Please Do Not Throw Sausage Pizza Away
physical data network transport session presentation application
Application Layer
Layer 7: The Application Layer
PGP works at the Layer 6 - Presentation level.
Layer 3,4 and 7
There are 7 layers in the OSI model which are from top to bottom: application layer / presentation layer / session layer / transportation layer / network layer / data link layer / physical layer
That would be layer 7 - the application layer.
7 - application
ftp i.e file transfer protocol,used to transfer a file from node to node FTP works at OSI layer 7, the Application layer
FTP (File Transfer Protocol) is an application layer, or Layer 7, protocol.
IP operates at layer 3, this is the NETWORK LAYER in the OSI Model. Network+ Guide to Networks Fifth Edition Ch02, pg56, Figure 2-7
osi stands for open system interneconnections and it is based on international standard organisation. There are seven layers in osi model 7)Application Layer 6)Presentation Layer 5)Session Layer 4)Transport Layer 3)Network Layer 2)Datalink Layer 1)Physical Layer
OSI stands for Open system interconnection model. Application layer is the seventh layer in OSI model.