题目内容

关于密码说法错误的是( )

A. DES是经典的对称密码
B. RSA是经典的非对称密码
C. RSA算法基于移位和替换原理

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密码体制有对称密码体制、非对称密码体制。

A. 对
B. 错

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Sophia Estroich works as a manager in a multinational firm. She focuses on long-term questions facing the organisation and uses information systems to help her in planning which countries to compete in and what strategy to employ to grow the business. Sophia is in the _____ level of the organisation.

A. Operational
B. Tactical
C. Executive
D. Functional

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Which of the following is an example of outsourcing?

A. Microsoft hands over its customer service function to Convergys, located in India.
B. Volkswagen acquires a steel manufacturing plant to reduce its overall production costs
C. Dell sources computer parts from suppliers located in Russia.
D. P&G acquires a retail outlet to reduce its distribution costs

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Information systems today are _________.

A. slower than in the past
B. utilize by only a few select individuals
C. ubiquitous
D. stable and should not change

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关于密码说法错误的是( )

A. DES是经典的对称密码 B. RSA是经典的非对称密码 C. RSA算法基于移位和替换原理

密码体制有对称密码体制、非对称密码体制。

Which of the following is an example of outsourcing?

Information systems today are _________.

A. DES是经典的对称密码
B. RSA是经典的非对称密码
C. RSA算法基于移位和替换原理