单项选择题

Which of the following can be the best title of the passage

A．The Advantage of Eating Less Meat
B．Why People Become Vegetarian
C．Environmental Protection and Meatless Diet
D．Save Chickens, Save Birds
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单项选择题
It is recommended in the passage as a security measure that people should ______.
A．turn off network services
B．employ a full-inspection firewall
C．make sure that servers and applications are combined
D．eliminate all the programs
单项选择题
What is the most important one among the realities listed in the passage
A．New vulnerabilities will be introduced into your environment every day.
B．The manager educates employees about properly configuring firewalls and intrusion detection systems for their PCs.
C．Managers have more responsibility than ever.
D．Security managers are asked to support increasing degrees of network availability and access.
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