Which of the following commands should Mike, a technician, use to display the available switches of a command line utility?（）
Which of the following commands will make a new directory?（）A、cdB、mdC、dirD、rd
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Which of the following commands is used to delete an empty directory?（）A、RDB、EDITC、DIRD、FORMAT
Which of the following commands verifies connectivity between two hosts?（）A、chkntfsB、dxdiagC、tracertD、ipconfigE、ping
Which of the following commands will be run at a command prompt to determine which WindowsOS is running on the computer?（）A、VERB、Device ManagerC、VERIFYD、SET
Which of the following commands indicates the packet count for each interface？（）A、lsattrB、routeC、netstatD、ifconfig
单选题Which one of the following RMAN commands is used to register the database files with repository that were backed up using O/S commands？（）A CHANGEB CATALOGC CROSSCHECKD SWITCH
