COMPUTER NETWORKING

TRANSPORT LAYER

TRANSMISSION CONTROL PROTOCOL TCP

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which 2 layers in the OSI model correspond to only one layer each in the TCP/IP model?
A
Transport
B
Network
C
Session
D
Physical
E
Data Link
Explanation: 

Detailed explanation-1: -OSI uses two separate layers–physical and data-link–to define the functionality of the bottom layers, while TCP/IP uses only the link layer. OSI uses the network layer to define the routing standards and protocols, while TCP/IP uses the internet layer.

Detailed explanation-2: -The network layer present in the OSI layer gets segments from the transport layer and transforms them into packets by adding the source and destination IP addresses similarly the internet layer present in TCP/IP receives segments and transforms them into packets. Hence it is the correct option.

Detailed explanation-3: -The TCP/IP model breaks the network stack into four layers: Application Layer: This single layer maps to the Application, Presentation, and Session layers of the OSI model. Some protocols that operate at this layer include HTTP, SMTP, and DNS.

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