COMPUTER NETWORKING

INTRODUCTION

PROTOCOL LAYERING

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Where does routing occur within the DoD TCP/IP reference model?
A
application
B
internet
C
network
D
transport
Explanation: 

Detailed explanation-1: -Routing occurs at layer 3 of the TCP/IP model which resembles the MANET protocol presented in Figure 2 below. Routing could be reduced to two fundamental tasks, route discovery and packet switching.

Detailed explanation-2: -Network layer (also called Internet layer): responsible for transferring data between different networks. This includes (global) addressing and routing.

Detailed explanation-3: -According to the OSI layer concept, routing, or best path selection, takes place on Layer 3 and is based on the logical address.

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