WIRELESS NETWORKS AND MOBILE IP
WIRELESS NETWORKS
|
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
|
|
|
Layer 1
|
|
|
Layer 2
|
|
|
Layer 3
|
|
|
Layer 4
|
Detailed explanation-1: -Answer : Network layer 3 is the lowest layer of the OSI Model at which wired and wireless transmissions share the same protocol .
Detailed explanation-2: -The four layers of the TCP/IP model are the host-to-network layer, internet/network layer, transport layer and the application layer. The purpose of each layer in the TCP/IP protocol suite is detailed below. The above image represents the layers of TCP/IP protocol suite.
Detailed explanation-3: -LAYER 1-The physical layer in the wired world consist of connectors, cables, fiber, and gbics. This is also the layer where data gets transmitted / received into bits, 0’s and 1’s using complex coding and modulations. LAYER 2-The data layer is where upper layer information (Layers 3-7) is encapsulated into a frame.
Detailed explanation-4: -As a rule of thumb, WiFi (802.11) operates at the first two layers of the OSI model, in other words, the physical layer and the data link layer.