Download Hitachi Vantara Certified Expert - Performance architect.HCE-3700.Lead2Pass.2018-10-08.34q.vcex

Vendor: Hitachi
Exam Code: HCE-3700
Exam Name: Hitachi Vantara Certified Expert - Performance architect
Date: Oct 08, 2018
File Size: 24 KB
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Question 1
Which two statements are true regarding HDP pools? (Choose two.)
  1. Using the largest possible pools is a recommended practice.
  2. Exposure to failure and recovery from failure must be considered when recommending the maximum size of a pool.
  3. HDP pools can be used for sizing HDT pools.
  4. Tier migration is based on performance and space capacity.
Correct answer: AC
Question 2
A VSP G800 HDT pool contains FMDs, NL-SAS drives, external storage with 15K 600 GB SAS drives, and external storage with 10K 900 GB SAS drives.  
Which tier level contains the NL-SAS drives in this configuration?
  1. 1
  2. 2
  3. 3
  4. 4
Correct answer: A
Question 3
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?
  1. an HDT pool consisting of SAS 10K and FMD drives
  2. an HDP pool with FMD drives
  3. an HDP pool consisting of NL-SAS and FMD drives
  4. an HDP pool consisting of external LDEVs provisioned on a VSP F400 system
Correct answer: A
Question 4
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?
  1. Put all of the databases in a single HDT pool.
  2. Put each database in its own HDT pool.
  3. Put databases with the same workload profile together in their own HDT pool.
  4. 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.
Correct answer: A
Question 5
Your VSP G1000 customer has an HDP pool with 600 GB drives and they need more IOPS in the pool. Which action will satisfy the requirement?
  1. Spread the pool over storage tiers.
  2. Add 1.2 TB drives to the pool.
  3. Add more 600 Gb drives of the same type.
  4. Create a new HDP pool.
Correct answer: A
Question 6
Your customer has an HDP pool dedicated to interactive production workloads. Which two applications are good candidates to share this HDP pool? (Choose two.)
  1. customer relationship management
  2. customer service call taking and dispatch
  3. software development
  4. backup repository
Correct answer: AC
Question 7
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.)
  1. Increase the pool free space and alert thresholds to the maximum permitted levels.
  2. Expand the pool with volumes from new parity groups to reduce utilization levels.
  3. Apply the SOM to provide tier property information that assesses suitability for HDT and deployment of flash.
  4. Use more, smaller, pool LDEVs per parity group to improve the efficiency and utilization of the queues.
Correct answer: AC
Question 8
A VSP G800 customer has one HDT pool with three tiers and they report a high frequency of relocations up and down between Tier 1 and Tier 2, affecting the HDT pool performance.  
Which two actions will help solve the issue? (Choose two.)
  1. Decrease the monitoring period of the HDT pool.
  2. Increase the size of the grey zone between Tier 1 and Tier 2.
  3. Change the HDT pool setting from Period mode to Continuous mode.
  4. Increase the size of Tier 2.
Correct answer: CD
Question 9
Immediately after migrating to a new HDT pool, Hitachi Tuning Manager shows that Tier 1 SSD, Tier 2 SAS, and Tier 3 NL-SAS are not busy for performance but Tier 1 and Tier 2 are over utilized for capacity. From this analysis, which action should be performed?
  1. Re-asses after HDT performs page migration cycles.
  2. Add more drives to Tier 1.
  3. Add more drives to Tier 1 and Tier 2.
  4. Remove the SSD tier.
Correct answer: C
Question 10
Relocation cycles are regulatory failing to complete in an HDT implementation where the customer is also reporting lower than expected performance.  
What should be done in this scenario?
  1. Change to Continuous mode and increase the monitor period cycle time.
  2. Change to Period mode and increase the monitor period cycle time.
  3. Change to Period mode and reduce the monitor period cycle time.
  4. Change to High-Performance mode and reduce the monitor period cycle time.
Correct answer: B
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