Study with HAT-420 Actual Test Questions
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Updated: Jul 28, 2026
No. of Questions: 110 Questions & Answers with Testing Engine
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Hitachi HAT-420 Exam Overview:
| Certification Vendor: | Hitachi Data Systems |
| Exam Name: | Hitachi Data Systems Certified Professional - Modular Storage Installation |
| Exam Number: | HAT-420 |
| Available Languages: | English |
| Related Certifications: | Hitachi Data Systems Certified Professional |
| Sample Questions: | Hitachi HAT-420 Sample Questions |
| Exam Way: | Typically delivered through authorized Hitachi certification testing channels (onsite or online availability depends on the certification program and region). |
| Pre Condition: | No official prerequisite publicly specified; experience with Hitachi modular storage installation and administration is recommended. |
| Official Syllabus URL: | https://www.hitachivantara.com/en-us/services/learning/certifications |
Hitachi HAT-420 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Management and Administration | - System management
|
| Modular Storage Architecture | - Storage system components
|
| Storage Configuration | - Logical configuration
|
| Installation Planning | - Site preparation
|
| Data Protection and Performance | - Availability and optimization
|
| Connectivity and Host Integration | - Front-end connectivity
|
| Hardware Installation | - Physical deployment
|
| Troubleshooting | - Problem diagnosis
|
Hitachi Data Systems Certified Professional - Modular storage installation Sample Questions:
1. 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 they need to configure Device Mapper for the newly allocated LUNs.
B) That they should shut down the server right away and that you will allocate five new LUNs.
C) That the message is normal for new LUN allocations and that they just need to label the new partitions.
D) That the Master Boot Record (MBR) on one of the disks has become corrupt and that rebooting the
host should fix the issue.
2. A customer has requested your help to find out where a Hitachi Unified Storage (HUS) system's FC port
0 A connects into their SAN. How can you find this information?
A) Use the SNM2 Advanced Settings to determine the WWPN of the switch port.
B) Use the switch name server to find the HUS WWPN.
C) Use the HUS Web tool to report the switch WWN and port number.
D) Use Device Manager to determine where the HUS port is connected to.
3. Why will a server in an environment using persistent binding maintain a constant view of its target IDs
when rebooted?
A) Because persistent binding retains the target ID information.
B) Because the driver software remaps the SCSI target ID to the new WWNNs automatically.
C) Because persistent binding will connect to the LU Manager and provide the target IDs.
D) Because the LU Management Service will manage the target IDs.
4. A customer is planning to deploy the Hitachi Command Suite (HCS) in an existing production environment
that includes several Hitachi Unified Storage (HUS) systems with the File Module option. Which two
advantages does HCS have over Storage Navigator Modular 2? (Choose two.)
A) ability to manage multiple HUS systems
B) cross-platform management for both file and block
C) ability to upgrade microcode non-disruptively
D) agent-less discovery of hosts
5. How should the Hitachi Unified Storage systems dual power supplies be connected?
A) by adjacent sockets on a single power distribution unit
B) by FS6 circuits breakers
C) only one should be connected, the other being standby
D) by two independent and appropriately rated power distribution units
Solutions:
| Question # 1 Answer: C | Question # 2 Answer: B | Question # 3 Answer: A | Question # 4 Answer: B,D | Question # 5 Answer: D |
Happy! I checked my email minutes ago, and there it was.. Congratulations email from Hitachi!
By Ziv
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By Mirabelle
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