IT subject - Wirless Access Technologies

Please help to answers the following red circles for four questions by steps by steps as below :

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Q3. (a) Assume an ad-hoc network with Internet sharing between host and client computers is being configured. The Gigabit-Ethernet and Wireless LAN IP addresses of the host computer are 172.19.104.9 and 192.168.1.3 respectively. The Wireless LAN IP address of the client computer is 192.168.1.4 There is a default route in the routing table of the client computer. Determine the followings: (i)) the destination network IP address with netmask; (ii) exit interface IP address; (iii)) gateway IP address. [2 marks] [1 mark) [1 mark] ith the help of a timing diagram, describe the 4-way handshaking process with [5 marks] IFS (Inter-frame Space) between sender and receiver in 802.11