航班延误或取消时，承运人应迅速及时将航班延误或取消等信息通知旅客，做好解释工作。
查看答案
信息化战争的基础和前提是（）。
A. 武器装备信息化
B. 作战手段的信息化
C. 交通运输的信息化
D. 决策信息化
Which three best describe the partner benefits of the Cisco Lifecycle Services approach？（）
A. Improve customer satisfaction rates
B. Improve the skill sets of their staff members
C. Increase their staff productivity
D. Reduce the risk involved with deploying and supporting new and complex technologies
E. Improve response times for network outages
F. Help ensure that suppliers are meeting metric
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