Information encrypted with the creator's private key that is used to authenticate the sender is called
A) asymmetric encryption.
B) digital certificate.
C) digital signature.
D) public key.
Answer: C
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Which of the following has been suggested by industry observers as a major problem associated with respondents failing to participate in surveys?
A) fear of invasion of privacy B) skepticism regarding the benefits of participating in research C) research as a guise for telemarketing (Sugging and Frugging) D) all of the above have been suggested by industry observers E) none of the above have been suggested by industry observers
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According to Table 11-3, there are five activities in a PERT project. Which activities are on the critical path?
A) A-B-C-D-E B) A-C-E C) B-D D) A-B-C-D E) B-E
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