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Hitachi HAT-420 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|
| Topic 1: Maintenance and Troubleshooting | 20% | - Component replacement procedures
- Backup and recovery operations
- Firmware and software updates
- Error diagnosis and resolution
|
| Topic 2: Installation and Setup | 25% | - Initial configuration and setup
- Site preparation and requirements
- Storage Navigator Modular 2 usage
- Physical installation and cabling
|
| Topic 3: Modular Storage Architecture | 20% | - System software overview
- Drive enclosures and connectivity
- Controller and cache architecture
- Hardware components and specifications
|
| Topic 4: Configuration and Management | 25% | - System monitoring and reporting
- Host connectivity and storage provisioning
- User management and security
- RAID groups and logical volumes
|
| Topic 5: Data Protection and Advanced Features | 10% | - Replication and migration technologies
- Performance optimization
- Snapshot and cloning functions
|
Hitachi Data Systems Certified Professional - Modular storage installation Sample Questions:
What is a key characteristic of the Modular Volume Migration feature on a Hitachi Unified Storage (HUS)
system?
- A. It migrates volumes between HUS systems.
- B. It migrates volumes within the same RAID group.
- C. It uses the Copy-on-Write Snapshot engine.
- D. It migrates volumes within a HUS system.
Reveal Solution
Discussion
Which two operations can be performed using Storage Navigator Modular 2 on a Hitachi Unified Storage
system? (Choose two.)
- A. Create Logical Units.
- B. Set persistent binding.
- C. Run the Initial Setup Wizard.
- D. Display Disk Management properties.
Reveal Solution
Discussion
What are two advantages of the Memory Management Layer (MML) in Hitachi Unified Storage systems?
(Choose two.)
- A. Copy-on-Write Snapshot and TrueCopy Extended Distance no longer require a data pool for
differential data.
- B. LU quick and normal format speeds are increased.
- C. Metada for MML-supported functions is copied to cache only when needed for processing.
- D. The DM-LU size is automatically adjusted depending upon the number of copy pairs.
Reveal Solution
Discussion
On which level can Host Group Security be enabled on a Hitachi Unified Storage system?
- A. the individual LU level
- B. the Host Group level
- C. the FC port level
- D. the iSCSI port level
Reveal Solution
Discussion
Which method is used by Hitachi Unified Storage (HUS) systems to protect against loss of data in cache
should a total power failure occur?
- A. The HUS mirrors all cache writes to on-board SSD drives.
- B. The HUS uses non-volatile cache so data is always protected.
- C. The battery power de-stages data in cache to on-board Flash memory.
- D. The battery power de-stages data in cache to an on-board SSD drive.
Reveal Solution
Discussion
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