When a mobile user is connected to the mobile service, how many sets of information is exchanged ?
A. 1
B. 2
C. 3
D. 4
Answer:A
When a mobile user is connected to the mobile service, how many sets of information is exchanged ?
A. 1 B. 2 C. 3 D. 4
Explanation:Two different sets of information is exchanged between user and mobile-logical and physical context. 2. Point out the wrong statement: