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IBM C4040-109 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| System Administration and Support | - AIX and Linux integration on Power Systems - Migration and system planning in virtual environments - Performance monitoring and troubleshooting |
| IBM Power Systems Virtualization Concepts | - VIOS (Virtual I/O Server) configuration and operations - Logical Partitioning (LPAR) concepts and management - PowerVM architecture and virtualization components |
| Storage Virtualization | - Virtual SCSI and NPIV concepts - Virtual optical media repositories |
| Networking Virtualization | - VLAN configuration in virtualized environments - Shared Ethernet Adapter (SEA) - Host Ethernet Adapter (HEA) integration |
IBM Virtualization Technical Support for AIX and Linux - v2 Sample Questions:
An administrator is planning to deploy multiple AIX LPARs onto a Power 770. These LPARs will be served with Virtual SCSI storage from a pair of VIO Servers (VIOS). What consideration should be considered with regard to VIOS configuration to ensure suitable performance of the virtualized storage?
- A. Assign each virtual disk on a unique virtual SCSI adapter.
- B. Set the hcheck_mode attribute on the vSCSI disks.
- C. Provide sufficient memory allocation.
- D. Allocate sufficient CPU processing capacity.
Correct Answer: D π³οΈ
When planning a new Power 770 system, how can an administrator ensure that a database LPAR is prevented from sharing processors with any Multiple Shared-Processor Pools, regardless of whether the LPAR is active?
- A. Set the processor compatibility mode to POWER6.
- B. Set the processor sharing mode for all LPARs to capped.
- C. Unselect the processor sharing options in the LPAR profile.
- D. Define the LPAR with a unique shared processor pool.
Correct Answer: C π³οΈ
An administrator has defined a new virtual SCSI server device, vhost0, to support a client LPAR on a new system. A disk, hdisk2, has been presented from a SAN to the VIO server. The administrator attempts to map the disk on the VIO server using the following command. mkvdev -vadapter vhost0 -dev hdisk2 -vdev client_rootvgThe error 'client_rootvg" is not a valid backing device' was received. Which of the following explains the error?
- A. The disk is already allocated to another VIO server
- B. The disk is formatted at 522 bytes/block.
- C. The virtual target device "client_rootvg" is already in use.
- D. The -dev and -vdev flags have the incorrect parameters.
Correct Answer: D π³οΈ
A new NPIV VIO client is being built. How can the administrator log all virtual Fibre Channel adapters into the SAN so the WWPNs are visible for disk mapping?
- A. Boot the LPAR into the Open Firmware prompt and run ioinfo command.
- B. Boot the LPAR from a NIM server and access a maintenance shell.
- C. Boot the LPAR normally, use the lsmap -all -npiv command on the VIO server to check it has logged in.
- D. Boot the LPAR to SMS and run the configure boot device.
Correct Answer: B π³οΈ
An architect is considering whether to specify vSCSI or NPIV for the rootvg disks in a new virtualized environment. Storage is to be provided by an IBM San Volume Controller (SVC) and controlled using SDDPCM.
Which of the following is an advantage of using vSCSI technology instead of NPIV?
- A. Support for vSCSI devices is included within base AIX, removing the need to install device drivers at the client level.
- B. vSCSI allows for client level logical volume mirroring for rootvg, providing enhanced protection.
- C. Queue depths higher than 20 for rootvg disks are supported with vSCSI.
- D. vSCSI provides active/active multi pathing, allowing I/O requests to be distributed between dual VIOS partitions
Correct Answer: A π³οΈ
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