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Updated: Sep 07, 2026
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Hitachi HAT-420 Exam Overview:
| Certification Vendor: | Hitachi Vantara |
|---|---|
| Exam Name: | Hitachi Data Systems Certified Professional - Modular Storage Installation (HAT-420) |
| Exam Number: | HAT-420 |
| Available Languages: | English |
| Exam Format: | Multiple choice |
| Recommended Training: | Hitachi Vantara Learning Services |
| Exam Registration: | Hitachi Vantara Training & Certification |
| Sample Questions: | Hitachi HAT-420 Sample Questions |
| Exam Way: | Not officially specified (varies by testing center; typically proctored exam delivery) |
| Official Syllabus URL: | https://www.hitachivantara.com/services/training-certification.html |
Hitachi HAT-420 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Installation and Configuration | - Initial system setup
|
| Maintenance and Troubleshooting | - Problem resolution
|
| Storage Networking | - SAN connectivity
|
| Hitachi Modular Storage Architecture | - Storage system components overview
|
Hitachi Data Systems Certified Professional - Modular storage installation Sample Questions:
Which two operations can be performed with the Web utility on a Hitachi Unified Storage system?
(Choose two.)
- A. Perform an offline microcode update.
- B. Perform an online microcode update.
- C. Install license keys.
- D. Take a simple trace.
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 Engineering Change Notice (ECN)
- C. Hitachi Dynamic Link Manager Concepts and Planning Guide
- D. Hitachi Dynamic Link Manager Release Notes
What are two characteristics of the Hitachi Unified Storage (HUS) controllers? (Choose two.)
- A. Mixing FC and iSCSI front-end ports is allowed on all models.
- B. The FC front-end ports offer improved sequential I/O performance.
- C. HUS models 110 and 130 are active/passive.
- D. The FC front-end ports automatically sense 1, 2, 4 and 8 Gbps.
What are three characteristics of the Hitachi Unified Storage systems active/active controller design?
(Choose three.)
- A. When creating a LUN the default controller must be selected.
- B. Workload is automatically balanced between controllers.
- C. The processor of Ctlr0 can access the Fibre Channel (FC) ports of Ctrl1.
- D. SNM2 GUI is used to turn on active/active controller processing.
- E. Non disruptive firmware upgrade is possible even if a host is connected by only one path.
You have to replace a Cache Backup Battery online on a Hitachi Unified Storage system. Which two
statements are correct? (Choose two.)
- A. When the power is turned off during the replacement, user data on the cache that has not been written
will be backed up to flash memory. - B. You must complete the replacement within a certain time frame.
- C. You should only perform the replacement while the green READY LED on the front of the Controller
Box is blinking at high speed. - D. You should not perform any replacement while the green READY LED on the front of the Controller
Box is blinking at high speed.
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