A customer’s new IBM System Storage DS8000 must be raised by two floors in the building to place it in the computer room. In order to simplify the physical delivery, the storage specialist asks for ()
A. a quotation for extra delivery services
B. the addition to the configuration of the feature "Shipping weight reduction" at no charge
C. an order of the DS8000 with the minimum number of drive sets allowed and an MES order for the remaining drive sets needed
D. an RPQ order to receive frames and drive sets separately
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常用的空间模型表达方法有()
A. 实物模型与抽象模型两类
B. 实体模型与图纸模型两类
C. 空间模型、实体模型与几何图表模型三类
D. 实体模型与概念模型两类
根据舌的生理特点,舌根对()最敏感。
A. 鲜味
B. 苦味
C. 咸味
D. 酸味
关于信息系统测试的方法,以下说法错误的是()
A. 平行模拟法的优点是不会干扰被审计单位的信息系统的运行
B. 测试数据法和受控处理法所测试的数据都是虚拟的业务数据
C. 虚拟实体法是对测试数据法的改良
D. 虚拟实体法在测试结束后需要妥善清理虚拟实体产生的数据
卷筒纸胶印机折页部分八开或三十二开甩页的原因及调整方法。