Exam Name: Hitachi Data Systems Certified Professional - Modular storage installation
Certification Provider: Hitachi
Corresponding Certification: Hitachi Data Systems Certification
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Updated: Oct 24, 2026
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Hitachi HAT-420 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Modular Storage Architecture | 20% | - System software overview - Controller and cache architecture - Hardware components and specifications - Drive enclosures and connectivity |
| Maintenance and Troubleshooting | 20% | - Error diagnosis and resolution - Component replacement procedures - Firmware and software updates - Backup and recovery operations |
| Installation and Setup | 25% | - Initial configuration and setup - Site preparation and requirements - Storage Navigator Modular 2 usage - Physical installation and cabling |
| Data Protection and Advanced Features | 10% | - Replication and migration technologies - Snapshot and cloning functions - Performance optimization |
| Configuration and Management | 25% | - RAID groups and logical volumes - User management and security - System monitoring and reporting - Host connectivity and storage provisioning |
Hitachi Data Systems Certified Professional - Modular storage installation Sample Questions:
What must be installed on an AIX server prior to Hitachi Dynamic Link Manager Installation?
- A. MPXIO
- B. Hitachi ODM
- C. HTnM agent
- D. HACMP
Correct Answer: B 🗳️
You are implementing a Hitachi Unified Storage File Module cluster with a single SMU. How do you run
the smu-config script?
- A. Connect an Ethernet cable and login as root.
- B. Connect an Ethernet cable and login as supervisor.
- C. Connect a serial null-modem cable and login as root.
- D. Connect a serial null-modem cable and login as supervisor.
Correct Answer: C 🗳️
You are using the Change Volume Capacity function of Storage Navigator Modular 2 (SNM2) to manage
a Hitachi Unified Storage (HUS) system. Hitachi Dynamic Provisioning is not used. Which two operations
can be performed? (Choose two.)
- A. Shrink a LUN by releasing space back to the RAID Group.
- B. Grow a LUN by adding free space from any RAID Group.
- C. Add additional LUs to an existing LUN.
- D. Release the first LU from a unified LUN.
Correct Answer: A,C 🗳️
Which two statements relating to Storage Navigator Modular 2 (SNM2) are correct? (Choose two.)
- A. SNM2 uses out-of-band communication to administer the system and in-band communication to
manage replication. - 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 allows you to change the IP address and port number used to communicate with the system.
Correct Answer: B,D 🗳️
You are connecting a Hitachi Unified Storage system to a FC SAN. Which topology setting should you
select?
- A. Loop
- B. Point-to-Point
- C. Fabric Point-to-Point
- D. Fabric
Correct Answer: B 🗳️
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