Guide de formation plus récente de IBM A4040-108

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Code d'Examen: A4040-108
Nom d'Examen: IBM (Assessment: Power Systems Enterprise Technical Support for AIX and Linux - v2)
Questions et réponses: 130 Q&As

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NO.1 A customer backs up a database using tools provided by the vendor. The backup files are
written to a filesystem that was initially created for use by the database, but the backup takes an
unexpectedly long time. Which of the following methods will decrease the time required for
backups?
A. Use the vmo command to increase WriteBehind.
B. Switch on Concurrent I/O for target filesystems.
C. Switch off Concurrent I/O for target filesystems.
D. Use the backup tools provided with the operating system.
Answer: C

IBM examen   certification A4040-108   A4040-108

NO.2 An administrator attempts to migrate a running LPAR using the 'migrlpar' command. :
What task will help the administrator determine the cause of the errors?
A. Validate the configured attributes on the Properties tab of the LPAR profile.
B. Validate that the VIO servers have the Mover Service Partition (MSP) attribute set.
C. Validate that the required CPU entitlements are available on the destination server.
D. Validate that the Logical Memory Block (LMB) size is consistent between both source and
destination.
Answer: B

IBM   A4040-108   A4040-108   A4040-108

NO.3 A customer has an existing deployment of IBM i LPARs running on POWER6 hardware. The
customer is planning to add new AIX and IBM i LPARs on the same hardware. To avoid purchasing
additional adapters, there is a requirement for the new LPARs to be completely virtualized. What
virtualization options exist for hosting IBM i and AIX LPARs?
A. Virtualization Engine (VE)
B. N_Port ID Virtualization (NPIV)
C. Advanced Power Virtualization (APV)
D. Network Server Description (NWSD) and VIO Server
Answer: D

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NO.4 Which of the following commands traces a processes system calls, received signals, and
machine faults?
A. prof
B. topas
C. truss
D. mpstat
Answer: C

IBM examen   certification A4040-108   A4040-108   A4040-108   A4040-108 examen

NO.5 Which of the following commands will enable the SEA accounting?
A. chacct -dev ent14 -attr enable
B. optimizenet -set accounting=enabled
C. chsea -dev ent14 -attr accounting=enable
D. chdev -dev ent14 -attr accounting=enabled
Answer: D

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NO.6 A company which sells books and DVDs runs their business on AIX Enterprise Edition on a
Power
795. They have LPARs running back-office applications and other LPARs supporting their Internet
based retail operations. They are considering a policy of switching between TurboCore mode and
MaxCore mode, depending on workload. Which of the following considerations will have the most
impact on the customer's business?
A. The managed system will need to be restarted to change modes.
B. There will be fewer cores available when using TurboCore mode.
C. There will be less L3 cache available per core when using MaxCore mode.
D. The applications running on the affected LPARs must support MaxCore and TurboCore modes.
Answer: A

IBM   certification A4040-108   A4040-108   A4040-108

NO.7 A system administrator must provide network access to a single VLAN for multiple partitions
on a Power 795 server. The Power 795 server has a pair VIO Server (VIOS) partitions, with a Shared
Ethernet Adapter (SEA) in each one. Each SEA will use a single-port Ethernet adapter as a backing
device. Both SEAs must support network traffic so both adapters are used simultaneously. Network
service must be resilient. All client partitions must be able to maintain network access to this VLAN
through either VIOS partition if the other VIOS partition fails or is taken out of service. Which of the
following configurations would satisfy this goal?
A. The SEAs are both connected to the same virtual switch. Both SEAs are configured for SEA failover.
The client LPARs are configured with one virtual Ethernet adapter
B. The SEAs are each connected to separate virtual switches. Both SEAs are configured for SEA
failover. The client LPARs are configured with one virtual Ethernet adapter.
C. The SEAs are both connected to the same virtual switch. Neither SEA is configured for SEA failover.
The client LPARs are configured with NIB on two virtual Ethernet adapters.
D. The SEAs are each connected to separate virtual switches. Neither SEA is configured for SEA
failover. The client LPARs are configured with NIB on two virtual Ethernet adapters.
Answer: D

IBM   certification A4040-108   A4040-108   A4040-108 examen   A4040-108   A4040-108

NO.8 Which power reduction technology requires a software component in order to be activated?
A. Power capping
B. Processor folding
C. Static power saving
D. Processor core nap mode
Answer: A

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Dans ce monde d'informatique, l'industrie IT est suivi par de plus en plus de ges. Dans ce domaine demandant beaucoup de techniques, il faut des Certificat à se preuver les techniques professionnelle. Les Certificats IT sont improtant pour un interviewé pendant un entretien. C'est pas facile à passer le test IBM A4040-108, donc c'est pourquoi beaucoup de professionnels qui choisissent ce Certificat pour se preuver.