Real Hitachi HAT-420 practice exam questions for easy pass!
Last Updated: Sep 07, 2026
No. of Questions: 110 Questions & Answers with Testing Engine
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| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Installation and Setup | 25% | - Physical installation and cabling - Site preparation and requirements - Initial configuration and setup - Storage Navigator Modular 2 usage |
| Topic 2: Maintenance and Troubleshooting | 20% | - Backup and recovery operations - Firmware and software updates - Error diagnosis and resolution - Component replacement procedures |
| Topic 3: Data Protection and Advanced Features | 10% | - Performance optimization - Snapshot and cloning functions - Replication and migration technologies |
| 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: Modular Storage Architecture | 20% | - Hardware components and specifications - System software overview - Controller and cache architecture - Drive enclosures and connectivity |
When implementing host access security for a LUN in a Hitachi Unified Storage system, to what is the
host WWN applied?
A customer would like to add the File Module option to their Hitachi Unified Storage (HUS) system to
provide files services. Which three types of connectivity are required from the File Module? (Choose
three.)
You have set Extended Round Robin on a server with intensive sequential I/O profile. Which two benefits
result from implementing this algorithm? (Choose two.)
Which two apply when replacing a disk on a Hitachi Unified Storage (HUS) system? (Choose two.)
Which two resources should be reviewed before installation and maintenance operations? (Choose two.)
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