单项选择题 Thedataondatavgisinaccessible.Using"df"theuserdiscoversthatnoneofthedatavgfilesystemsaremounted.Running"lsvg"showsonlyrootvg.Running"importvg-y"givesthefollowingerror:"056-056volumecannotbevariedonbecausepvismarkedmissing".Whichofthefollowingstepsshouldbeperformed?（）

单项选择题 AftertheLEDdisplayisflashing888andthesystemisrebooted,whichofthefollowingcommandsshouldbeusedtogatherdumpinformation?（）

单项选择题 Asystemadministratorhasdeterminedthatthereisnonetworkconnectivitywiththeen0interface.Bydoinganetstat-in,itisdeterminedthattheen0interfaceisnotshowingup.Whichofthefollowingcommandsshouldbeusedtodeterminethaten0isdefinedinODMwithanIPaddress?（）