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Hitachi HAT-420 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Installation and Setup | 25% | - Initial configuration and setup - Physical installation and cabling - Storage Navigator Modular 2 usage - Site preparation and requirements |
| Configuration and Management | 25% | - System monitoring and reporting - Host connectivity and storage provisioning - User management and security - RAID groups and logical volumes |
| Maintenance and Troubleshooting | 20% | - Backup and recovery operations - Firmware and software updates - Error diagnosis and resolution - Component replacement procedures |
| Modular Storage Architecture | 20% | - Drive enclosures and connectivity - Hardware components and specifications - System software overview - Controller and cache architecture |
| Data Protection and Advanced Features | 10% | - Performance optimization - Snapshot and cloning functions - Replication and migration technologies |
Hitachi Data Systems Certified Professional - Modular storage installation Sample Questions:
1. Which two operations can be performed using Storage Navigator Modular 2 on a Hitachi Unified Storage
system? (Choose two.)
A) Set persistent binding.
B) Create Logical Units.
C) Run the Initial Setup Wizard.
D) Display Disk Management properties.
2. Yesterday you allocated five new LUNs for a Solaris 9 host. Today the Solaris administrator is concerned
about corrupt data because the host system log has several entries referencing the new LUNs with the
following message: "Corrupt label; wrong magic number". What do you tell the Solaris administrator?
A) That the message is normal for new LUN allocations and that they just need to label the new partitions.
B) That they need to configure Device Mapper for the newly allocated LUNs.
C) That they should shut down the server right away and that you will allocate five new LUNs.
D) That the Master Boot Record (MBR) on one of the disks has become corrupt and that rebooting the
host should fix the issue.
3. 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 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.
B) The firmware update will fail because the HUS active/active controller feature checks for alternate
pathing.
C) The Linux server will time-out because there is no alternate path.
D) The Linux application will continue to function non-disruptively.
4. What is the purpose of the System Assurance documentation?
A) to validate configuration changes for customers with a premium service contract
B) to guarantee that Hitachi Data Systems equipment is insured during transportation
C) to ensure accurate and complete record of pre-installation data
D) to inform a channel partner that equipment is available for shipment
5. What is Hitachi Data System's recommended practice for zoning?
A) port-based zoning
B) single operation system zoning (all HBAs from one OS in a zone)
C) zoning is optional
D) single HBA zoning (one HBA per zone)
Solutions:
| Question # 1 Answer: B,C | Question # 2 Answer: A | Question # 3 Answer: D | Question # 4 Answer: C | Question # 5 Answer: D |







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