Session Layer

Question 1

Which OSI layer there manages establishing, maintaining and terminating sessions between applications

Answer 1

Session Layer

Question 2

What is a session in networking

Answer 2

A logical dialogue / ongoing data exchange between two applications

Question 3

Main jobs of the session layer

Answer 3

Establish session, keep session alive and synchronized, gracefully terminate session

Question 4

What is checkpointing/ session recovery

Answer 4

If connection drops , session Layer can resume from last checkpoint instead of starting over

Question 5

Classic real world protocol that operates a layer five

Answer 5

NetBIOS(used by SMB for windows file sharing)

Question 6

Another common layer 5 protocol used for remote procedure goals

Answer 6

RPC (Remote Procedure Call)

Question 7

In practice, where do we actually see most session layer functions today

Answer 7

Handled inside the application itself or by protocols like SMB, RPC ,SIP

Question 8

Which layers responsible for dialogue control and session recovery checkpointing

Answer 8

Session Layer