During the process of fallover testing, a client/server database needs to be tested. On the AIX Server, start/stop/cleanup scripts and server application functionality have been tested. Before moving onto the next step of fallover testing,what action must be completed?()
A. Run who -a and validate that client connections are restored.
B. Verify that the client side application is functioning properly.
Check hacmp.out log file to validate that the application server started.
D. Verify that the application will successfully stop and restart on the fallover node.
迄今为止,空间技术的每一次重大突破,都引起了生产力的深刻变革和人类社会的巨大进步。从卫星通信到太空育种,从气象预报到新材料试验„„半个世纪以来,全球发射到空间轨道上的4000多个航天器,使人类的生活时刻被覆盖在太空技术的光辉之下。这主要说明了()
A. 科技创新会推动人类思维和文化的发展
B. 科技创新对社会发展起积极的推动作用
C. 科学技术的每一次进步都是通过创新实现的
D. 科技创新会推动生产关系和社会制度的变革