Problem 6: Suppose Khalidia is served by MSC#1 and Edailiya is served by MSC#2. A KU student drives from Kuwait University Khalidia campus to a cafe in Edailiya: a) How is his/her location being tracked by the Mobile Network? b) Suppose he/she turn off his/her mobile in Khalidia and turn on it in Edailiya, what does the network do in this case? c) Suppose a friend tries to call him/her after he/she turned his/her mobile on, how does the call delivery happen? d) Suppose a friend tries to call him/her before he/she turned his/her mobile on, how does the call delivery happen