A.lsdev -Cl datavgB.lsvpcfg datavgC.lspv -p datavgD.lsv……

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.

单项选择题AsystemadministratorwantstocoupletwoserverstogethersothatusersfromserverAcanaccessserverBwithoutenteringtheirpassword.Howwouldthisbeaccomplished？（）

A.employ NIS to synchronize user names and passwords
B.create a /.rhosts on server A and serve B
C.create a $HOME/.netrc for all users on server A and serve rB
D.create a /etc/hosts.equiv on server A and server B

单项选择题Thefollowingentryisinthe etc host.equivand home jsmith .rhostsfileonserverAlpha：+jsmith.Whatdoesthisentryindicate？（）

A.The user "jsmith" can use r-commands from any server to server Alpha system-wide
B.The user "jsmith" can use r-commands from server Alpha to any server system-wide
C.The user "jsmith" can use r-commands from server Alpha to any server with a /home/jsmith directory
D.The user "jsmith" can use r-commands from any server to server Alpha only in the /home/jsmith directory