CDE is working. However, the customized PATH environment has not been implemented. Which of the following procedures should be performed to activate the implementation?（）

单项选择题The latest version of a licensed product is already installed. Which of the following methods is most appropriate to load an older version of a licensed program product over the latest version?（）

A.Install the older version with a Force Overwrite option
B.An older version cannot be installed if a newer version is installed
C.Use the Reject option on the committed newer version that is installed
D.Using the lppdiff command, capture the names of the newer filesets for the product, then remove them using this listing as input to the installp command

单项选择题Which of the following statements is TRUE about mounting a file system?（）

A.A file system cannot be mounted on a directory containing data.
B.Mounting a file system on a mount point containing data will delete the data.
C.Mounting a file system on a amount point containing data will make the data temporarily inaccessible.
D.A systems administrator must manually create an empty directory prior to mounting an AIX JFS.

单项选择题Which of the following is TRUE when creating a file system that resides on the center of a disk?（）

A.The logical volume is created first.
B.The physical volume will be automatically created.
C.The physical partition must be specified as an option.
D.The file system will be mounted during the time of creation.

单项选择题A graphics card has just been added but is not available. The xinit command is run, however an error occurs. Which of the following procedures should be performed to fix the error?（）

A.Run the xstart command.
B.Install the Windows software.
C.Change the console to /dev/lft.
D.Copy the xdefaults file to the home directory.

单项选择题The system administrator did a new install of AIX on a server about a week ago. The system was not rebooted after the installation. CDE is running on this system as is TCPIP. The system administrator has started configuring the system percompany directives. The power cable was inadvertently disconnected from the wall causing the sever to lose power. Upon reboot, the system appears to hang during log in from the console or from Xterminals. Which of the following is the most probable cause?（）

A.It is a hardware problem caused by the power failure.
B.There is a network problem, most probably with name resolution.
C.Sine the system was never rebooted, devices are marked defined instead of available and need to be activated.
D.Some filesets may be marked as broken and need to be reinstalled.