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23. Using a figure, please illustrate a Mobile IP operation in FA- assisted mode. Pl tunneling and de-tunneling. ease show all the components including HA, FA and 24. What is Dijkstra's algorithm, what it is used for, and whickh routing protocol uses it for shortest path? Please consider the following network and with the indicated link costs, use Dijkstra's shortest-path algorithm to compute the shortest path from node "u" to all network nodes. Please illustrate the iteration in a tabular format beginning with the equation. 5 3 2 2