最新Hitachi Architect - Expert HCE-3700考試題庫，Hitachi HCE-3700課程的擬真試題下載

問題1
You need to run a benchmark test to verify the performance of a new multi-user database storage implementation before loading the real data.
What are three features you will need in the benchmark/workload generator to accomplish this task? (Choose three.)

A. variation of thread count

B. variation of HBA queue depth

C. variation of RAID level

D. variation of sequential and random access

E. variation of read and write

正確答案: B,C,E

問題2
A mission critical SQL server application that resides in a three-tier HDT pool is showing response time spikes that may be related to I/O activity.
Which three Hitachi Tuning Manager reports would you use to determine the problem? (Choose three.)

A. IOPS by parity group

B. IOPS by pool

C. IOPS by tier

D. IOPS by dataset.

E. IOPS by V-Vol

正確答案: A,B,C

問題3
You are sizing a storage system for a response-sensitive database application in a VMware environment.
Which two statements are true in this scenario? (Choose two.)

A. The peak load requirements of the database and filesystem is a key factor in determining the resources required to meet response time requirements.

B. The cache hit percentage is determined primarily by the amount of cache provided by the storage system.

C. Sizing estimations for a database workload should be based on a steady state and then an extra 10% resources for headroom should be added.

D. The server virtualization will change the I/O profile of the application as viewed by the storage.

正確答案: A,D

問題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.)

A. Add more cache to the enterprise storage system.

B. Address the throughput constraints in the external storage.

C. Add more cache in the external storage.

D. Quarantine the LUNs in a separate cache partition.

E. Set Cache Mode to "Disabled" for the external LUNs.

正確答案: A,C,E

問題5
Which three statements are true regarding the Hitachi external storage architecture? (Choose three.)

A. Enabling Cache Mode allows destaging asynchronously from host I/O.

B. Enabling Cache Mode increases exposure to problems with high Cache Write Pending.

C. Enabling Cache Mode always improves performance.

D. Disabling Cache Mode for an external LDEV eliminates the use of cache.

E. A System Option mode can force in sequence destaging even when destaging asynchronously.

正確答案: A,B,E

問題6
On a VSP G1000, the maximum I/O Request Limit for an external initiator port has been exceeded. What are two consequences of this activity? (Choose two.)

A. The host will not be able to process new I/O requests.

B. New writes will back up into the VSP G1000 cache.

C. The host will see a minor change in response times.

D. The host will see rapidly rising response times per request.

正確答案: A,C

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