QUESTION 3 (10 marks) (a) Consider the following Figure 3 that illustrates screenshot of list of available WiFi to be connected by a wireless device, W. Based on the figure, state the most appropriate channel scanning used by W and describe the scanning process with labels. (Hint: Use all the frames involved in the process) (5 marks) Find and join a Wi-Fi network. Choose the Wi-Fi network you want to join from the list below. Emilyia HUAWEI-97EC Lucky Sweet Home Lim mma2020-5GHz@unifi Nofreewifiwi2.4GHz SIVA2450 2.4GHz@unifi tangchaibeng@unifi Scanning... ? Join Other Cancel Join Figure 3 (b) Explain the steps involved on how a correspondent, C4 can communicates with a mobile node, M4 in a visited network