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Hitachi Hitachi Data Systems Certification HH0-220

HH0-220

Exam Code: HH0-220

Exam Name: HDS Certified Implmenter-Modular

Updated: Sep 28, 2026

Q & A: 109 Questions and Answers

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Hitachi HH0-220 Exam Syllabus Topics:

SectionObjectives
Data Protection and Replication- Backup and replication technologies
  • 1. Remote replication concepts
    • 2. Snapshot and clone management
      Installation, Configuration, and Initial Setup- System deployment and configuration
      • 1. Initial system setup and initialization
        • 2. Storage pool and array configuration
          Storage Provisioning and Data Management- LUN and volume management
          • 1. Capacity allocation and optimization
            • 2. Host mapping and access control
              Hitachi Storage Architecture and Modular Systems- Hitachi modular storage architecture overview
              • 1. System components and hardware architecture
                • 2. Storage virtualization concepts
                  Troubleshooting and Maintenance- System monitoring and diagnostics
                  • 1. Performance monitoring and tuning
                    • 2. Fault isolation and resolution

                      Hitachi HDS Certified Implmenter-Modular Sample Questions:

                      Question #1
                      You have just allocated four 3TB LUNs from a Hitachi Unified Storage System to a set of ESX 4.x servers. The VMware administrator can see volumes that are assigned to the servers from an older storage array, but not the volumes you have just allocated. What is the most likely cause?

                      A. This a newer storage array with an older version of ESX so the HBA drivers need to be updated.
                      B. The FC switch ports need to be disabled/enabled to force the HBAs to re-login to the fabric.
                      C. The rescan function in VMware is not working, so both servers need to be rebooted.
                      D. ESX 4.x servers cannot recognize volumes that are 2TB or larger.


                      Question #2
                      How should the Hitachi Unified Storage systems dual power supplies be connected?

                      A. by two independent and appropriately rated power distribution units
                      B. only one should be connected, the other being standby
                      C. by adjacent sockets on a single power distribution unit
                      D. by FS6 circuits breakers


                      Question #3
                      A customer would like to deploy a clustered File Module option on their Hitachi Unified Storage system. What is a valid connection for the cluster interconnect?

                      A. 10Gb Ethernet
                      B. 16Gb Fibre Channel
                      C. 1Gb Ethernet
                      D. 8Gb Fibre Channel


                      Question #4
                      Which two Program Products reserve cache in a Hitachi Unified Storage system when they are installed, even if disabled? (Choose two.)

                      A. Cache Partioning Manager
                      B. ShadowImage
                      C. TrueCopy
                      D. TrueCopy Extended


                      Question #5
                      What are the two bitmap locations used by the Memory Management Layer during LU format in Hitachi Unified Storage systems? (Choose two.)

                      A. SSD on the Cache Memory Adapter
                      B. in the RAID group upon creation
                      C. swapped in and out of cache as needed
                      D. in Cache Memory Adapter Master Partition 0


                      Solutions:

                      Question #1
                      Correct Answer: D
                      Question #2
                      Correct Answer: A
                      Question #3
                      Correct Answer: A
                      Question #4
                      Correct Answer: A,D
                      Question #5
                      Correct Answer: B,C

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