单项选择题

A system administrator wants to couple two servers together so that users from server A can access server B without entering their password. How would this be accomplished？（）

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

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单项选择题

The following entry is in the /etc/host.equiv and /home/jsmith/.rhosts file on server Alpha：+ jsmith.What does this entry indicate？（）

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

How can the system administrator determine if a system is running in 32-bit or 64-bit mode？（）

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

Which of the following actions will enable 64-bit applications on a system with a 32-bit kernel？（）

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