Management information Systems questions

9. The ability to scramble and code messages through keys that are shared only beturecn the sender and receiver is eferred to as s0. d WiMAX o the Internet e. tnowdband services d bridge services 33. With heonghout the 24 channels (grougs of wiees) of 64 Khps each can be thought of as a Tunmel" theough the Internct or oves public netwokthaas only authorized users to a. peer-to-peer LAN b. VPN e. WLAN d. WAN 56. Thore are wo everali sppronches to and manipulating data- and the, a. database approach e. asymmetric approach b. object-oriented approach d. indexed file approach