A network administrator provides an IP address of 128.135.0.142 and a subnet mask of 255.0.0.0. Once a ping is attempted， it fails. Which of the following options is the most probable cause of the failed ping？（） 0 is not valid in an IP address。 128 is a reserved network。 The subnet mask should be 255.255.0.0. since it is a class B。 A network problem has occurred since IP and subnet are valid。
Which of the following commands should be used to identify packet sequence problems？（） ping and arp。 lsattr and ifconfig。 netstat and iostat。 iptrace and tcpdum。
A cluster administrator is trying to configure tmssa for the non-IP network. Having installed the devices.ssa.tm.rte fileset， what is the next step that must be performed to create the target mode devices？（） Reboot each cluster node.。 Change the ssa node number to a non-zero value.。 Change the SSAR device state from defined to available.。 Run the cfgmgr process on each node to create the target mode devices.。
Click the Exhibit button. What is the result? （） Value is: 8。 Compilation fails.。 Value is: 12。 Value is: -12。 The code runs with no output.。 An exception is thrown at runtime.。
关于施工现场水污染的处理要求，表述错误的是（）。 施工现场的就餐人数在100人以上的临时食堂产生的污水可直接排入市政污水管网。 现场要设置专用的油漆油料库，领料使用时，要采取措施，防止油料泄漏而污染水体。 水磨石作业时要严格控制污水流向，在合理位置设置沉淀池，经沉淀后方可排入市政污水管网。 禁止将有害废弃物做土方回填，以免污染水源。
Which performance policy takes precedence in WLM?（）
