单项选择题

（）can be considered as part of risk mitigation.

A. Risk identification
B. Purchasing insurance
C. Assessment of outcomes
D. Assessment of probabilities

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单项选择题

（）is not the advantage of GERT （Graphical evaluation and review techniques）as compared with PERT （project evaluation and review techniques）.

A. Allowing looping
B. Allowing for dummy tasks
C. Allowing branching
D. Allowing multiple project end results

单项选择题

The length of the IPv6 address is （）.

A. 64 bytes
B. 128 bytes
C. 64 bits
D. 128 bits

单项选择题

A （）is a software that provides a method of communication between two electronic devices over the World Wide Web.

A. router
B. cober
C. J2EE
D. web service

（ ）can be considered as part of risk mitigation.