Given two different character sets (A and B), which of the following must be true for A to be considered a strict superset of B?（） A must contain all of the characters defined in B。 A must be Unicode。 The encoded values in A must match the encoded values in B for all characters defined in B。 A must be a multibyte character set。 The encoded values in A must match the encoded values in B for all numeric and alphabetic characters in B。
A customer needs a test bed server to run 64-bit modeling， simulation， and other technical applications which require 2-way processors and 6GB RAM in a clustered mode. They also indicated that this server might be used to run 32-bit applications. Which of the following servers should be recommended to meet the requirements at the least cost？（） e326。 x460。 x306。 x236。
债券评估时的风险报酬率，其高低与（）有关。 投资者的竞争能力。 发行者的竞争能力。 投资者的财务能力。 发行者的财务能力。
当三相交流电路的负载采用Y接线时，线电压等于相电压的（） √2倍。 √3倍。 0.707倍。 1.57倍。
A customer wants to run VMWare ESX on an x445 with a large number of virtual machines running Windows 2003 Server as a Disaster Recovery （DR） Site for the production environment. Which of the following questions would most impact the memory configuration？（） What version of VMWare ESX Server is being considered？。 Do the systems currently use Double Data Rate （DDR） memory？。 What is the total number of processors installed in the production systems？。 What is the total amount of memory currently being used across all the production systems？。
在接地体径向地面上，水平距离为（）m处的两点间的电压，称为跨步电压。
