A system administrator is in the process of performing a preservation installation. However, the machine keeps booting up in diagnostic mode. Which of the following is the most probable cause?（）

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  A . Login as the user and run 'echo $ENV'. B . Login as root and run the 'env' command. C . Login as root and 'cat /etc/environment'. D . Login as the user and run the 'env' command.

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  A . /profile B . /etc/envpath C . /etc/profile D . /etc/environment

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  A . /profile B . /etc/envpath C . /etc/profile D . /etc/environment

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  A . Use the Is -al to see if/unix is linked to /usr/lib/boot/unix_64 B . Check the /etc/inittab to see if there is a load64bit entry C . Use ’prtconf -c1 to see if the system is 64-bit enabled D . Use the Islpp command to see if the bos.mp64 fileset is installed

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  A . /var/log/conslog B . /var/log/console.log C . /var/adm/ras/conslog D . /var/ras/console.log

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  A . fwtmp < /etc/security/failedlogin B . cat /etc/security/failedlogin C . who D . alog -f /etc/security/failedlogin -o

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  A .  smit chgsys B .  bosboot C .  smit dump D .  bootlist -r

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  A . /tmp/conslog B . /etc/console.log C . /var/adm/ras/conslog D . /var/ras/console.log

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• A user is unable to determine the default system texteditor.How can the local administrator assist the user by identifying the default text editor for the system？（）

  A.Login as the user and run ‘echo $ENV‘. B.Login as root and run the ‘env‘ command. C.Login as root and ‘cat /etc/environment‘. D.Login as the user and run the ‘env‘ command.

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