Networking | OSI Model Layers - Study

Networkin
g

NETWORKING 1
Part 1
OSI model includes major 7 layers and every layer performs a specific
network function in the communication system. These layers are described
below:
 Application layer
 Presentation layer
 Network layer
 Physical layer
 Session layer
 Transport layer
 Datalink layer [1].
TCP/IP model is an advanced version of the OSI protocol that includes major
4 layers including:
 Application layer
 Transport layer
 Link-layer
 Internet layer
Part 2
The three layers of the OSI model containing application, session and
presentation layers correlate with the application layer of TCP/IP in order to
perform data communication effectively. Moreover, the host to the network
layer is related to the physical and data link layers of the TCP/IP suite [2].
Part 3
It is identified that in the TCP model major three layers defined as network
support layers, for example, physical, data link, and network layers. On the

NETWORKING 2
other hand, session, application, and presentation layers are known as the
user support layers used in the communication systems [3].
Part 4
The term data encapsulation is defined as data hiding which is generally
utilized in the TCP/IP and OSI model for implementing network protocols
[4]. In which the consumers can perform a restricted set of operations on
the hidden members of the class by executing particular functions in the
communication networks.
Part 5
It is found that the data link is an effective layer used in the OSI model for
managing communication among the networks and devices. This layer is
responsible for finding the errors or risks, handling access controls and
framing the transmitted signals effectively. Moreover, this layer can be used
for transforming signals from the physical layer to the communication links
[5].
Part 6
It is argued that the network layer is relevant to the distribution of packets
at different networks and devices while transport layer delivery is used to
share entire information from one source to another using communication
channels [6]. In the network layer, the delivery is accurately connection-
oriented but in the transport layer, the delivery may be connection-oriented
and connectionless.
Part 7
It is argued that the error occurred in the communication networks and
nodes may be found using a data link. While an error occurred in the
transmitter and receiver may not be determined using this layer due to