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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: 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 3: Installation and Configuration- System configuration
                  • 1. Storage pool configuration
                    • 2. LUN provisioning
                      - Initial system setup
                      • 1. Pre-installation requirements
                        • 2. Physical installation procedures
                          Topic 4: Storage Networking- SAN connectivity
                          • 1. Zoning and masking
                            • 2. Fibre Channel concepts
                              - Host integration
                              • 1. Multipathing configuration
                                • 2. Host attachment procedures

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

                                  Question 1

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

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


                                  Question 2

                                  Which two Hitachi Dynamic Link Manager documents provide detailed information of supported Fibre
                                  Channel HBA drivers? (Choose two.)

                                  A. Hitachi Dynamic Link Manager for Operating Systems User's Guide
                                  B. Hitachi Dynamic Link Manager Concepts and Planning Guide
                                  C. Hitachi Engineering Change Notice (ECN)
                                  D. Hitachi Dynamic Link Manager Release Notes


                                  Question 3

                                  Why will a server in an environment using persistent binding maintain a constant view of its target IDs
                                  when rebooted?

                                  A. Because the driver software remaps the SCSI target ID to the new WWNNs automatically.
                                  B. Because persistent binding will connect to the LU Manager and provide the target IDs.
                                  C. Because persistent binding retains the target ID information.
                                  D. Because the LU Management Service will manage the target IDs.


                                  Question 4

                                  Which two resources should be reviewed before installation and maintenance operations? (Choose two.)

                                  A. HDS Storflash Bulletins
                                  B. HDS Engineering Change Notices (ECNs)
                                  C. HDS Technical White Papers
                                  D. HDS Maintenance Manuals


                                  Question 5

                                  You are installing the latest release of Hitachi Device Manager and Tuning Manager on different servers
                                  to support your Hitachi Unified Storage (HUS) environment. Which two statements are correct in regards
                                  to establishing communication between servers? (Choose two.)

                                  A. The servers' system clocks must be synchronized with less than 5 minutes difference.
                                  B. The servers use IPv4 protocol to communicate.
                                  C. The servers use a heartbeat poll over a dedicated management IP link.
                                  D. The servers communicate in-band over FC connections to the HUS.


                                  Solutions:

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

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