duplex communication?
    • A) Data flows in one direction only.
    • B) Data flows in both directions simultaneously.
    • C) Data flows in both directions but not at the same time.
    • D) Data is transmitted using a single channel.
    • Answer: B) Data flows in both directions simultaneously.
  24. Which of the following protocols ensures the setup and management of sessions?
    • A) FTP
    • B) HTTP
    • C) NetBIOS
    • D) TCP
    • Answer: C) NetBIOS
  25. Session Layer operates at which OSI model layer number?
    • A) Layer 3
    • B) Layer 4
    • C) Layer 5
    • D) Layer 7
    • Answer: C) Layer 5
  26. What does the Session Layer help with in terms of data flow control?
    • A) Encryption and decryption
    • B) Ensuring data is delivered in the correct order
    • C) Managing data compression
    • D) Ensuring reliable data transmission across different networks
    • Answer: B) Ensuring data is delivered in the correct order
  27. Which of the following is not typically a responsibility of the Session Layer?
    • A) Maintaining connection state
    • B) Managing dialog between two devices
    • C) Routing data packets
    • D) Establishing communication sessions
    • Answer: C) Routing data packets
  28. The primary purpose of checkpointing in the Session Layer is to:
    • A) Detect errors in transmission
    • B) Allow data recovery in case of transmission failure
    • C) Format data for presentation
    • D) Manage application session termination
    • Answer: B) Allow data recovery in case of transmission failure
  29. Which of the following session control methods is supported by the Session Layer?
    • A) Flow control
    • B) Error detection and correction
    • C) Session synchronization and dialog control
    • D) Data encryption
    • Answer: C) Session synchronization and dialog control
  30. Which layer is responsible for the actual end-to-end transmission of data, ensuring the complete data transfer?
    • A) Session Layer
    • B) Transport Layer
    • C) Network Layer
    • D) Application Layer
    • Answer: B) Transport Layer
  31. Which of the following is the function of the Session Layer in relation to application processes?
    • A) Secure the transmission of data between applications
    • B) Provide routing for data transmission
    • C) Control dialog and manage data transfer between applications
    • D) Format data for the network layer
    • Answer: C) Control dialog and manage data transfer between applications
  32. Which protocol is used for establishing remote sessions between computers?
    • A) SSH
    • B) FTP
    • C) Telnet
    • D) NetBIOS
    • Answer: C) Telnet
  33. Which of the following best describes the synchronization function in the Session Layer?
    • A) Data is compressed before transmission.
    • B) Data flow is checked to ensure it follows a logical order.
    • C) Data is encrypted to ensure confidentiality.
    • D) Data is segmented into smaller chunks for faster transmission.
    • Answer: B) Data flow is checked to ensure it follows a logical order.
  34. In the Session Layer, which protocol is used for the management of remote procedure calls?
    • A) RPC
    • B) FTP
    • C) HTTP
    • D) TCP
    • Answer: A) RPC
  35. The NetBIOS protocol operates primarily at which OSI layer?
    • A) Transport Layer
    • B) Session Layer
    • C) Network Layer
    • D) Data Link Layer
    • Answer: B) Session Layer
  36. Which of the following session management functions is not performed by the Session Layer?
    • A) Error detection and correction
    • B) Dialog synchronization
    • C) Communication session initiation and termination
    • D) Coordination of data exchange between applications
    • Answer: A) Error detection and correction
  37. What role does the Session Layer play in ensuring secure data transmission?
    • A) Encrypting data
    • B) Compressing data
    • C) Managing dialog and session integrity
    • D) Ensuring packets are routed efficiently
    • Answer: C) Managing dialog and session integrity
  38. Session Layer handles which of the following?
    • A) Routing data between networks
    • B) Ensuring data is formatted for the application
    • C) Managing sessions and dialog control
    • D) Fragmenting large data packets
    • Answer: C) Managing sessions and dialog control
  39. Which of the following is part of the Session Layer’s dialog control?
    • A) Sequence control
    • B) Flow control
    • C) Full-duplex or half-duplex communication
    • D) End-to-end communication
    • Answer: C) Full-duplex or half-duplex communication
  40. What would happen if the Session Layer didn’t properly manage session synchronization?
    • A) Data would be lost or out of sequence.
    • B) Data would be fragmented into smaller packets.
    • C) Data would be compressed unnecessarily.
    • D) Communication would be encrypted.
    • Answer: A) Data would be lost or out of sequence.
  41. Which of the following best describes the function of the Session Layer in ensuring orderly communication?
    • A) Handling data routing
    • B) Compressing data
    • C) Managing the session between applications
    • D) Ensuring error-free communication
    • Answer: C) Managing the session between applications
  42. Which protocol manages multiple sessions between a client and server?
    • A) TCP
    • B) HTTP
    • C) NetBIOS
    • D) FTP
    • Answer: C) NetBIOS
  43. Session Layer ensures what type of communication?
    • A) Encrypted
    • B) Compressed
    • C) Ordered and synchronized
    • D) Fragmented and routed
    • Answer: C) Ordered and synchronized
  44. Which layer above the Session Layer in OSI handles the application data for transmission?
    • A) Network Layer
    • B) Data Link Layer
    • C) Presentation Layer
    • D) Application Layer
    • Answer: C) Presentation Layer
  45. Which feature is important for session management at the Session Layer?
    • A) Data routing
    • B) Session synchronization
    • C) Data encryption
    • D) Data fragmentation
    • Answer: B) Session synchronization
  46. The primary responsibility of the Session Layer is to:
    • A) Control the session between communicating applications
    • B) Provide routing for data between networks
    • C) Format data for the network
    • D) Provide encryption services
    • Answer: A) Control the session between communicating applications
  47. Session Layer interacts directly with which other layer in the OSI model?
    • A) Application Layer
    • B) Data Link Layer
    • C) Network Layer
    • D) Transport Layer
    • Answer: A) Application Layer
  48. Which of the following does the Session Layer NOT do?
    • A) Initiate, maintain, and terminate sessions
    • B) Handle data routing
    • C) Manage the flow of data between two applications
    • D) Synchronize the communication between applications
    • Answer: B) Handle data routing
  49. In the Session Layer, how does data recovery occur after a failure?
    • A) By resetting the connection
    • B) By using checkpoints to resume from the last known good state
    • C) By encrypting data again
    • D) By retransmitting all data
    • Answer: B) By using checkpoints to resume from the last known good state
  50. Which of the following best describes the Session Layer’s relationship with the Transport Layer?
    • A) The Session Layer defines the application session, while the Transport Layer manages the actual transmission of data.
    • B) The Session Layer provides data compression, while the Transport Layer ensures error detection.
    • C) The Session Layer is not connected to the Transport Layer.
    • D) The Session Layer handles encryption and decryption, while the Transport Layer handles routing.
    • Answer: A) The Session Layer defines the application session, while the Transport Layer manages the actual transmission of data.

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