Without propersafeguards,every part of a network is vulnerable to a security breach orunauthorized activity from（本题）,competitors,or even employees.Many ofthe organizations that manage their own（72）network security and usethe Internet for more than just sending/receiving e-mails experience anetwork（73）—and more than half of these companies donot even know they were attacked.Smaller（74）are often complacent,having gained a false sense of security.They usually react to the last virusor the most recent defacing of their website.But they aretrapped in asituation where they do not have the necessary time and（75）to spend on security.A.intrudersB.terminalsC.hostsD.users
Without proper
safeguards,every part of a network is vulnerable to a security breach or
unauthorized activity from（本题）,competitors,or even employees.Many of
the organizations that manage their own
（72）network security and use
the Internet for more than just sending/receiving e-mails experience a
network（73）—and more than half of these companies do
not even know they were attacked.Smaller
（74）are often complacent,
having gained a false sense of security.They usually react to the last virus
or the most recent defacing of their website.But they are
trapped in a
situation where they do not have the necessary time and（75）
to spend on security.
safeguards,every part of a network is vulnerable to a security breach or
unauthorized activity from（本题）,competitors,or even employees.Many of
the organizations that manage their own
（72）network security and use
the Internet for more than just sending/receiving e-mails experience a
network（73）—and more than half of these companies do
not even know they were attacked.Smaller
（74）are often complacent,
having gained a false sense of security.They usually react to the last virus
or the most recent defacing of their website.But they are
trapped in a
situation where they do not have the necessary time and（75）
to spend on security.
A.intruders
B.terminals
C.hosts
D.users
B.terminals
C.hosts
D.users
参考解析
解析：
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