In computer networks OSI stand for ?
Open Systems Interconnection Model.
What are the seven layers of OSI model ?
- Application layer
- Presentation layer
- Session layer
Function of session layer ?
Session layer initiates, manages and ends communication between the sender and receiver.
Function of presentation layer ?
Translation, encryption, authentication, data compression.
Difference between Intrusion detection system and intrusion prevention system ?
Deep Packet Inspection (DPI)
DPI is a method of examining the content of data packets as they pass by a checkpoint on the network.
What is packet PayLoad ?
It is actual data transported by a packet.