Which cron entry will run /usr/local/bin/myscript at 0500 every Saturday（） 5 0 * * 6 /usr/local/bin/myscript。 6 * * 5 0 /usr/local/bin/myscript。 0 5 * * 6 /usr/local/bin/myscript。 0 5 6 * * /usr/local/bin/myscript。
Company.com has a four-node cluster （nodes ’A’， ’B’， ’C’， and ’D’）. The nodes are set up in Resource group pairs. Node ’A’ falls over to Node ’B’， and Node ’C’ falls over to Node ’C’. During a maintenance windows， it was discovered that the six resource groups on Node ’A’ are too much to be adequately handled by Node ’B’. What could be done to better utilize the available resources during fallover？（） Implement Work Load manager so that the application monitors for additional resource requirements.。 Add a fifth node to function as a load leveler in order to control the dispatching of the resource jobs.。 Implement Dynamic Node Priorities in the resource groups in order to find a node with suitable system resources.。 Reduce the number of resource groups on Node ’A’ to 1 in order to ensure faster and more robust fallover to a single system.。
以下不属于弹性保费延期年金缺点的是（）。 附加费用高。 内部操作不透明。 产品结构比较复杂。 避税效果不明显。
A system administrator is in the process of performing a preservation installation. However, the machine keeps booting up in diagnostic mode. Which of the following is the most probable cause?（） The battery on the machine is bad.。 The root volume group is corrupted.。 The low-level debugger is not enabled.。 There is a problem with the CD-ROM.。
成熟红细胞更替时间是（） 100天。 120天。 80天。 60天。
认为教育不是生活的准备，而是生活本身，即生活经验的不断改造或改组的教育家是（）。
