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  5. Hitachi Vantara Certified Expert - Performance architect Questions and Answers
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HCE-3700 Hitachi Vantara Certified Expert - Performance architect Questions and Answers

Questions 4

A high level of writes to external storage is backing up into a VSP G1000 cache, creating a high write pending problem that is affecting other workloads.

Which three actions will help to minimize this problem? (Choose three.)

Options:

A.

Add more cache to the enterprise storage system.

B.

Add more cache in the external storage.

C.

Quarantine the LUNs in a separate cache partition.

D.

Set Cache Mode to “Disabled” for the external LUNs.

E.

Address the throughput constraints in the external storage.

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Questions 5

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?

Options:

A.

approximately 570 IOPS

B.

approximately 1,140 IOPS

C.

approximately 1,530 IOPS

D.

approximately 2,280 IOPS

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Questions 6

Which two conditions will cause high Cache Write Pending on a VSP G8000? (Choose two.)

Options:

A.

over-utilized external storage

B.

high port utilization

C.

inadequate WAN bandwidth for TrueCopy Asynchronous

D.

attempting to write to a RAID group at a rate beyond its ability

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Questions 7

A customer has several Oracle databases with different workload profiles residing on old HUS systems. The customer wants to consolidate workloads on a new VSP G800 system to increase database performance and to reduce costs. Which configuration would you use to accomplish this task?

Options:

A.

Put all of the databases in a single HDT pool.

B.

Put each database in its own HDT pool.

C.

Put databases with the same workload profile together in their own HDT pool.

D.

Put all database tablespaces and indexes in the first HDT pool, all redo logs in the second HDT pool, and all undo logs in a third HDT pool.

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Questions 8

Which two conditions are amplified by the use of longer data intervals for analysts? (Choose two.)

Options:

A.

There will be more arbitrary data loss when viewing on a typical computer screen.

B.

Analysis tools will require more processing time and computing resources.

C.

The peaks values reported will reflect interactive user experience less accurately.

D.

Analysis tools will require less processing time and computing resources.

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Questions 9

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

Options:

A.

The Active Flash feature of Hitachi Dynamic Tiering monitors page access frequency in real-time, and

immediately promotes pages that suddenly become busy.

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 can be enabled on any HDP pool as long as the pool is comprised of SSD or

FMD drives.

D.

The Active Flash feature of Hitachi Dynamic Tiering monitors page access frequency in real-time, and

promotes pages based on a predefined schedule.

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Exam Code: HCE-3700
Exam Name: Hitachi Vantara Certified Expert - Performance architect
Last Update: Nov 14, 2024
Questions: 60