闸瓦间隙减小试验中，反复制动、缓解三次后，制动缸活塞行程与初始行程（即未安装垫板时的行程）之差须不大于（）。 5mm。 6mm。 8mm。 10mm。
Derek has created a view in the sales.nsf db. Derek wants the sales value column in the view to be punctuated to display two decimal places . which one of the following should he do?（） use the @function @decimal in the column formula in the view 。 select decimal on the numbers tab in the view properties box 。 select decimal on the numbers tab in the column properties box。 use the @function @decimal to format the value in the field on the form that will display in the view&e。
A three-node cluster experienced a node failure. The resource groups were acquired as cexpected. The node has been repaired，and HACMP has been restarted. How does the operator determine that the node has successfully re-integrated into the cluster？（） Use the clstat command.。 Use the cIRGinfor command.。 Tail the /etc/hacmp.out file and wait for "node_up_complete" to finish successfully.。 Tail the /usr/es/adm/cluster.log file and wait for "node_up_complete" to finish successfully.。
关于Excel中的撤消和恢复说法错误的是：（） 在Excel中撤消与恢复的步骤是无限的。 只能撤消或恢复最多16步操作。 可以通过Ctrl+Z撤消误操作。 如果文件已经保存，则不能撤消保存以前的操作。
A customer is adding a new p5 machine to their environment. The machine will host several DB2 partitions running AIX 5.2. They currently have two SAN directors and an IBM ESS. The SAN design allows for concurrent maintenance. What is required on each partition to attach to the SAN？（） A minimum of two HBAs； the customer will need to download SDD。 A minimum of four HBAs； the customer will need to download SDD。 A minimum of two HBAs； the customer will need to configure MPIO。 A minimum of four HBAs； the customer will need to configure MPIO。
瓶装气体中，液化气体危险程度越高的是（）。
