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Session Layer - OSI Layer

1.
A remote desktop connection disconnects unexpectedly. Which OSI layer is responsible for managing and terminating the session?
Transport Layer
Session Layer
Network Layer
Presentation Layer
The Session Layer establishes, maintains, and terminates sessions between applications.
2.
Video conferencing allows both users to speak at the same time. Which Session Layer function enables this?
Error control
Dialogue control
Segmentation
Routing
Dialogue control manages half-duplex and full-duplex communication.
3.
Which function ensures that communication remains synchronized during long data transfers?
Flow control
Keeps communication synchronized
Encryption
Packet forwarding
The Session Layer maintains synchronization checkpoints during communication.
4.
Which of the following is a real-world example of the Session Layer?
Email transmission
Remote desktop session
IP routing
MAC addressing
Remote desktop requires session establishment and maintenance between applications.
5.
During troubleshooting, which OSI layer should be checked if user sessions fail to reconnect?
Layer 4
OSI Layer 5
Layer 2
Layer 1
Session management issues are handled by OSI Layer 5.
6.
What is the primary responsibility of the Session Layer?
Establish, maintain, terminate sessions
Logical addressing
Frame delivery
Data encryption
The Session Layer manages session lifecycle between communicating applications.
7.
Which OSI layer is known as the Session Layer?
Layer 4
Layer 5
Layer 6
Layer 7
Session Layer is OSI Layer 5.
8.
What is the Protocol Data Unit (PDU) of the Session Layer?
Segment
Packet
Data
Frame
Upper OSI layers (5–7) use Data as their PDU.
9.
Which device may operate at the Session Layer?
Gateway
Hub
Switch
Repeater
Gateways can function at higher OSI layers including the Session Layer.
10.
Which Session Layer feature controls whether communication is half-duplex or full-duplex?
Dialogue control
Segmentation
Error detection
Routing
Dialogue control manages communication direction and mode.
1.
Which OSI layer manages sessions between applications?
Session Layer
Transport Layer
Presentation Layer
Network Layer
Session Layer (Layer 5) establishes, maintains, and terminates sessions.
2.
What are the main functions of the Session Layer?
Establish, maintain, terminate sessions
Routing packets
Segmenting data
MAC addressing
The Session Layer controls session setup, maintenance, and termination between applications.
3.
Which function of the Session Layer handles half-duplex and full-duplex communication?
Dialogue control
Error control
Flow control
Sequencing
Dialogue control ensures proper communication direction and mode.
4.
Which Session Layer function ensures that communication remains in sync?
Keeps communication synchronized
Encryption
Routing
Segmenting
Session Layer maintains synchronization checkpoints during long communications.
5.
What is the Protocol Data Unit (PDU) of the Session Layer?
Data
Segment
Frame
Packet
Session Layer, along with Presentation and Application layers, uses Data as its PDU.
6.
Which device may operate at the Session Layer?
Gateway
Switch
Hub
Repeater
Gateways can function at higher OSI layers including the Session Layer.
7.
Which of the following is an example of a Session Layer application?
Remote desktop session
IP routing
File encryption
MAC address lookup
Remote desktop requires session establishment and maintenance.
8.
Which scenario is managed by the Session Layer?
Video conferencing
DNS resolution
IP forwarding
Error detection
Session Layer manages applications like video conferencing where sessions are active.
9.
At which OSI layer does session management occur?
OSI Layer 5
Layer 4
Layer 6
Layer 7
Session management is the responsibility of OSI Layer 5.
10.
What feature of the Session Layer allows controlling whether data is sent in one or both directions simultaneously?
Half/full duplex communication
Routing
Segmentation
Error correction
Session Layer handles dialogue control (half/full duplex).

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