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Hitachi HAT-420 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Installation and Setup | 25% | - Initial configuration and setup - Site preparation and requirements - Physical installation and cabling - Storage Navigator Modular 2 usage |
| Modular Storage Architecture | 20% | - Hardware components and specifications - System software overview - Drive enclosures and connectivity - Controller and cache architecture |
| Configuration and Management | 25% | - User management and security - System monitoring and reporting - Host connectivity and storage provisioning - RAID groups and logical volumes |
| Maintenance and Troubleshooting | 20% | - Component replacement procedures - Firmware and software updates - Error diagnosis and resolution - Backup and recovery operations |
| Data Protection and Advanced Features | 10% | - Performance optimization - Replication and migration technologies - Snapshot and cloning functions |
Hitachi Data Systems Certified Professional - Modular storage installation Sample Questions:
Which two Program Products reserve cache in a Hitachi Unified Storage system when they are installed,
even if disabled? (Choose two.)
- A. TrueCopy Extended
- B. TrueCopy
- C. Cache Partioning Manager
- D. ShadowImage
Correct Answer: A,C 🗳️
A customer has installed a Hitachi Unified Storage (HUS) system with only port 0A connected to a Linux
server. There is a video streaming application running on the server. You have to perform a firmware
update using SNM2. What will happen when the update is started?
- A. The Linux server will time-out because there is no alternate path.
- B. The Linux application will continue to function non-disruptively.
- C. The firmware update will fail because the HUS active/active controller feature checks for alternate
pathing. - D. The firmware update process will abort if the HUS does not have at least 5 seconds of no I/O activity on
port 0A within 5 minutes.
Correct Answer: B 🗳️
Which two statements relating to the online firmware upgrade are true for Hitachi Unified Storage systems?
(Choose two.)
- A. Only the HUS model 150 storage system supports online firmware upgrades.
- B. All hosts must have multiple paths to the HUS when performing online firmware upgrades.
- C. Online firmware upgrades can only be done using Storage Navigator Modular 2.
- D. Online firmware upgrades should not be scheduled for periods of high CPU workload.
Correct Answer: C,D 🗳️
A customer has received a Hitachi Dynamic Provisioning Early Alert warning by e-mail indicating that the
default threshold has been reached on a Hitachi Unified Storage (HUS) system. What does this warning
indicate?
- A. The HUS has projected that the DP pool will be used up within 24 hours.
- B. DP-Vols have used over 40% of the DP pool capacity.
- C. The HUS has automatically added another free RAID Group to the DP pool.
- D. DP-Vols are provisioned over 200% of the DP pool capacity.
Correct Answer: B 🗳️
Which command would you use to map an LU from a Hitachi Unified Storage system?
- A. aumaplu
- B. aulumap
- C. ausgmap
- D. auhgmap
Correct Answer: D 🗳️
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