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Hitachi HAT-420 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Configuration and Management | 25% | - System monitoring and reporting - User management and security - RAID groups and logical volumes - Host connectivity and storage provisioning |
| Modular Storage Architecture | 20% | - Hardware components and specifications - System software overview - Controller and cache architecture - Drive enclosures and connectivity |
| Maintenance and Troubleshooting | 20% | - Component replacement procedures - Backup and recovery operations - Error diagnosis and resolution - Firmware and software updates |
| Data Protection and Advanced Features | 10% | - Replication and migration technologies - Performance optimization - Snapshot and cloning functions |
| Installation and Setup | 25% | - Storage Navigator Modular 2 usage - Physical installation and cabling - Initial configuration and setup - Site preparation and requirements |
Hitachi Data Systems Certified Professional - Modular storage installation Sample Questions:
What is the correct procedure to replace a suspected SAS interface cable connected to the last drive box
(DBL) of a Hitachi Unified Storage system?
- A. Using SNM2, disable the suspected SAS link, replace the cable and enable the SAS link.
- B. Using the WEB tool, disable the suspected SAS link, replace the cable and enable the SAS link.
- C. Slide out the I/O module from the DBL, replace the cable and slide the I/O module back in.
- D. Replace the suspected SAS interface cable by a new one.
Correct Answer: C 🗳️
What describes the characteristics of external backup solutions supported by the Hitachi Unified Storage
System (HUS) File Module option?
- A. The HUS File Module only backs up to direct attached tape drives.
- B. The HUS File Module uses Network Data Management Protocol (NDMP).
- C. The HUS File Module uses file system snapshot technology.
- D. The HUS File Module relies on the User Datagram Protocol (UDP) with CRC enabled.
Correct Answer: B 🗳️
A customer wants to migrate data from existing modular storage arrays to a newly acquired Hitachi
Unified Storage system. To prepare for the storage migration, you have been asked to collect operation
data that encompasses multiple storage systems and their attached hosts. Which tool would you use?
- A. auperfmon
- B. SE Console
- C. raidcom
- D. HiPAST
Correct Answer: B 🗳️
Which three steps must be completed to enable secure access to LUs? (Choose three.)
- A. Add host WWNs to the Host Group.
- B. Set Multi-path Mode.
- C. Map LUs to the Host Group.
- D. Enable Host Group security.
- E. Add Fibre Channel ports.
Correct Answer: A,C,D 🗳️
Your Hitachi Unified Storage (HUS) customer uses the latest release of Hitachi Command Suite (HCS)
products, Device Manager and Tuning Manager. Which tab in the HCS main view is available to your
customer for viewing HUS system performance data?
- A. Analytics
- B. Metrics
- C. Performance
- D. Monitor
Correct Answer: A 🗳️




