题目内容

Users have to enter a _______ to gain access to a network.

A. password
B. firewall
C. link

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Industry experts say only education and good _______will stop information theft.

A. protection
B. security
C. firewall

The school has _______a successful relationship with the local community.

A. handled
B. connected
C. established

The Canadians plan to _______ more food to southern Somalia(索马里).

A. deliver
B. handle
C. establish

One expert says more than half the computers in the United States that are used for business lack protection and could be_______.

A. survived
B. attacked
C. delivered