OSI Model

Layer that supports user –interface ,e-mail, file transfer and database access

• Session Layer

• Application Layer

• Network Layer

• Datalink layer

Identify the protocols used in Presentation Layer.

• SMTP

• FTP

• ASCII

• www

Expand OSI Model.

• Outer System Indication Model

• Outline signal Interaction Model

• Open Systems Interconnection Model

Physical layer uses ___________

• Cables and Network Cards

• Data Packets

• Software Application

• Transmission lines

Name the layer that determines best path or route and manages data problems such as congestion.

• Session Layer

• Presentation Layer

• Network Layer

• Transport Layer