Layer 4 in the OSI model corresponds to which of the following?

Layer 4 in the OSI model corresponds to which of the following?

• Network layer
• Transport layer
• Physical layer
• Presentation layer 

EXPLANATION

 

Transport layer

The Transport  layer is also called as the layer 4 of the OSI model. Here are the basic functionalities of the Transport layer:

• Responsible for the transparent transfer of data between end systems
• Responsible for end-to-end error recovery and flow control
• Responsible for complete data transfer.
• Protocols like SPX, TCP, UDP work here