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IBM A4040-109 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Virtualization Concepts and Architecture | 20% | - Hypervisor and firmware overview - Virtual I/O Server (VIOS) architecture - LPAR, DLPAR, and Micro-Partitioning - PowerVM Editions and features |
| Topic 2: Troubleshooting & Performance | 15% | - Performance monitoring and tuning - Virtualization-related error diagnosis - Log analysis and recovery |
| Topic 3: Virtual Networking | 20% | - Virtual network security - Virtual LAN and network bridging - Network failover and load balancing - Shared Ethernet Adapter (SEA) |
| Topic 4: Virtual Storage Management | 25% | - NPIV and virtual Fibre Channel - Storage allocation and redundancy - vSCSI configuration and mapping - Virtual media and optical devices |
| Topic 5: Virtualization Management & Operations | 20% | - Active Memory Sharing and Power Management - HMC and IVM usage - VIOS administration and maintenance - DLPAR operations |
IBM Assessment: Power Systems Virtualization Technical Support for AIX and Linux -v2 Sample Questions:
1. A production application is hosted across two Power 750 Express servers, managed by an HMC. Each machine has 16 cores and 32GB RAM. Four 8GB LPARs are defined across the two systems and only 3 LPARs are active at once. Live Partition Mobility is used to maintain availability when maintenance is required.
A test environment is being built across two Power 550 Express servers.
Each machine has 8 cores and 16GB RAM. Four 4GB LPARs will be defined across the two systems, again only 3 will be active at once. To isolate the test and production environment, the test environment is managed by two IVMs.
Two LPARs have been created on each test server. The administrator initiates a Live Partition Mobility operation to test moving LPARs between the servers.
The migrlpar command fails to migrate the 4th LPAR with the following error:
"The target managed system does not have enough available memory to create the partition."
Because the 4th LPAR was inactive, it was expected that an inactive migration would be successful.
Why would this inactive migration fail on the test environment, but succeed on the production environment?
A) IVM-managed systems do not support inactive migrations.
B) Active Memory Sharing (AMS) or Active Memory Expansion (AME) is required for RAM over commitment.
C) IVM-managed systems reserve RAM allocations, even for inactive LPARs.
D) The target managed system already has the maximum number of partitions.
2. An administrator needs to install AIX on 50 LPARs on a new Power 795. All partitions require the same level of customization and the same version of AIX. For security reasons, NIM cannot be used in this environment.
The new system has a single DVD RAM drive. A Single VIO partition has already been configured.
Which of the following will allow the administrator to install the partitions in the shortest possible time?
A) Build and customize the first partition from DVD RAM.
Create a mksysb and use to build a bootable ISO image.
Install the ISO image in the virtual media library on a VIO server partition.
Install remaining clients using image mapped from virtual media library.
B) Build and customize the first partition from DVD RAM.
Create a mksysb of the partition and copy to the HMC.
Configure NIMOL on the HMC.
Install the remaining clients using NIMOL.
C) Allocate a DVD RAM device to the first partition.
Build and customize the first partition.
Create a mksysb of the partition to DVD RAM.
Use the DVD RAM image to install the remaining partitions.
D) Map a virtual optical DVD RAM device from the HMC to the first parttion.
Build and customize the first partition.
Create a mksysb of the partition to DVD RAM
Use the DVD RAM image to install the remaining partitions.
3. An administrator has removed a client LPAR and would like to unmap the virtual Fibre Channel adapter vfchost0 from the physical backing adapter fcs2.
Which of the following commands will achieve this?
A) rmvdev -vtd vfchost0
B) vfcmap -vadapter vfchost0 -fcp
C) rmdev -dev fcs2
D) vfcumap -vdev vfchost0 -dev fcs2
4. An administrator has configured a system to provide resilient networking through the use of SEA failover. The administrator wants to know if the SEA for one VIO server, ent10, is the active adapter.
Which of the following commands could the administrator use to determine the status of ent10?
A) netstat -cdlistats ent10
B) seastat-liststatent10
C) entstat-netent10
D) Ismap-net-devent10
5. An administrator is creating several LPARs on a new Power Systems server. The administrator knows that Live Partition Mobility (LPM) will be used to distribute the workload between this new machine and several others in the environment. In addition to ensuring all storage is allocated through Virtual IO servers, what else must the administrator take into consideration when creating the new LPARs?
A) Only LPARs belonging to the same workload group can be moved between servers.
B) The Virtual IO server code level must be the same across all servers.
C) LPAR names in the environment must be unique.
D) Redundant error path reporting must be configured.
Solutions:
| Question # 1 Answer: C | Question # 2 Answer: A | Question # 3 Answer: B | Question # 4 Answer: A | Question # 5 Answer: C |


