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Hitachi HAT-420 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Data Protection and Advanced Features | 10% | - Replication and migration technologies - Snapshot and cloning functions - Performance optimization |
| Topic 2: Modular Storage Architecture | 20% | - Controller and cache architecture - System software overview - Drive enclosures and connectivity - Hardware components and specifications |
| Topic 3: Installation and Setup | 25% | - Site preparation and requirements - Physical installation and cabling - Storage Navigator Modular 2 usage - Initial configuration and setup |
| Topic 4: Maintenance and Troubleshooting | 20% | - Component replacement procedures - Error diagnosis and resolution - Firmware and software updates - Backup and recovery operations |
| Topic 5: 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 allows firmware to be updated non-disruptively on the Hitachi Unified Storage systems?
- A. Firmware updates only affect the first five drives and no controller reboot is required.
- B. While one controller is rebooting, the other handles all host operations.
- C. Host connectivity to both controllers established using multi-pathing software.
- D. Firmware updates are performed in less than the host I/O timeout value.
Correct Answer: B 🗳️
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. Release the first LU from a unified LUN.
- C. Grow a LUN by adding free space from any RAID Group.
- D. Add additional LUs to an existing LUN.
Correct Answer: A,D 🗳️
Which two self-service resources would you use if you require installation assistance? (Choose two.)
- A. Hitachi Data Systems product documentation
- B. Hitachi Data Systems Installation Service Manager
- C. Hitachi Data Systems InfoSearch database
- D. Hitachi Data Systems Support Portal
Correct Answer: A,D 🗳️
After the removal of a failed disk drive on a Hitachi Unified Storage system, how long should you wait
before inserting a new drive?
- A. no need to wait
- B. more than 20 seconds
- C. more than 10 seconds
- D. more than 5 seconds
Correct Answer: B 🗳️
What are two effects of persistent binding? (Choose two.)
- A. Persistent binding guarantees that target assignments are preserved between reboots.
- B. Persistent binding can speed up the server boot process.
- C. Persistent binding guarantees Command Device security.
- D. Persistent binding can speed up path failover.
Correct Answer: A,B 🗳️
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