Hitachi HAT-420 Valid Dumps - Hitachi Data Systems Certified Professional - Modular storage installation

Updated: Aug 20, 2026
Q & A: 110 Questions and Answers

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Hitachi HAT-420 Exam Syllabus Topics:

SectionObjectives
Installation Planning- Site preparation
  • 1. Hardware verification
  • 2. Rack and cabling preparation
  • 3. Power and environmental requirements
Modular Storage Architecture- Storage system components
  • 1. Disk enclosures and connectivity
  • 2. Cache and memory concepts
  • 3. Controller architecture
Connectivity and Host Integration- Front-end connectivity
  • 1. Host mapping and zoning
  • 2. iSCSI and Ethernet connectivity
  • 3. Fibre Channel configuration
Troubleshooting- Problem diagnosis
  • 1. System log analysis
  • 2. Connectivity troubleshooting
  • 3. Hardware fault identification
Management and Administration- System management
  • 1. Firmware and licensing
  • 2. Management utilities
  • 3. Monitoring and maintenance
Storage Configuration- Logical configuration
  • 1. RAID configuration
  • 2. Storage pool creation
  • 3. Logical unit provisioning
Data Protection and Performance- Availability and optimization
  • 1. Redundancy and failover
  • 2. Performance optimization
  • 3. Storage best practices
Hardware Installation- Physical deployment
  • 1. Controller installation
  • 2. Drive installation
  • 3. Expansion unit installation

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) Run the Initial Setup Wizard.
C) Display Disk Management properties.
D) Create Logical Units.


2. Which three operations are allowed after enabling security on a Hitachi Unified Storage system Fibre
Channel (FC) port? (Choose three.)

A) Add multiple WWNs to one Host Group.
B) Create Host Groups with different host connection modes on the same FC port.
C) Add a LU to two different Host Groups behind two different ports.
D) Create a Host Group with two different host connection modes.
E) Add the same WWN to multiple Host Groups on the same FC port.


3. Which three parameters must be set when adding a Cache Partition on a Hitachi Unified Storage system?
(Choose three.)

A) Controller
B) Logical Unit
C) Segment Size
D) Raid Group
E) Cache Size


4. 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 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.
C) The Linux application will continue to function non-disruptively.
D) The firmware update will fail because the HUS active/active controller feature checks for alternate
pathing.


5. Which two operations can be performed with the Web utility on a Hitachi Unified Storage system?
(Choose two.)

A) Take a simple trace.
B) Perform an online microcode update.
C) Install license keys.
D) Perform an offline microcode update.


Solutions:

Question # 1
Answer: B,D
Question # 2
Answer: A,B,C
Question # 3
Answer: A,C,E
Question # 4
Answer: C
Question # 5
Answer: A,D

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