A banking customer plans to implement a BladeCenter H chassis. They plan for seven HS22 blades, six HX5 blades with MAX5, one 1U external Fibre Channel switch, and two 3U Fibre Channel storage devices with fourteen 146GB drives. Which of the following is the minimum amount of rack space required to implement the solution?（） ["32U ","25U ","22U ","21U"]
长期投资评估的特点有（）。 ["长期债权投资评估是对资本的评估","长期债权投资评估是对被投资企业的偿债能力的评估","长期股权投资评估是对被投资企业的活力能力的评估","长期股权投资评估是对企业重置成本的评估"]
Your database is open and the LISTENER listener is running. The new DBA of the system stops the listener byusing the command：LSNRCTL> STOP What happens to the sessions that are presently connected to the database instance（） ["The sessions are able to perform only queries.","The sessions are not affected and continue to function normally.","The sessions are terminated and the active transactions are rolled back.","The sessions are not allowed to perform any operations till the listener is started"]
项目管理以（）为核心，建立完善合同管理体系，合同管理从产生、执行、终止全过程始终处于有序和受控状态。 ["合同","招标文件","监理文件","施工计划"]
Which of the following is not a valid setting for the PROGRAM_TYPE parameter in a program object or the JOB_TYPE parameter in a job object？（） [" PLSQL_BLOCK"," JAVA_STORED_PROCEDURE"," STORED_PROCEDURE"," EXECUTABLE"," None of the above are invalid settings."]
基尔霍夫定律包括两个即：节点电流定律和（）
