Hitachi HAT-420 valid exam dumps : Hitachi Data Systems Certified Professional - Modular storage installation

  • Exam Code: HAT-420
  • Exam Name: Hitachi Data Systems Certified Professional - Modular storage installation
  • Updated: Jul 26, 2026
  • Q&As: 110 Questions and Answers

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HAT-420 exam dumps

Hitachi HAT-420 Exam Syllabus Topics:

SectionObjectives
Installation and Configuration- System configuration
  • 1. Storage pool configuration
    • 2. LUN provisioning
      - Initial system setup
      • 1. Physical installation procedures
        • 2. Pre-installation requirements
          Maintenance and Troubleshooting- Problem resolution
          • 1. Common installation issues
            • 2. Hardware replacement procedures
              - Monitoring and diagnostics
              • 1. Event and log analysis
                • 2. Performance monitoring tools
                  Storage Networking- SAN connectivity
                  • 1. Fibre Channel concepts
                    • 2. Zoning and masking
                      - Host integration
                      • 1. Multipathing configuration
                        • 2. Host attachment procedures
                          Hitachi Modular Storage Architecture- Storage system components overview
                          • 1. Disk and RAID configurations
                            • 2. Controller and cache architecture
                              - System models and hardware overview
                              • 1. Hardware connectivity options
                                • 2. Modular storage product families

                                  Hitachi Data Systems Certified Professional - Modular storage installation Sample Questions:

                                  1. On a Hitachi Unified Storage system, which statement regarding Master Cache Partitions is correct?

                                  A) There is always a Master Cache Partition 0 in controller 0 and in controller 1.
                                  B) They always exist whether or not the Cache Partition ManagerLicensekey is installed.
                                  C) They do not exist until the Cache Partition ManagerLicensekey is installed.
                                  D) They always exist if there is 2GB or more of cache memory installed per controller.


                                  2. Which three access protocols are supported on the Hitachi Unified Storage File Module? (Choose three.)

                                  A) CIFS
                                  B) NCP
                                  C) FCOE
                                  D) iSCSI
                                  E) NFS


                                  3. You are upgrading a Hitachi Unified Storage (HUS) system with the File Module option. Which
                                  combination is required to support this upgrade?

                                  A) 10GbE connectivity between the HUS and the File Module plus the Hitachi BOS M software bundle
                                  B) FC connectivity between the HUS and the File Module plus the Hitachi BOS N software bundle
                                  C) FC connectivity between the HUS and the File Module plus the Hitachi BOS F software bundle
                                  D) FCoE connectivity between the HUS and the File Module plus the Hitachi BOS F software bundle


                                  4. Which method is used by Hitachi Unified Storage (HUS) systems to protect against loss of data in cache
                                  should a total power failure occur?

                                  A) The HUS mirrors all cache writes to on-board SSD drives.
                                  B) The battery power de-stages data in cache to on-board Flash memory.
                                  C) The HUS uses non-volatile cache so data is always protected.
                                  D) The battery power de-stages data in cache to an on-board SSD drive.


                                  5. You need to replace the Controller Unit and the ENC Unit online on a Hitachi Unified Storage system.
                                  Which statement is correct about online replacement times?

                                  A) both Controller Unit and ENC within 10 minutes each
                                  B) within 8 minutes for the Controller Unit and within 10 minutes for the ENC
                                  C) both Controller Unit and ENC within 8 minutes each
                                  D) within 10 minutes for the Controller Unit and within 8 minutes for the ENC


                                  Solutions:

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

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