单项选择题

A.User ’joe’ is specified in the etc nologin on SYSTEMA……

A user with the userid of ’joe’ is unable to rsh from SYSTEMA to SYSTEMB without having to retype their password， but they can rsh from SYSTEMB to SYSTEMA. No other users are experiencing the same issue.Both systems have a /home/joe/.rhosts file that contain the proper references to the other host. The /home/joe/.rhosts files on both SYSTEMA and SYSTEMB are owned by userid ’joe’. Which of the following is the most likely cause of this problem？（）

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.

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热门试题

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

单项选择题Howcanthesystemadministratordetermineifasystemisrunningin32-bitor64-bitmode？（）

A.Use ’prtconf -c’ to see if the system is 64-bit enabled
B.Check the /etc/inittab to see if /etc/method/cfg64 is enabled
C.Use the ls -al to see if /unix is linked to /usr/lib/boot/unix_64
D.Use the lslpp command to see if the bos.mp64 fileset is installed

单项选择题Whichofthefollowingactionswillenable64-bitapplicationsonasystemwitha32-bitkernel？（）

A.change the kernel to 64bit， reboot， and then use the following command：chdev -l sys0 -a applications=64_bit
B.Re-install the OS with 64-bit kernel enabled
C.Re-install all applications with 64-bit versions
D.Use smit to enable the 64-bit applications

单项选择题Whichofthefollowingcommandswilllistvitalproductdataforallhardwarecomponentsonaserver？（）

A.lsdev -C
B.lsslot -a
C.lscfg -vp
D.lsattr -El