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UDP                         TCP           5.3
 UDP TCP                                                                          5.4
                                                Internet Layer
IP
           IP address                        Data Packets

                                                                     Routers

                                             Network Access Layer

Ethernet

                            1

                                             Switch

                                                                              5.5

                                                                              ●
                                                                              ●
                                                                              ●

                Packets

                                                                   Packet     ●
                                                                              ●

          2024           ©                                                    65
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