关于城域网建设方案特点的描述中，下列哪些是正确的（） 主干传输介质一般采用光纤。 交换结点采用基于IP交换的高速路由交换机或ATM交换机。 采用ISO／OSI七层结构模型。 采用核心交换层，业务汇聚层与接入层3层模式。
A retail customer has an 8-core Power 740 server with 2 partitions. Production has 4 dedicated cores and the test partition has 2 dedicated cores. Both partitions run during the day without problems. At night, batch processing is exceeding the run window. Which solution addresses this problem without requiring additional hardware?（） AddingVMControl will automate processor resource allocation during peak workloads.。 Enable Dynamic Symmetric Multithreading in the HMC to balance workloads across processors.。 Add processing resources during the times they are required using Utility Capacity on Demand.。 Changing the partitions to Uncapped can make use of additional processor cycles during peak workloads.。
肾小管重吸收作用不会对外源化学物的毒性造成影响。
需求评估
Which of the following options are valid choices for cluster communication security？（） rsh and ssh。 Standard and VPN。 rhost and .shosts。 Classic and Enhanced。
男性，32岁，全麻下开颅手术，术后已清醒，应采取的体位是（）
