최신 IBM Certified Specialist C4090-461 무료샘플문제:

1. A customer has storage systems from HP and EMC connected on its Fibre Channel network. They are for separate departments and the customer is considering a new system for the financialdepartment and a consolidation of the existing storage systems.
Which feature should the storage specialist emphasize on IBM Storwize V7000 to address this concern?

A) Thin provisioning
B) External virtualization
C) Real-time Compression
D) Easy Tier

2. Which RAID array type is generally implemented for applications that have a very heavy write ratio?

A) RAID 6
B) RAID 10
C) RAID 5
D) RAID 3

3. From a performance perspective, which metric is the most important aspect of the storage system for streaming video?

A) Latency
B) Capacity
C) Throughput
D) IOPS

4. A customer has an existing database maintained on an IBM Storwize maintained on an IBM Storwize V7000 storage system. New PRO objectives with multiple sample points are being requested. You recommend the IBM Storwize V7000 as it supports "FlashCopy Consistency Groups" which will potentially resolve this new business requirement.
How should you describe this feature to the customer?

A) It preserves point-in-time datawrite order across multiple volumes for applications that include related data which spans multiple volumes.
B) It has an asynchronous remote copy technique with change volumes replicates point-intime images on a cycling period. The default is 3000 seconds.
C) It performs the itracluster copying of a volume, in which both volumes belong to the same system and I/O Group within the system.
D) It has synchronous remote copy technique that ensures that writes are committed at both the master and auxiliary volumes before write completion is acknowledged to the host.

5. OpenStack Block Storage enables you to add extra block-level storage to which component?

A) OpenStack Object Storage
B) OpenStack System Architecture
C) OpenStack Identity Manager
D) OpenStack Compute Instances

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