2014年2月18日星期二

C4090-452 dernières questions d'examen certification IBM et réponses publiés

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Code d'Examen: C4090-452
Nom d'Examen: IBM (IBM Storwize V7000 Technical Solutions V2)
Questions et réponses: 74 Q&As

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NO.1 Customer requirements show only iSCSI and CIFS access will be required for a Storwize V7000
Unified solution. How many Fibre Channel ports will be utilized on the control enclosures?
A. 0
B. 2
C. 4
D. 8
Answer: C

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NO.2 What are two advantages of implementing Tivoli Storage FlashCopy Manager with Storwize
V7000 in a customer’s VMware environment? (Select two)
A. Migrate underutilized virtual machine images to lower tier storage
B. Software snapshots are deleted from primary datastore to help preserve space
C. Hardware snapshots can be utilized for virtual machine recovery and virtual volume restore
D. Tivoli Storage FlashCopy Manager uses vCenter APIs to integrate with Tivoli Storage Manager
for long term retention
E. Further storage reduction by moving VMDK files to a Tivoli Storage Productivity Center storage
pool for long term retention
Answer: B,C

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NO.3 What is the preferred replication method that could achieve best application performance
with
reduced network requirements host performance that is independent of the replication, and RPO
higher (with default of 10 minutes)?
A. Metro Mirror
B. Global Mirror
C. Global Mirror with Change Volumes
D. SAN Volume Controller Split cluster
Answer: C

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NO.4 What is the IBM System Storage Easy Tier mode that is enabled for a storage pool with a single
tier of storage to collect usage statistics only for all the volumes in the pool?
A. Monitor
B. Easy tier
C. Automatic
D. Evaluation
Answer: D

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NO.5 Storwize V7000 volume mirroring creates more resilience in which of the following methods?
A. Creates two copies of a storage pool
B. Mirror a volume between two separate Storwize V7000 systems
C. Allows both controller nodes to provide simultaneous read access
D. Migrates volumes between storage pools that have different extent sizes
Answer: D

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NO.6 In the Storwize V7000.,what is the Node Canister?
A. A group of 5 drives
B. The controller ERU
C. The power supply/fan ERU
D. Disk expansion interconnect ERU
Answer: B

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NO.7 What statement is true regarding Snapshots in a Storwize V7000 Unified NFS environment?
A. Snapshots are space-efficient and writeable.
B. Snapshots use a dedicated/reserved Snapshot area.
C. Snapshots are space-efficient and use Copy-on-write.
D. Snapshots are space-efficient and use Redirect-on-write.
Answer: D

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NO.8 During a demonstration, the technical specialist was asked to configure performance
monitoring
data collection for a Storwize V7000.
How should the technical specialist respond?
A. Basic performance monitoring is automatic, no configuration is necessary
B. Basic performance monitoring is only available through the mobile dashboard
C. Tivoli Storage Productivity Center is required to perform basic performance monitoring
D. Basic performance monitoring is automatic on the Storwize V7000 and detailed performance
monitoring is automatic on the Storwize V7000 Unified
Answer: A

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NO.9 Describe the key competitive advantage of IBM integrated Real-time Compression (RtC) over
EMC and HP compression technology.
A. Operates on active primary data
B. Achieves up to 40% better compression rates
C. Provides up to 200% performance improvement
D. Supports faster and more efficient data copies for online backup
Answer: A

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NO.10 A customer is considering the replication of data between two Storwize V7000 systems using
an
existing, shared inter- site link. The technical specialist has been requested to investigate whether
or not this proposal is viable.
To begin the assessment what information should the specialist request for this opportunity?
A. The Recovery Point Objective and the application(s)
B. The application(s) and the amount of data to be replicated
C. The capacity of the inter-site link and the distance between sites
D. The amount of peak change data to be replicated and the capacity of the inter-site link
Answer: D

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