An IBM Business Partner suggests an IBM System Storage DS8000 to a customer with a SAN that is now configured with an EMC Symmetrix subsystem disk. The customer wants to determine if new HBAs and software upgrades are needed on the servers if the EMC storage is replaced by the DS8000 What document must be carefully read to help address the customer’s concerns（） IBM System Storage DS8000： Host Systems Attachment Guide。 DS8000 Interoperability Matrix。 IBM System Storage DS8000： Introduction and Planning Guide。 IBM System Storage Solution Handbook。
在给学生教新的问题解决任务时，最适宜的方法是从学生熟悉的例子引入新课题。从知识分类学习论来看，最适当的解释是（） 熟悉的例子可以减轻初学者的工作记忆负担。 熟悉的例子可以使学生感到亲切。 可以避免学生认知发展阶段的限制。 这样可以促进新任务的学习与记忆。
一个客户有一个IO比较敏感，比较耗用缓存的应用，下面哪方面可能对性能影响比较明显？（） 写缓存。 服务器中的高速缓存。 磁盘驱动器机械臂。 磁盘阵列中的高速缓存。
An application writes to a log file in the /logs filesystem that is full. After the log file is deleted, 'df' still shows the filesystem as 100% full. What is the likely cause of the problem and what will resolve it?（） The deleted file is still open by the application.The system must be rebooted before'df' will show the reduction in the filesystem.。 The deleted file is still open by the application.The application must be stoppedbefore 'df' will show the reduction in the filesystem.。 The filesystem is still marked as full in the /etc/fs.status file.The system must be rebooted before 'df' will show the reduction in the filesystem.。 The filesystem is still marked as full in the /etc/fs.status file.The application must be stopped before 'df' will show the reduction in the filesystem.。
三类压力容器制作（）。 可以随意进行分包。 可局部进行分包。 不得进行任何形式的分包。 只可分包给有相应资质的企业。
Which of the following options indicates the number of adapters that may be banded together to form an EtherChannel？（）
