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Q. Explain Session Layer in osi model?
- The session layer defines how to control, start and end conversations (called sessions) between applications.
- This includes the control as well as management of multiple bi-directional messages using dialogue control.
- It as well synchronizes dialogue between two hosts' presentation layers and manages their data exchange.
- The session layer proffers provisions for efficient data transfer.
- Examples: - SQL and ASP (AppleTalk Session Protocol).
There are two logical addressing :- a) Datalink is physical (hardware) addressing. b) Network is logical (software) addressing.
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Error Detection-- CRC Powerful error detection system Rather than addition, binary division is utilized A series of redundant bits called "CRC" or else "CRC remai
Can you describe what a FIREWALL is?
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NETWORK INTERFACE HARDWARE: CPU can't operate data at network speeds. So in order to connect to the network device systems use special purpose hardware for network connection
what's the difference among Symmetric and Asymmetric cryptosystem?
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