From the information below, what command would the administrator run to allocate the file backed optical device, named useful_scripts, to virtual SCSI adapter vhost0?（） mkvdev -dev useful_scripts -vadapter vhost0; loadopt -vdev vtopt0 。 mkvdev -optical useful_scripts -vadapter vhost0; loadopt -vdev vtopt0 。 mkvdev -fbo -vadapter vhost0; loadopt -disk useful_scripts -vtd vtopt0 。 mkvdev -type fbo -vadapter vhost0; loadopt -fbo useful_scripts -vtd vtopt0。
The System Administrator wants to do a backup of the HMC and notices that there are two options on the HMC menu: Backup Critical Console data and Save Upgrade Data. Which of the following best describes the differences between the two options?（） Both options back up user and partition profile data. Only the Backup Critical Console Data backs up TCP/IP settings or preferences。 Both options back up partition profile information. Only the Backup Critical Console Data backs up service function settings, such as Inventory Scout, Service Agent, and Service Focal Point。 The Backup Critical Console Data should be performed just before the HMC software update operation. The Save Upgrade Data should be performed each time configuration changes are made to the system or the HMC。 The Save Upgrade Data should be performed just before the HMC software update operation. The Backup Critical Console Data should be performed each time configuration changes are made to the system or the HMC。
充装秤台面上需放置（），严禁钢瓶与秤台面直接接触。 钢板；。 铜板；。 防静电橡胶板；。 铁板。
An administrator is applying a corrective service to their HMC .The corrective service has been shipped on 3 DVDs. Which action will ensure the corrective service is correctly installed？（） Select the option to automatically reboot the HMC .。 Select the option to automatically reboot the HMC after each disk.。 Shutdown all managed LPARs prior to beginning the install process.。 Copy all disks into the ""SERVICE"" directory and select concurrent install.。
受教育程度的提高可使父母对生育子女的注意力集中在什么上（） 孩子能否健康成长。 孩子能否传宗接代。 孩子的未来发展和事业成就。 孩子能否受到良好的教育。 孩子能否成为防老养老的经济保证。
An operator is editing a file using vi. Which of the following subcommand sequences will copy the current line plus the next 2 lines to the end of the file?（）
