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【单选题】
一般认为PKI/CA没提供哪个主要服务?()A.
认证
B.
监督
C.
完整性
D.
机密性
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参考解析：
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皮皮学刷刷变学霸
举一反三
【简答题】A．if B．unless C．so far D．so far as
【单选题】So far as___interest is concerned, D/P at sight is more favorable than D/P after sight, and D/P is more favorable than D/A.
A.
the exporter's
B.
the importer's
C.
the consumer's
D.
the government's
【单选题】The result of the researches so far may help, as asserted by one of the researchers,
A.
to prevent cardiovascular disease and cancer.
B.
to understand the processes that lead to cell death.
C.
to improve our memories.
D.
to do what we think is right.
【简答题】可以同时删除字符串前导和尾部空格的函数是 。 A. Ltrim B. Rtrim C. Trim D. Mid
【简答题】A．if B．unless C．so far D．so far as
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