in ISO all layers have the same Functions

OSI has ......... layers

Layers: Application, Transport, Internet, Network access

OSI

The layer boundaries should be chosen tomaximize the information flow across the interfaces

It prevents changes in one layer from affecting the other layers, so that they can develop more quickly.

Which layer of the OSI model provides services to enable user interactions with applications, such as email or web browsing?

Provides an error-free communication link

ransmission of raw bits over a communication channe

Issues: Physical Addressing & Error detection, framing

Media Access Control (MAC) sub-layer for providing DLC with “virtual wires” on multi-access

Which layer of the OSI model is responsible for converting data into a format suitable for transmission over a network?

Issues: Mechanical interfaces, Electrical or optical interfaces, Time per bit, Distances between nodes

Which layer of the OSI model provides reliable, end-to-end data delivery and ensures that data packets are delivered in the correct order?

Which layer of the OSI model deals with the physical transmission of data over a network medium?

Many protocol suites do not include a session layer.

Many protocol suites do include a Presentation Layer

Which layer of the OSI model establishes, manages, and terminates sessions between applications on different network devices?

Which layer of the OSI model provides error detection and correction at the bit level?

determines what type of service to provide to the session layer

Issues: packet headers, virtual circuits