Which procedure should be used to configure the system to prevent all users from using the ‘at’ command?（）

单项选择题A customer needs to create a number of LPARs on a new POWER6 server with some LPARs requiring a dedicated network and other LPARs utilizing Virtual Ethernet via a VIO server. Which limitation must be considered when planning the system configuration?（）

A.A VIO server requires a dedicated LHEA port.
B.There is a limit of 32 LPARs per virtual LAN.
C.Two VIO servers will be required. A single VIO server can only provide virtual storage or virtual Ethernet.
D.Two VIO servers will be required. One to provide virtual networking and another to provide dedicated networking.

单项选择题A client has a temporary deployment of a new static application that needs to run for a short period of time and is not going to change. How can this deployment be achieved with a minimum of effort and time?（）

A.Run a system WPAR and deploy the application.
B.Create a new LPAR and deploy the application.
C.Create an application WPAR to deploy the application.
D.Create an LPAR hosted by a VIO server and deploy the application.

单项选择题An administrator analyzes a poorly performing system and suspects that the issue is related to CPU resource. Upon reviewing output of vmstat, the administrator is concerned with the values in the ‘pc’ and ‘ec’ columns. Which definition describes these two headings?（）

A.'pc' refers to the number of physical processors consumed, while 'ec' refers to the percentage of entitled capacity consumed.
B.'pc' refers to the 'physical CPUs' and lists how many are left un-allocated, while ec' refers to the 'entitled CPUs' and lists what amount is currently allocated to the LPAR.
C.'pc' refers to the 'processor count' and reflects how many CPUs are allocated to the LPAR, while 'ec ' refers to the 'extra capacity' and lists how much above the LPAR entitlement is being consumed.
D.'pc' refers to 'processor cards' and reflects how many MCM modules are actually being used by this LPAR, while 'ec' refers to the 'entitled CPUs'and lists what amount is currently allocated to the LPAR.

单项选择题Which command will enable RBAC on a server?（）

A.setkst -t enable ; reboot
B.chrbac -a enable ; reboot
C.enable enhanced_RBAC ; reboot
D.chdev -l sys0 -a enhanced_RBAC='true' ; reboot

单项选择题While attempting to expand a file system, an administrator receives an error message indicating that the filesystem is not recognized. Running the lsfs command fails to display any output, but the df command is working and displays normal filesystems. What is the likely cause of the problem?（）

A.The /etc/filesystems file is missing.
B.The /dev/hd8 logical volume is corrupt.
C.The hosting volume group is not varied on.
D.The /var and /tmp filesystems may be full.