Download Hitachi Vantara Certified Expert – Performance architect.HCE-3700.SelfTestEngine.2018-11-08.27q.vcex

Vendor: Hitachi
Exam Code: HCE-3700
Exam Name: Hitachi Vantara Certified Expert – Performance architect
Date: Nov 08, 2018
File Size: 20 KB
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Demo Questions

Question 1
In a VSP G200 system, what are two advantages of RAID 1+0 compared to RAID 5/6 for random write workloads? (Choose two.) 
  1. RAID 1+0 provides more useable capacity per for the same number of drives.
  2. RAID 1+0 has less processing overhead.
  3. Disk virtualization is lower.
  4. RAID 1+0 has more efficient pre-fetch operation.
Correct answer: AC
Question 2
Which two statements are true about the Active Flash feature on the VSP Midrange? (Choose two.)
  1. The Active Flash feature of Hitachi Dynamic Tiering monitors page access frequency in real-time, and immediately promotes pages that suddenly become busy.
  2. 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.
  3. The Active Flash feature can be enabled on any HDP pool as long as the pool is comprised of SSD or FMD drives.
  4. The Active Flash feature of Hitachi Dynamic Tiering monitors page access frequency in real-time, and promotes pages based on a predefined schedule.
Correct answer: AB
Explanation:
References:https://knowledge.hitachivantara.com/Documents/Management_Software/SVOS/8.2/Volume_Management_-_VSP_G1x00%2C_F1500/Tiered_Storage/02_About_active_flash
References:
https://knowledge.hitachivantara.com/Documents/Management_Software/SVOS/8.2/Volume_Management_-_VSP_G1x00%2C_F1500/Tiered_Storage/02_About_active_flash
Question 3
You are partitioning a VSP G1000 with eight VSDs and 1024 GB cache, and are creating an 80 GB CLPR.  
In this scenario, how much cache does each VSD blade initially reference in the CLPR?
  1. 10 GB
  2. 80 GB
  3. 640 GB
  4. 1024 GB
Correct answer: D
Explanation:
References:https://support.hitachivantara.com/download/epcra/rd80124.pdf
References:
https://support.hitachivantara.com/download/epcra/rd80124.pdf
Question 4
You are sizing a VSP G4000 for a customer who requires good performance but has a very limited budget. You now must select a cache size between 64 GB and 128 GB.  
Which three conditions will affect your selection in this situation? (Choose three.)
  1. The customer plans to use Cache Logical Partitions (CLPRs)
  2. The customer environment is mainly VMware.
  3. The number of LDEVs that are available.
  4. The customer will use ShadowImage.
  5. The number of connected hosts.
Correct answer: ACE
Explanation:
Question 5
A customer using a small block interactive workload on a VSP G200 complains about poor application performance. They use an FC SAN which consists of 8 Gbps and 16 Gbps FC switches.  
What are two causes of the performance issue? (Choose two.)
  1. Front-end ports of the VSP G200 are connected to the 8 Gbps FC switch.
  2. The front-end FC ports are used by another bandwidth-intensive application.
  3. The host HBA has an insufficient queue depth setting.
  4. The multi-pathing software uses round robin balancing algorithm.
Correct answer: BC
Question 6
You are designing a VSP G1000 solution for a customer and you need to determine the appropriate disk type and RAID level. What information do you need to design the solution? (Choose three.)
  1. type of workloads
  2. workloads read-write ratio
  3. operating systems used in the environment
  4. fan-in and fan-out ratios
  5. expected I/O rates
Correct answer: ABE
Question 7
A customer is considering buying a new VSP Midrange system with iSCSI front-ends. The system will be used to support existing Oracle databases and a new MS Exchange mail system. The existing customer’s LAN has enough resources to handle the iSCSI traffic. They have provided the required storage for Oracle and MS Exchange.  
What I/O profile information is required to size the VSP system in this scenario? (Choose two.)
  1. transactions per second collected from the Oracle databases
  2. the planned amount of MS Exchange mailboxes and IOPS per user
  3. the planned amount of e-mails per second the MS Exchange system will send and receive
  4. IOPS and R/W ratio collected from the Oracle databases
Correct answer: BD
Question 8
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 9
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 10
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
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