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ccna 200 301 booksmart movie near.differ in the number of layers and in naming them. Network Access Layer - ---------.Figure 4.1 DoD model and OSI model leap ywMwwwawwwwa-wawimiiwii wmwM-wwwmwww mMiwwwmwwwmMiwwwmmwiwwmwwwiwmwiittMiMWOiiMHwnwnttM-mwMwsawaMiME Qmwnonwwiromiiw) training naiu. jia on face. Do Pay" Shun Test Just Knock in When discussing the various protocols in the IP protocol family, layers from both the OSI model and the DoD model can be used. This is because the descriptions of the interconnection network layer and the network layer are the same, and the descriptions of the host-to-host layer and the transport layer are the same.Chapter 4 The TCP/IP DoD ModelThe DoD model contains a variety of protocols in the soaring room, which integrates the various activities and responsibilities of the three layers on the OSI model (application, representation, and session layers). In the next sub-section we will explore these protocols in depth. The protocols defined in the process/application layer are used for node-to-node . application communication and also control the definition of user interfaces.The host-to-host layer touches the same function as the OSI model transport layer, and the protocols it defines are used to establish some level of transport service for applications. Its concerns include creating reliable end-to-end communications, and ensuring error-free transmission of data. This layer is responsible for sequencing packets and maintaining the integrity of the data.The interconnection network layer corresponds to the network layer of the OSI model and specifies the logical transport protocol used for the transmission of packets throughout the network. This layer enables addressing by assigning IP addresses to hosts and is responsible for routing packets between multiple networks.The bottom layer of the DoD model is the NetSuite entry room, which implements the data interaction between hosts and the network. It corresponds to the data link and physical layers of the OSI model, and the network access layer both monitors hardware addressing and defines the protocols for physical data transmission.The DoD model and the OSI model are similar in design and concept, and the corresponding layers are functionally dissimilar. Figure 4.2 illustrates the TCP/IP protocol family, i.e., the many protocols contained therein, and shows how these protocols correspond to the DoD model hierarchy.