什么是光纤通道？（） 多种协议的传输介质。 FDDI 规范。 存储区域网。 一个网络协议。
在泵的进出口上安装一段耐油钢条软管，是为了（） 方便保养；。 减少颤动；。 方便维修；。 方便安装。
An administrator attempts to create a link of /etc/db_conf to the target directory /db/v9.7/install/config. The following n?command failed toAn administrator attempts to create a link of /etc/db_conf to the target directory /db/v9.7/install/config. The following ?n?command failed to create the link.ln/db/v9.7/install/config /etc/db_conf. Which option should be used when re-running the command to resolve the problem?（） -s flag to create a soft link。 -n flag to force create a hard link。 -N flag to force create a hard link。 -S flag to force create a soft link。
An IBM Business Partner has sold a DS5020 and new IBM SAN switches to replace a customer EMC storage infrastructure. The customer dissatisfaction has arisen during the installation because according to the DS5020 interoperability matrix， two HP Proliant servers running Exchange have FC HBAs that are not supported. Which of the following is the most probable cause of the customer dissatisfaction（） The EMC storage specialist has not participated in the TDA meeting。 The FC HBAs are 4 Gbps technology。 The Technical and Delivery Assessment review actions were not executed。 The customer should have checked that the HBAs are supported according to the HP storage interoperability matrix。
砌筑墙体中，可以不设置过梁的洞El最大宽度为（）。 250mm。 300mm。 400mm。 500mm。
若某房地产的售价为1，000万元，其中建筑物价格为600万元，地价为300万元，该房地产的年客观收益为72万元，建筑物的资本化率为8%，那么土地的资本化率最接近于（）。
