单选题Simultaneous Multithreading (SMT) is enabled in a POWER6 VIO client running AIX 6.1. Which command would be used to disable it after the next operating system reboot is performed? itcert（）Aschedo -o smt=0 -p Bsmtctl -m off -w boot Cchdev -l sys0 -a smt

第1题：

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

• A、Use "smit load64bit" to enable the 64-bit applications.
• B、Re-install all applications with 64-bit versions.
• C、Re-install the OS with 64-bit kernel enabled.
• D、Change the kernel to 64bit， reboot， and then use the following command： chdev -l sys0 -a "applications=64_bit"

第2题：

After rebooting one Virtual IO （VIO） server in a redundant environment， the following command output from the client partition shows that the path to the shared disk from the rebooted VIO server remains in a failed state.  Vio_client1# lspath Failed hdisk0 vscsi0 Enabled hdisk0 vscsi1 What must the administrator do to ensure that the path is automatically restored when a VIO server is brought back into service？ （）

• A、 On both VIO servers， modify the inittab making chdev the last command， so that they will start during VIO server reboot.
• B、 On both VIO servers， change the following parameters and reboot each of them in turn    hcheck_interval =60   hcheck_mode=interactive
• C、 On client logical partition， modify the inittab making chdev the last command， so that they will start during client partition reboot.
• D、 On the client logical partition， change the following parameters and reboot the client    hcheck_interval =60   hcheck_mode=interactive

第3题：

Which of the following is required to use Simultaneous Multi-Threading (SMT)?（）

• A、smtctl command
• B、A dual core chip
• C、AIX 5.3 operating system and POWER5 hardware
• D、Advanced Virtualization which is a separately purchased product

第4题：

A customer needs to remove an unnecessary, but active paging space called paging00 on an AIX 5L system.  Which of the following procedures should be used to properly remove the paging space with the least amount of disruption?（）

• A、Remove the paging space with the rmps command. 
• B、Disable the paging space with the chps command, swapoff /dev/paging00, and remove the paging00 logical volume with the rmps command. 
• C、Reboot the system and disable the paging space with the rmps command. 
• D、Disable the paging space with the chps command, swapoff /dev/paging00, reboot the system, remove the paging00 logical volume with the rmps command. 

第5题：

Company.com has a p5-570 with an application running on each of three Micro-Partitions. The disk I/O is shared through a VIO server. A technical specialist has been asked to upgrade the VIO  server. Which of the following procedures should be taken to maintain the integrity of the partitions？（）

• A、Shut down all client partitions before updating the VIO server.
• B、Disconnect the client partitions from any IP networks before updating the VIO server.
• C、Update the client partitions to the latest OS maintenance level before updating the VIO Server.
• D、Update the VIO server while the partitions are running， but reboot each client partition at a convenient time after the update.

第6题：

A system administrator wants to perform some system maintenance. The AIX installation CD is in the CDROM drive， however the system will not boot from the CD. Which command will assist in determining if the CDROM drive is currently a bootable device？（）

• A、lscfg -l cd0 -v
• B、bootlist -m service -o
• C、bosboot -a -d /dev/cd0
• D、chdev -l cd0 -a boot=yes

第7题：

Simultaneous Multithreading (SMT) is enabled in a POWER6 VIO client running AIX 6.1. Which command would be used to disable it after the next operating system reboot is performed? itcert（）

• A、 schedo -o smt=0 -p 
• B、 smtctl -m off -w boot 
• C、 chdev -l sys0 -a smt=off 
• D、 echo 0 > /proc/sys/smt_enable

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第13题：

A customer has budget sign-off to purchase a new p5-550 2-way server to replace their aging 2-way 7025-6F0. They like the advantages of the Simultaneous Multi Processing （SMT） ability of this server.  Their application is certified at AIX 5.2 and is scheduled for AIX 5.3 certification in six months. The Chief Information Officer is concerned that they will lose the budget if they do not purchase the server this fiscal year.  What is the most relevant and cost-effective advice the pSeries technical specialist can offer？（）

• A、Purchase a 4-way p630 to compensate for not using SMT.
• B、Purchase the p5-550 server and install AIX 5.2， which can be upgraded to AIX 5.3 later.
• C、Purchase the p5-550 server and install AIX 5.2 and enable SMT.
• D、Suspend the purchase of a new machine at this time and upgrade the current server to a 4-way server.

第14题：

A server is being set up at a client location. The system has been powered up for a clean install of the base OS. The CD is in the drive. After 5 minutes, the system is hung. There is no activity with the CD-ROM drive and nothing to select on the screen. Which of the following procedures should be performed next?（）

• A、Boot off diskette and change boot device to CD
• B、Change the bootlist for normal mode and reboot
• C、Reboot and press 5/F5 after keyboard is displayed on the screen
• D、Press enter to open SP menus once OK is showing in the LEDs

第15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

第16题：

An administrator tries to change the checksum_offload setting on ent0， but the chdev command responds that the adapter is busy.  What can be done to resolve this（）？  

• A、Use chdev with -P flag and run cfgmgr.
• B、Use chdev with -R flag and run cfgmgr.
• C、Use chdev with -P flag and reboot the system.
• D、Use chdev with -R flag and reboot the system.

第17题：

A system was running properly until a reboot. Following the reboot， the system LED displayed cycles between 0223 and 0229. Which of the following procedures should be performed next？（）

• A、Power down then power up the system
• B、Boot into diagnostic mode and run fsck
• C、Boot from installation media and run bosboot
• D、Boot into maintenance mode and check the bootlist

第18题：

A System p administrator needs to upgrade a system from AIX 5.2 to AIX 5.3.  Which of the following installation methods would minimize downtime（）

• A、Migration installation
• B、Partition Mobility
• C、alt_disk_install
• D、update_all smit fastpath and reboot during the next scheduled outage

第19题：

Which of the following lists of items all require an HMC to function with POWER5？（）

• A、Running AIX 5.3 Implementing HACMP Implementing Static LPAR
• B、Implementing Advanced POWER Virtualization Running Linux Attaching RIO drawers
• C、Implementing VIO Server Implementing Dynamic LPAR Running with SMT turned "On"
• D、Running AIX and Linux on the same system Implementing CoD Implementing Micro-Partitioning

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