A system’s backups are failing. Error log analysis indicates that there is either a hardware or media problem. Which command is used to determine if there is a hardware problem with the tape drive？（） diag。 lscfg。 lsdev。 cfgmgr。
通过感官或借助于一定的科学仪器，在一定时间内有目的、有计划地考察和描述人的各种心理活动和行为表现并收集研究资料的一种方法，称为（）。 观察法。 调查法。 个案法。 测验法。
When the clverify utility is run，verification checks use ODM data provided by the common communication infrastructure. This provides efficient access to configuration ODMs from the other nodes. The utility manages these files by storing the copies in various directories depending on the success or failure of the verification pass. By default，this directory is "/var/hacmp/clverify/current/nodename/ if the ’current’ directory still exists when clverify stops running，this indicates which of the following？（） A successful completion of clverify。 A problem with the clverify utility。 All nodes agree on active configuration。 Configuration differences between current and last successful clverify。
Which of the following is MOST likely to improve the performance of SOAP-based Web services？（） Use message level security。 Use fine-grained Web services。 Use document/literal instead of RPC/encoded。 Avoid stale data in the UDDI registry by turning off caching。
气体的危险特性不是装入气瓶以后才有的，也不所有瓶装气体所共有的，它包括（）倾向等性质。 压缩；。 分解、氧化；。 压缩后产生毒性；。 聚合反应。
（）不属于环境风险调查需要收集的资料类型。
