16.
According to the study sponsored by RSA Data Security, two thirds of the subjects _______.
A. had their corporate data stolen
B. depended on wireless computer networks
C. were exposed to drive-by hacking
D. were unaware of the risk of wireless hacking
17 Which of the following is not considered in the study?
A. The number of wireless hacking incidents.
B. The number of wireless computer networks.
C. The way in which data are sent and received.
D. The way in which data are hacked and stolen.
18. Most wireless network technology comprises _________.
A. data encryption programs
B.
password security programs
C. illegal-user detection
D.
virus-intrusion detection
19. Raymond Kruck most probably agrees that wireless network security involves ________.
A.
wireless signal administration
B. changes in user’s awareness
C. users’ psychological health
D. stronger physical walls
20. Without firewalls, companies using wireless networks __________.
A. cannot operate normally
B. should turn to passwords
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