An existing cluster has an application node and database node. Changes in the application require both nodes to have access to the other’s data all of the time. Which facility managed by HACMP can be implemented with the least amount of impact？（） NFS。 AFS。 DFS。 GPFS。
某评估机构采用收益法对一项长期股权投资进行评估，假定该投资每年纯收益为30万元且固定不变，资本化率为10%，则该项长期股权投资的评估值为（）。 200万元。 280.5万元。 300万元。 350万元。
Which command can be used to verify all the filesystems that are exported by an NFS server？（） showmount -e hostname。 showmount -d hostname。 showmount -a hostname。 showmount。
以下能产生嗜神经毒素的有：（）。 毒蝇蕈。 裸伞属。 光盖伞属。 麦角毒素。
Which two statements are correct about database transportation? （） The source and target platforms must be the same。 Redo logs, control files and temp files are also transported。 The transported database must have the same database identifier (DBID) as the source database and cannot be changed。 The COMPATIBLE parameter must be set to 10.0.0.0 or higher and the database must be opened in readonly mode before being transported。 Recovery Manager (RMAN) is used to convert the necessary data files of the database if the target platform is different and has different endian format。
A small company would like help in identifying an apparent system performance problem on its internal mail server， especially to determine peak hour usage. What would be the first step in identifying the problem？（）
