某男性患者，53岁，体重65kg。平素身体健康，因反复呕吐3d入院。测得血钠129mmol/L，血钾3.2mmol/L。初步诊断为（） 低钾血症，高渗性脱水。 高钾血症，重度缺钠。 低钾血症，轻度缺钠。 低钾血症，中度缺钠。 血钾正常，等渗性脱水。
A system administrator is installing a p5 590 server with an HMC. After pulling the websm client down, it is not possible to connect to the HMC. The HMC can be pinged from the client. Which of the following settings should be verified next?（） The routes on the HMC。 The firewall setting of the LAN adapter。 The name resolution protocol on the p5 590 server。 The subnet mask settings on the Ethernet adapter。
A customer is considering a DS3500 to replace an installed DS3400. Which is a supporting reason for this change of the following？（） A total of 48 drives are required。 iSCSI and FC are needed in the same units。 Remote mirroring is required。 Must attach to an installed EXP3000。
城市发展模式有哪些类型？
In Recovery Manager （RMAN）， you set the retention policy to NONE by executing the following command： CONFIGURE RETENTION POLICY TO NONE; What would be the impact of this setting？（） The retention policy is cleared.。 RMAN does not consider any backup as obsolete.。 The retention policy is set to its default setting of redundancy 1.。 The retention policy is set to its default setting of recovery window 7.。
公称容积大于等于（）升的气瓶，应配有固定瓶帽或保护罩；瓶底不能自行直立的，应配有底座。
