최신 HCE-3700 무료덤프 - Hitachi Vantara Certified Expert

문제1

Response times in an HDP pool have been increasing consistently with each additional workload during a large scale migration. The response times may become unacceptable with subsequent migrations. The purchase of additional equipment is an acceptable solution. What are two valid actions in this scenario?
(Choose two.)

A. Increase the pool free space and alert thresholds to the maximum permitted levels.

B. Apply the SOM to provide tier property information that assesses suitability for HDT and deployment of flash.

C. Use more, smaller, pool LDEVs per parity group to improve the efficiency and utilization of the queues.

D. Expand the pool with volumes from new parity groups to reduce utilization levels.

정답: A,B

문제2

A 10K RPM Small Form Factor 600 GB disk drive has a 3 ms average rotational latency and a 4 ms average seek time. How many random read IOPS would you expect from a 4D+4D RAID group using these drives before any consideration for cache hits or queuing optimization benefits?

A. approximately 2,280 IOPS

B. approximately 570 IOPS

C. approximately 1,140 IOPS

D. approximately 1,530 IOPS

정답: A

문제3

A customer plans to migrate an interactive application from a VSP to VSP G1000. The application has consistent access across all its capacity with low hit rates and no particularly high I/O access areas. The application latency must be less or equal to 1.5 ms.
Which configuration do you recommend to satisfy the requirements?

A. an HDT pool consisting of SAS 10K and FMD drives

B. an HDP pool with FMD drives

C. an HDP pool consisting of NL-SAS and FMD drives

D. an HDP pool consisting of external LDEVs provisioned on a VSP F400 system

정답: A

문제4

Which two statements are true regarding HDP pools? (Choose two.)

A. Using the largest possible pools is a recommended practice.

B. Exposure to failure and recovery from failure must be considered when recommending the maximum size of a pool.

C. Tier migration is based on performance and space capacity.

D. HDP pools can be used for sizing HDT pools.

정답: A,D

문제5

For which two purposes is the SVP Performance Monitor suitable? (Choose two.)

A. Real time observations

B. A reference for verifying the accuracy of other performance tools

C. Annual trend analysis

D. Reporting by device owner

정답: A,C

문제6

Which two statements are true about the Active Flash feature on the VSP Midrange? (Choose two.)

A. The Active Flash feature can be enabled on any HDP pool as long as the pool is comprised of SSD or FMD drives.

B. The Active Flash feature can be enabled on any HDT pool as long as Tier 1 of the Dynamic Tiering pool is composed of SSD or FMD drives.

C. The Active Flash feature of Hitachi Dynamic Tiering monitors page access frequency in real-time, and immediately promotes pages that suddenly become busy.

D. The Active Flash feature of Hitachi Dynamic Tiering monitors page access frequency in real-time, and promotes pages based on a predefined schedule.

정답: B,C

설명: (DumpTOP 회원만 볼 수 있음)

최신 HCE-3700 무료덤프 - Hitachi Vantara Certified Expert - Performance architect

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