A.chfs B.chlv C.mklvcopy D.mkfscopy
单项选择题Asystemadministratorcancreatelogicalvolumesandthenaddfilesystemstothem,orcreatethefilesystemdirectly.Whatisanadvantageofthetwo-stepapproachinsteadoftheone-stepapproach?()
A.The number of bytes per inode can be specified. B.Placement of the filesystem on the disk can be specified. C.The jfslog can be specified on creation of the filesystem. D.Either a JFS or JFS2 filesystem can be created on the logical volume.
单项选择题Whichcommandlistsoutthephysicalvolumenamesaswellastotal freePPsinvolumegroupdatavg?()
A.lsdev -Cl datavg B.lsvpcfg datavg C.lspv -p datavg D.lsvg -p datavg
单项选择题Diskshdisk1andhdisk2areassignedtodatavg.Whichofthefollowingcommandsshouldbeusedtodeterminewhichlogicalvolumesarepresentonhdisk1?()
A.lspv -l hdisk1 B.lsvg -l datavg C.lslv -p hdisk1 D.lsattr -El hdisk1
单项选择题The$HOME .netrcfilecontainsinformationusedbytheautomaticloginfeatureofwhatcommand?()
A.rsh B.ftp C.ssh D.rlogin
单项选择题Auserwiththeuseridof’joe’isunabletorshfromSYSTEMAtoSYSTEMBwithouthavingtoretypetheirpassword,buttheycanrshfromSYSTEMBtoSYSTEMA.Nootherusersareexperiencingthesameissue.Bothsystemshavea home joe .rhostsfilethatcontaintheproperreferencestotheotherhost.The home joe .rhostsfilesonbothSYSTEMAandSYSTEMBareownedbyuserid’joe’.Whichofthefollowingisthemostlikelycauseofthisproblem?()
A.User ’joe’ is specified in the /etc/nologin on SYSTEMA B.User ’joe’ is specified in the /etc/nologin on SYSTEMB C.The file permissions on the /home/joe/.rhosts file on SYSTEMA is correct. D.The file permissions on the /home/joe/.rhosts file on SYSTEMB is incorrect.