HAT-420 exam dumps

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  • Exam Code: HAT-420
  • Exam Name: Hitachi Data Systems Certified Professional - Modular storage installation
  • No. of Questions: 110 Questions and Answers
  • Updated: Jul 16, 2026

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  • Total Questions: 110
  • Updated on: Jul 16, 2026
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  • Total Questions: 110
  • Updated on: Jul 16, 2026
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  • Total Questions: 110
  • Updated on: Jul 16, 2026
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Hitachi HAT-420 Exam Syllabus Topics:

SectionObjectives
Topic 1: Maintenance and Troubleshooting- Problem resolution
  • 1. Hardware replacement procedures
    • 2. Common installation issues
      - Monitoring and diagnostics
      • 1. Performance monitoring tools
        • 2. Event and log analysis
          Topic 2: Storage Networking- SAN connectivity
          • 1. Zoning and masking
            • 2. Fibre Channel concepts
              - Host integration
              • 1. Host attachment procedures
                • 2. Multipathing configuration
                  Topic 3: Hitachi Modular Storage Architecture- System models and hardware overview
                  • 1. Hardware connectivity options
                    • 2. Modular storage product families
                      - Storage system components overview
                      • 1. Controller and cache architecture
                        • 2. Disk and RAID configurations
                          Topic 4: Installation and Configuration- System configuration
                          • 1. Storage pool configuration
                            • 2. LUN provisioning
                              - Initial system setup
                              • 1. Physical installation procedures
                                • 2. Pre-installation requirements

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

                                  1. Which two apply when replacing a disk on a Hitachi Unified Storage (HUS) system? (Choose two.)

                                  A) A wrist strap must be used when replacing disk drives.
                                  B) The HUS needs to be in maintenance mode when disks are replaced.
                                  C) The Web tool should be used to confirm that the replacement is successful.
                                  D) The faulty drive must be blocked using SNM2 before replacement.


                                  2. Which three parameters must be set when adding a Cache Partition on a Hitachi Unified Storage system?
                                  (Choose three.)

                                  A) Raid Group
                                  B) Controller
                                  C) Segment Size
                                  D) Cache Size
                                  E) Logical Unit


                                  3. Which two statements relating to Storage Navigator Modular 2 (SNM2) are correct? (Choose two.)

                                  A) SNM2 allows you to change the IP address and port number used to communicate with the system.
                                  B) SNM2 can be used to define the Command Devices and the Differential Management LUNs needed by
                                  replication software.
                                  C) SNM2 issues SNMP alerts for failed components within the system.
                                  D) SNM2 uses out-of-band communication to administer the system and in-band communication to
                                  manage replication.


                                  4. A customer plans to start using Cache Partition Manager (CPM) on a Hitachi Unified Storage system.
                                  Which two statements regarding the installation and configuration of this Program Product are correct?
                                  (Choose two.)

                                  A) Configuring CPM requires a reboot.
                                  B) Adding the CPM license key does not require rebooting the system.
                                  C) Installation and configuration of CPM can be done online.
                                  D) Adding the CPM license key requires a reboot.


                                  5. When performing an initial installation of a Hitachi Unified Storage system, which management tool must
                                  be used to set the date and time?

                                  A) RAID Manager/CCI
                                  B) Web Tool
                                  C) Hitachi Command Suite
                                  D) Storage Navigator Modular 2


                                  Solutions:

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

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